Download Will Not Start

Troubleshooting
Drying Tumblers
Refer to Page 3 for Model Identification
HIGH
TEMP
START
LOW
TEMP
MED
TEMP
NO
HEAT
25 C
1
SELECT
TEMP
2
INSERT
COIN
3
PUSH
START
1
SELECT
TEMP
HIGH
TEMP
START
LOW
TEMP
MED
TEMP
2
INSERT
COIN
3
NO
HEAT
PUSH
START
25 C
T478C
T478C
T477C
T477C
Keep These Instructions for Future Reference.
(If this machine changes ownership, this manual must accompany machine.)
www.comlaundry.com
Part No. 70172201
November 2001
Table of
Contents
Introduction.........................................................................................
Model Identification .............................................................................
Theory of Operation of Instant Electronic Ignition ..............................
3
3
3
Safety Information..............................................................................
5
Cannot Perform Infrared (IR) Communication..............................
7
Coins Ignored When Entered ............................................................
9
Control Display ...................................................................................
Door Open Light “On” .........................................................................
No Visible Display – OPL Microprocessor Models.............................
No Visible Display – Power On ...........................................................
11
11
12
13
Will Not Start ......................................................................................
Electric..................................................................................................
Manual Timer...................................................................................
Rotary Coin Drop.............................................................................
Gas ........................................................................................................
Manual Timer...................................................................................
Rotary Coin Drop.............................................................................
Steam ....................................................................................................
Manual Timer...................................................................................
Rotary Coin Drop.............................................................................
15
15
15
16
18
18
19
21
21
22
Will Not Start/Continue Running ..................................................... 25
EDC Control ......................................................................................... 25
OPL Microprocessor Control ............................................................... 28
Will Not Run .......................................................................................
Electric..................................................................................................
Manual Timer...................................................................................
Rotary Coin Drop.............................................................................
Gas ........................................................................................................
Manual Timer...................................................................................
Rotary Coin Drop.............................................................................
Steam ....................................................................................................
Manual Timer...................................................................................
Rotary Coin Drop.............................................................................
31
31
31
34
37
37
39
41
41
43
Will Not Heat.......................................................................................
Electric..................................................................................................
Manual Timer...................................................................................
Rotary Coin Drop.............................................................................
Rotary Coin Drop (with and without time delay board) .................
Electric/Gas...........................................................................................
OPL Microprocessor ........................................................................
Gas ........................................................................................................
EDC Models.....................................................................................
Manual Timer...................................................................................
Rotary Coin Drop.............................................................................
45
45
45
47
49
51
51
54
54
56
58
© Copyright 2001, Alliance Laundry Systems LLC
All rights reserved. No part of the contents of this book may be reproduced or transmitted in any form or by any
means without the expressed written consent of the publisher.
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
1
Steam ....................................................................................................
EDC Models.....................................................................................
Manual Timer...................................................................................
OPL Microprocessor ........................................................................
Rotary Coin Drop.............................................................................
2
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
60
60
62
64
67
70172201
Introduction
Model Identification
Information in this manual is applicable to these tumbler models:
Gas
Steam/Thermal Oil
Electric
25 Pound
(220 Liter)
DC0220SFG
DC0220SRG
DT0220SFG
DT0220SRG
JC0220SFG
JC0220SRG
JT0220SFG
JT0220SRG
SC0220SFG
SC0220SRG
ST0220SFG
ST0220SRG
DC0220SSL
DT0220SSH
DT0220SSL
JC0220SSL
JT0220SSH
JT0220SSL
SC0220SSL
ST0220SSH
ST0220SSL
DC0220SEL
DT0220SEL
JC0220SEL
JT0220SEL
SC0220SEL
ST0220SEL
30 Pound
(270 Liter)
DC0270SFG
DC0270SRG
DT0270SFG
DT0270SRG
JC0270SFG
JC0270SRG
JT0270SFG
JT0270SRG
SC0270SFG
SC0270SRG
ST0270SFG
ST0270SRG
DC0270SSL
DT0270SSH
DT0270SSL
JC0270SSL
JT0270SSH
JT0270SSL
SC0270SSL
ST0270SSH
ST0270SSL
DC0270SEL
DT0270SEL
JC0270SEL
JT0270SEL
SC0270SEL
ST0270SEL
30 Pound
Stacked
(300 Liter)
DC0300DFG
DC0300DRG
DT0300DFG
DT0300DRG
JC0300DFG
JC0300DRG
JT0300DFG
JT0300DRG
NT0300DRG
SC0300DFG
SC0300DRG
ST0300DFG
ST0300DRG
DC0300DSL
DT0300DSH
DT0300DSL
JC0300DSL
JT0300DSH
JT0300DSL
SC0300DSL
ST0300DSH
ST0300DSL
DC0300DEL
DT0300DEL
JC0300DEL
JT0300DEL
SC0300DEL
ST0300DEL
35 Pound
(350 Liter)
AT0350SRG
DC0350SFG
DC0350SRG
DT0350SFG
DT0350SRG
JC0350SFG
JC0350SRG
JT0350SFG
JT0350SRG
SC0350SFG
SC0350SRG
ST0350SFG
ST0350SRG
AT0350SSL
DC0350SSL
DT0350SSH
DT0350SSL
JC0350SSL
JT0350SSH
JT0350SSL
SC0350SSL
ST0350SSH
ST3050SSL
DC0350SEL
DT0350SEL
JC0350SEL
JT0350SEL
SC0350SEL
ST0350SEL
Theory of Operation of Instant
Electronic Ignition
IMPORTANT: The Non-CE Marked Instant
Electronic Ignition system will attempt to light the
gas by sparking for approximately 15 seconds. If
gas ignition does not take place within
approximately 15 seconds, the Instant Electronic
Ignition control will go into safety lockout and the
valve will no longer open until Instant Electronic
Ignition control is reset. To reset Instant Electronic
Ignition control, remove power from control by
opening and closing the tumbler door. If condition
persists, check that the gas shut-off valve is in “on”
position and that the gas service is properly
connected.
70172201
If condition persists:
1. Check resistance of high tension lead
(approximately 1000 ohms/inch), and replace if
not within resistance range.
2. Check voltage present at valve.
3. Check that machine is properly grounded.
4. Check the gap between igniter and burner tube
(gap should be 1/4-3/8 inch).
5. Check that burner ports are not blocked or
plugged under the igniter.
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
3
Safety Information
Precautionary statements (“DANGER,”
“WARNING,” and “CAUTION”), followed by
specific instructions, are found in this manual and on
machine decals. These precautions are intended for the
personal safety of the operator, user, servicer, and
those maintaining the machine.
DANGER
DANGER indicates the presence of a
hazard that will cause severe personal
injury, death, or substantial property
damage if the danger is ignored.
WARNING
WARNING indicates the presence of a
hazard that can cause severe personal
injury, death, or substantial property
damage if the warning is ignored.
CAUTION
CAUTION indicates the presence of a
hazard that will or can cause minor
personal injury or property damage if the
caution is ignored.
IMPORTANT: The word “IMPORTANT” is used
to inform the reader of specific procedures where
minor machine damage will occur if the procedure
is not followed.
NOTE: The word “NOTE” is used to communicate
installation, operation, maintenance or servicing
information that is important but not hazard
related.
WARNING
Failure to install, maintain, and/or operate
this machine according to manufacturer’s
instructions may result in conditions which
can produce serious injury, death and/or
property damage.
W051
NOTE: The WARNINGS and IMPORTANT
instructions appearing in this manual are not
meant to cover all possible conditions and
situations that may occur. It must be understood
that common sense, caution and carefulness are
factors which CANNOT be built into this tumbler.
These factors MUST BE supplied by the person(s)
installing, maintaining or operating the tumbler.
Always contact your dealer, distributor, service agent
or the manufacturer on any problems or conditions you
do not understand.
Additional precautionary statements (“IMPORTANT”
and “NOTE”) are followed by specific instructions.
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
5
Cannot Perform Infrared (IR)
Communication
Attempt to
communicate with
the electronic
control from the
micro wand.
Single and stacked.
Gas and electric heat.
Single and three phase
supply.
Check the following:
Is there a response of
any kind from the
electronic control?
NO
Aim micro wand
closer and try again.
YES
Does the control
respond?
NO
- low battery on micro wand
- is the IR window covered or
blocked on the control.
- if needed replace the EDC
control
- is the IR cap properly attached
to the micro wand.
YES
Does the electronic
control display "E:OF"
or "-C-"?
"-C-"
Communication
sequence checks
out.
"E:OF"
Check the following:
- IR communication disabled by
manual programming.
- Is the IR window on the control
covered or blocked.
- if needed, change EDC board.
T027D
T027D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
7
Coins Ignored When Entered
Single and stacked
units. Gas and electric
heat. Single and three
phase voltage.
Start coin drop
diagnostic tests.
Does the display on the
EDC control increment
properly?
YES
Exit diagnostic
testing and reset
control. (Prompting
for vend price)
NO
Is connector H2 firmly
seated in its
receptacle?
NO
Reconnect and run
diagnostic test
again.
NO
Reconnect and run
diagnostic test
again.
YES
Is the 3 pin connector
between coin drop and
control connected
correctly?
YES
Are wires exiting coin
drop optical sensor
cracked or broken?
YES
Replace coin drop.
NO
Replace coin drop.
If problem still
exists then replace
the EDC control.
T026D
T026D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
9
Control Display
Door Open Light “On”
Single and stacked
units. Gas and electric
heat. Single and three
phase supply.
Is there voltage at
"H4-6 on the EDC
control?
YES
Reference voltage
checks to transformer
neutral.
Is there voltage at
the input of the
secondary fuse?
NO
Replace EDC
Control.
Correct wiring
between secondary
fuse and
transformer.
YES
NO
Is there power supplied
to the unit?
NO
Is there voltage to
output side of
secondary fuse?
NO
Replace secondary
fuse.
Plug unit in and
run it.
YES
YES
Is there voltage to input
of primary fuses?
NO
Correct wiring
between primary
fuses and power
supply.
Is there voltage to
N.O. of door
switch?
NO
Correct wiring
between N.O. and
output of secondary
fuse.
YES
YES
Is there voltage to
output side of the
primary fuses?
NO
Replace primary
fuse(s).
With door closed is
there voltage to
COM of door
switch?
NO
Check for proper
function of door
switch replace if
necessary.
YES
YES
Is there voltage across
terminals "1" & "2" of
transformer primary?
NO
Correct wiring
between primary
fuses and
transformer.
Is there voltage to
N.O. of lint drawer
switch?
NO
Correct wiring
between N.O. on lint
drawer and COM on
door switch.
YES
YES
Is there voltage across
terminals "2" & "3" of
transformer
secondary?
NO
Replace
transformer.
Is there voltage to
COM of lint drawer
switch with lint
panel closed?
NO
Check for proper
operation replace if
necessary.
YES
YES
Correct wiring
between "H4-6" of
EDC control and
COM of lint drawer
switch.
T028D
T028D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
11
Control Display
No Visible Display – OPL Microprocessor Models
Gas, steam
and electric heat.
Single and three
phase supply.
NO
Is there voltage
supplied to the unit?
Connect supply
voltage and run unit.
YES
Is there voltage across
fuse on OPL Micro?
NO
Replace OPL Micro.
YES
Note: Reference voltage to
supply neutral.
Replace fuse.
Is there voltage to the
input side of the
primary fuse(s)?
NO
Correct wiring
between primary
fuse and supply.
YES
Is there voltage to the
output side of the
primary fuse(s)?
NO
Replace primary
fuse.
YES
Is there voltage
to primary side of
the transformer
terminal "1"?
NO
Correct wiring
between transformer
and primary fuse.
YES
Is there voltage across
"1" & "4" of transformer
secondary?
NO
Replace transformer
YES
Is there voltage across
terminals "H3-3" &
"H3-4" on OPL Micro?
NO
Correct wiring
between OPL Micro
and transformer
secondary.
YES
T007D
T007D
12
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Control Display
No Visible Display – Power On
Single and stacked
units. Gas and electric
heat. Single and three
phase supply.
Is there voltage across
"H4-2 & H4-5" on the
EDC control?
YES
Replace EDC
Control.
NO
Is there voltage at
the input of the
secondary fuse?
NO
Correct wiring
between secondary
fuse and
transformer.
YES
Is there power supplied
to the unit?
NO
Plug unit in and run
it.
YES
Is there voltage to
output side of
secondary fuse?
NO
Replace secondary
fuse.
YES
Is there voltage to input
of primary fuses?
NO
Correct wiring
between primary
fuses and power
supply.
Correct wiring
between "H4-2" and
secondary fuse.
YES
Is there voltage to
output side of the
primary fuses?
NO
Replace primary
fuse(s).
YES
Is there voltage across
terminals "1" & "2" of
transformer primary?
NO
Correct wiring
between primary
fuse and
transformer.
YES
Is there voltage across
terminals "2" & "3" of
transformer
secondary?
NO
Replace
transformer.
YES
T025D
T025D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
13
Will Not Start
Electric
Manual Timer
Manual Timer, with and without Time Delay Board, Single and
Stacked units, Single and 3 Phase power supply.
Is there power supply
voltage coming to the
tumbler?
NO
Connect power
and run the cycle.
YES
Is there
voltage at the primary side
of the transformer at
terminals 1 and 2?
NO
Change the primary Still no voltage
fuse to the
transformer.
Correct wiring
between power
supply and
transformer.
For stacked units.
YES
Correct wiring
between upper and
lower pocket.
Is
there voltage at the
secondary side of the
transformer at terminal
2 and 3?
NO
Replace the
transformer.
NO
Change the
secondary fuse.
YES
Is there voltage to the
output side of the
secondary fuse?
YES
NOTE: White wires are
transformer "neutral"
Is there voltage to the
"N.O." terminal of the
door switch?
YES
With door closed Is
there voltage at "COM"
of the door switch?
With lint panel
closed is there votlage to
"N.O." terminal of the
liint panel switch?
YES
NO
NO
Correct the wiring
between the door
switch and the
secondary fuse.
NO
Correct the wiring
between the
secondary fuse and
the transformer.
NO
Is there voltage to the
"COM" of the lint panel
switch?
YES
NO
Correct wiring
between lint panel
switch and door
switch.
Check for proper
operation,
replace the door
switch if
necessary.
Refer to NO
MOTOR RUN
(run circuit.)
YES
Replace lint
panel switch.
T050D
T050D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
15
Will Not Start
Electric
Rotary Coin Drop (Sheet 1 of 2)
Coin Drop with and without Time Delay Boards.
Single and Stacked units. Single and 3 phase
power supply.
Is there power supply
voltage coming to the
unit?
NO
Connect power to
the unit and run
cycle.
Is there voltage across
coinmeter timer motor?
NO
Correct wiring
between
coinmeter timer
motor and COM
on switch "A".
YES
YES
Is the primary
fuse good?
Is there voltage at the
primary side of the
transformer at terminals
"1" & "2"?
NO
NO
Replace
fuse and
run
machine.
Does the coinmeter
timer motor
advance?
YES
Is there voltage at the
secondary side of the
transformer at terminal
"2" and "3"?
NO
Is there voltage at
N.O. terminal of the
door switch?
Replace the
transformer.
Is the
secondary
fuse good?
NO
YES
Correct wiring
between secondary
of transformer and
fuse.
YES
Note: Reference voltage
to transformer neutral.
(White wire)
Is there voltage to
"N.C." terminal of
switch "A" on rotary
coin drop?
NO
Correct wiring
between N.O on
door switch and
COM on switch"A".
YES
YES
Is there voltage to the
output side of the
secondary fuse?
Replace coinmeter
timer motor.
YES
Correct wiring
between transformer
and power supply.
YES
NO
NO
Correct wiring
between rotary
coin drop and
secondary fuse.
NO
Replace
fuse and
run
machine.
With the door
closed is there
voltage across the
door switch?
YES
Check door switch
for proper operation,
replace if necessary.
NO
Is there voltage to
the N.O. terminal of
the lint panel
switch?
NO
Correct wiring
between N.O. on the
lint panel switch and
COM of door switch.
YES
YES
Is the unit equipped
with time delay
boards?
YES
Continued on next
page at step 1.
With the lint
panel closed is there
voltage across the
lint panel switch?
YES
Check lint panel
switch for proper
operation and
replace if necessary.
NO
NO
Note: The following
checks are made with
the vend price satisfied.
Is there voltage on the
"COM" terminal of switch
"A"?
NO
Continued on next
page at step 2.
Replace switch "A".
Step 3 continuation.
YES
T075D
T075D
16
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Start
Electric
Rotary Coin Drop (Sheet 2 of 2)
STEP 1
STEP 2
Is there voltage to
"H1-2" on TMR1
board?
YES
NO
Correct wiring
between
"H1-2" and
output of
secondary
fuse.
Is there voltage at
"2A" of the start
switch?
YES
Note: Following tests
are conducted with
vend price satisfied.
With vend price
satisfied is there
voltage across "N.C." &
COM of switch "A"?
YES
Correct wiring
between "2A" of start
switch and COM of
lint panel switch.
NO
Replace Switch "A"
3 phase
Does the unit have
single phase or three
phase power supply?
NO
Single phase
Is there voltage across
the timer motor?
NO
Correct wiring
between timer
motor and COM on
switch "A"
Is there voltage at
terminal "7" of the
motor relay?
YES
Does Coinmeter Timer
Motor advance?
NO
Replace Timer
Motor.
NO
Correct wiring
between "H1-6" and
COM on switch "A"
YES
Correct wiring
between "7" of
motor relay and COM
of lint panel switch.
NO
Refer to NO
MOTOR RUN
(run circuit).
YES
Is there voltage across
"H1-6" & "H1-8" of
TMR1?
YES
Is there voltage at
terminal "14" of the
motor control relay?
NO
Correct wiring to
terminal "14" of
motor control
relay.
YES
Is there voltage across
"H1-2" & "H1-3" of
TMR1"?
YES
Replace TMR1.
Refer to NO
MOTOR RUN (Run
Circuit).
NO
Is there voltage to N.O.
of door switch?
NO
Correct wiring
between N.O. of
door switch and
"H1-3" of TMR1.
YES
Continue at step 3
on previous page.
T076D
T076D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
17
Will Not Start
Gas
Manual Timer
No motor run (start circuit) Manual Tumblers. Single and stacked units
with and without time delay. GAS UNITS
Is there power supply
voltage coming to the
tumbler?
NO
Connect power
and run the cycle.
NO
Change the primary Still no voltage
fuse to the
transformer.
YES
Is there voltage at the
primary side of the
transformer at
terminals 1 and 2?
YES
Correct wiring
between power
supply and
transformer.
For stacked units.
Correct wiring
between upper and
lower pocket.
Is there voltage at the
secondary side of the
transformer at terminal
2 and 3?
NO
Replace the
transformer.
NO
Change the
secondary fuse.
YES
Is there voltage to the
output side of the
secondary fuse?
YES
NOTE: White wires are
transformer "neutral"
Is there voltage to the
input side of the door
switch?
YES
Is there voltage to the
output side of the door
switch?
Correct the wiring
between the door
switch and the
secondary fuse.
Is there voltage to the
output side of the lint
panel switch?
YES
NO
NO
NO
Correct the wiring
between the
secondary fuse and
the transformer.
NO
Is there voltage to the
input side of the lint
panel switch?
YES
NO
Correct wiring
between lint panel
switch and door
switch.
Replace the
door switch.
Refer to NO
MOTOR RUN
(run circuit).
YES
Replace lint
panel switch.
T041D
T041D
18
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Start
Gas
Rotary Coin Drop (Sheet 1 of 2)
Single &
Stacked Tumblers
with and without time delay
Gas units.
Is there power supply
voltage coming to the
unit?
NO
Connect power to
the unit and run
cycle.
Is there voltage across
coinmeter timer motor?
NO
Correct wiring
between
coinmeter timer
motor and COM
on switch "A".
YES
YES
Is the primary
fuse good?
Is there voltage
at the primary side of the
transformer at terminals
"1" & "2"?
NO
NO
Replace
fuse and
run
machine.
Does the coinmeter
timer motor
advance?
YES
Is there voltage at the
secondary side of the
transformer at terminal
"2" and "3"?
NO
Is there voltage at
N.O. terminal of the
door switch?
Replace the
transformer.
NO
Correct wiring
between N.O on
door switch and
COM on switch"A".
YES
YES
Is the
secondary
fuse good?
Is there voltage to the
output side of the
secondary fuse?
Replace coinmeter
timer motor.
YES
Correct wiring
between transformer
and power supply.
YES
NO
NO
YES
Correct wiring
between secondary
of transformer and
fuse.
YES
Note: Reference voltage to
transformer neutral.
(White wire)
Is there voltage to
Correct wiring
NO
"N.C." terminal of
between rotary coin
switch "A" on rotary
drop and secondary
coin drop?
fuse.
NO
Replace
fuse and
run
machine.
With the door
closed is there
voltage across the
door switch?
YES
Check door switch
for proper operation,
replace if necessary.
NO
Is there voltage to
the N.O. terminal of
the lint panel
switch?
NO
Correct wiring
between N.O. on the
lint panel switch and
COM of door switch.
YES
YES
Is the unit equipped
with time delay
boards?
YES
Continued on next
page at step 1.
With the lint
panel closed is there
voltage across the lint
panel switch?
YES
Check lint panel
switch for proper
operation and
replace if necessary.
NO
NO
Note: The following
checks are made with
the vend price satisfied.
Is there voltage on the
COM terminal of switch
"A"?
NO
Continued on next
page at step 2.
Replace switch "A".
Step 3 continuation.
T086D
YES
T086D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
19
Will Not Start
Gas
Rotary Coin Drop (Sheet 2 of 2)
STEP 2
STEP 1
Is there voltage to
"H1-2" on TMR1
board?
YES
NO
Correct wiring
between
"H1-2" and
output of
secondary
fuse.
YES
NO
Correct wiring
between 2A of start
switch and COM of
lint panel switch.
YES
Note: Following tests
are conducted with
vend price satisfied.
With vend price
satisfied is there
voltage across "N.C." &
COM of switch "A"?
Is there voltage at
2A of the start
switch?
Replace Switch "A"
Is there voltage at
terminal 7 of the
motor relay?
NO
Correct wiring
between 7 of motor
relay and COM of
lint panel switch.
NO
YES
Is there voltage across
the timer motor?
NO
Correct wiring
between timer motor
and COM on switch
"A"
Refer to NO
MOTOR RUN
(run circuit).
YES
Does Coinmeter Timer
Motor advance?
NO
Replace Timer
Motor.
NO
Correct wiring
between "H1-6" and
COM on switch "A"
YES
Is there voltage across
"H1-6" & "H1-8" of
TMR1?
YES
Is there voltage across
"H1-2" & "H1-3" of
TMR1?
YES
Replace TMR1.
NO
Is there voltage to N.O.
of door switch?
NO
Correct wiring
between N.O. of
door switch and
"H1-3" of TMR1.
YES
Continue at step 3
on previous page.
T087D
T087D
20
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Start
Steam
Manual Timer
Single and stacked units with and without
time delay boards. Steam Heat.
Is there power supply
voltage coming to the
tumbler?
NO
Connect power
and run the cycle.
NO
Change the primary Still no voltage
fuse to the
transformer
YES
Is there voltage at the
primary side of the
transformer at
terminals 1 and 2?
YES
Correct wiring
between power
supply and
transformer.
For stacked units.
Correct wiring
between upper and
lower pocket.
Is there voltage at the
secondary side of the
transformer at terminal
2 and 3?
NO
Replace the
transformer.
NO
Change the
secondary fuse.
YES
Is there voltage to the
output side of the
secondary fuse?
YES
NOTE: White wires are
transformer "neutral"
Is there voltage to the
N.O. terminal of the
door switch?
YES
Is there voltage to the
COM terminal of the
door switch?
Correct the wiring
between the door
switch and the
secondary fuse
Is there voltage to the
N.O. terminal of the
lint panel switch?
YES
NO
NO
NO
Correct the wiring
between the
secondary fuse and
the transformer.
NO
Is there voltage to the
COM terminal of the
lint panel switch?
YES
NO
Correct wiring
between lint panel
switch and door
switch.
Replace the
door switch.
Refer to NO
MOTOR RUN
(run circuit) .
YES
Replace lint
panel switch.
T016D
T016D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
21
Will Not Start
Steam
Rotary Coin Drop (Sheet 1 of 2)
Single &
Stacked Tumblers
with and without time delay
Steam units.
Is there power supply
to the unit?
NO
Connect power to
the unit and run
cycle.
Is there voltage across
coinmeter timer motor?
NO
Correct wiring
between
coinmeter timer
motor and COM
on switch "A".
YES
YES
Is the primary
fuse good?
Is there voltage
at the primary side of the
transformer at terminals
"1" & "2"?
NO
NO
Replace
fuse and
run
machine.
Does the coinmeter
timer motor
advance?
YES
Correct wiring
between transformer
and power supply.
YES
Is there voltage
at the secondary side of the
transformer at terminal
"2" and "3"?
NO
Replace coinmeter
timer motor.
YES
Is there voltage at
N.O. terminal of the
door switch?
Replace the
transformer.
NO
Correct wiring
between N.O on
door switch and
COM on switch"A".
YES
YES
Is the
secondary
fuse good?
Is there voltage to the
output side of the
secondary fuse?
NO
NO
YES
Correct wiring
between secondary
of transformer and
fuse.
YES
Note: Reference voltage to
transformer neutral.
(White wire)
Correct wiring
Is there voltage to
NO
between rotary coin
"N.C." terminal of
drop
and secondary
switch "A" on rotary
fuse.
coin drop?
NO
Replace
fuse and
run
machine.
With the door
closed is there
voltage across the
door switch?
YES
Check door switch
for proper operation,
replace if necessary.
NO
Is there voltage to
the N.O. terminal of
the lint panel
switch?
NO
Correct wiring
between N.O. on the
lint panel switch and
COM of door switch.
YES
YES
Is the unit equipped
with time delay
boards?
YES
Continued on next
page column 1.
With the lint
panel closed is there
voltage across the
lint panel switch?
YES
Check lint panel
switch for proper
operation and
replace if necessary.
NO
NO
Note: The following
checks are made with
the vend price satisfied.
Is there voltage on the
COM terminal of switch
"A"?
NO
Continued on next
page column 2.
Replace switch "A".
Step 3 continuation.
YES
T062D
T062D
22
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Start
Steam
Rotary Coin Drop (Sheet 2 of 2)
COLUMN 1
COLUMN 2
Is there voltage to
"H1-2" on TMR1
board?
YES
NO
Correct wiring
between
"H1-2" and
output of
secondary
fuse.
YES
NO
Correct wiring
between "2A" of
start switch and COM
of lint panel switch.
YES
Note: Following tests
are conducted with
vend price satisfied.
With vend price
satisfied is there
voltage across "N.C." &
COM of switch "A"?
Is there voltage at
"2A" of the start
switch?
Replace Switch "A"
Is there voltage at
terminal "7" of the
motor relay?
NO
Correct wiring
between "7" of
motor relay and COM
of lint panel switch.
NO
YES
Is there voltage across
the timer motor?
NO
Correct wiring
between timer motor
and COM on switch
"A"
Refer to NO
MOTOR RUN
(run circuit).
YES
Does Coinmeter Timer
Motor advance?
NO
Replace Timer
Motor.
NO
Correct wiring
between "H1-6" and
COM on switch "A"
YES
Is there voltage across
"H1-6" & "H1-8" of
TMR1?
YES
Is there voltage across
"H1-2" & "H1-3" of
TMR1"?
YES
Replace TMR1.
NO
Is there voltage to N.O.
of door switch?
NO
Correct wiring
between N.O. of
door switch and
"H1-3" of TMR1.
YES
Continue at step 3
on previous page.
T063D
T063D
70172201
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23
Will Not Start/Continue Running
EDC Control (Sheet 1 of 3)
Note: test conducted with vend
price satisfied and start button
pressed.
Is there voltage at
"H4-4" on the EDC
control to transformer
neutral?
YES
Single and stacked
units. Gas, electric and
steam heat. Single and
three phase supply.
Continued on next
page.
Is there voltage at the
input of the secondary
fuse?
NO
Correct wiring
between secondary
fuse and
transformer.
YES
NO
Is there power supplied
to the unit?
NO
Plug unit in and run
it.
Is there voltage to
output side of
secondary fuse?
NO
Replace secondary
fuse.
YES
YES
Is there voltage to N.O.
of door switch?
Is there voltage to input
of primary fuse(s)?
NO
Correct wiring
between primary
fuse(s) and power
supply.
YES
Correct wiring
between N.O. and
output of secondary
fuse.
YES
With door closed is
there voltage to COM
of door switch?
Is there voltage to
output side of the
primary fuse(s)?
NO
NO
Check for proper
function of door
switch replace if
necessary.
YES
NO
Replace primary
fuse.
Is there voltage to N.O.
of lint drawer switch?
YES
NO
Correct wiring
between N.O. on lint
drawer and COM on
door switch.
YES
Is there voltage across
terminals "1" & "2" of
transformer primary?
NO
Correct wiring
between primary
fuse and
transformer.
Is there voltage to
COM of lint drawer
switch with lint panel
closed?
NO
Check for proper
operation replace if
necessary.
YES
YES
Is there voltage across
terminals "2" & "3" of
transformer
secondary?
YES
NO
Replace
transformer.
Is there voltage at
"H4-1" on the EDC
control board?
NO
Correct wiring
between "H4-1" and
COM of lint drawer
switch.
YES
Replace EDC
Control.
T029D
T029D
70172201
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25
Will Not Start/Continue Running
EDC Control (Sheet 2 of 3)
Note: Tests conducted with vend
price satisfied and start button
pressed.
Is there voltage on "B"
terminal of motor
control relay?
Is there voltage across
terminals "1" & "4" of
the fan motor?
NO
Correct wiring
between "B" and
"H4-4".
NO
Correct wiring
between fan motor
and motor control
relay.
YES
YES
Does the fan motor
run?
3 phase. See
note on next
page
Is the unit equipped
with single phase or
three phase power?
Replace fan motor.
YES
Is unit equipped with
single phase or three
phase power supply?
Single phase
Is there voltage to
terminal "5" of the
motor control relay?
NO
NO
Correct wiring
between terminal "5"
and power supply.
Three phase. See
note on next page.
Is there supply voltage
to L2 & L3 of motor
control relay?
YES
Single phase
NO
Correct wiring
between L2, L3 and
supply.
YES
Replace motor
control relay.
YES
Is there voltage to
terminal "8" of motor
control relay?
NO
Replace motor
control relay.
Is there voltage across
terminals L2 & T2 and
L3 & T3?
YES
NO
Is there supply voltage
to L1 and L2 of the
motor control relay?
NO
Correct wiring
between L1, L2 and
power supply.
Is there voltage at
terminal "6" of motor
control relay?
YES
NO
Correct wiring
between terminal "6"
of motor control
relay and supply.
YES
Is there votlage across
L1 & T1 and L2 & T2?
YES
Replace motor
control relay.
Is there voltage at
terminal "9" of motor
control relay?
NO
Replace motor
control relay.
NO
YES
Continued on next
page.
T030D
T030D
26
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70172201
Will Not Start/Continue Running
EDC Control (Sheet 3 of 3)
Is there voltage across
terminals "1" & "4" of
cylinder motor?
NO
Correct wiring
between cylinder
motor and motor
control relay.
YES
Does the cylinder
motor run?
NO
Replace cylinder
motor.
YES
Motors are
operational.
Note: For high voltage three phase supply (380 volts
or higher), the cylinder and fan motors are supplied
by L1, L2, L3 through the motor relay terminals T1,
T2, T3. Make the appropriate adjustments when
doing voltage checks.
T031D
T031D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
27
Will Not Start/Continue Running
OPL Microprocessor Control
(Sheet 1 of 3)
Gas, steam and
electric heat.
Single and three phase
supply.
Reference voltage to
supply neutral.
Is power supplied to
unit?
NO
Connect supply
and run unit.
Is there voltage to
output of secondary
fuse?
NO
Replace secondary
fuse.
YES
YES
Is there voltage to input
of primary fuse(s)?
NO
Correct wiring
between primary
fuse and supply.
Is there voltage to
"N.O." terminal of door
switch?
NO
Correct wiring
between "N.O."
terminal of door
switch and
secondary fuse.
YES
YES
Is there voltage to
output of primary
fuse(s)?
NO
Change primary
fuse.
With door closed is
there voltage to "COM"
of door switch?
NO
Check for proper
operation, replace
door switch if
necessary.
YES
YES
Is there voltage across
terminals "1" & "2" on
primary of
transformer?
NO
Correct wiring
between transformer
and primary fuse.
Is there voltage to
"N.O." of lint panel
switch?
NO
Correct wiring
between "N.O." of
lint panel switch
and "COM" of
door switch.
YES
YES
Is there voltage across
terminals "2" & "3" of
transformer
secondary?
NO
Replace
transformer.
Is there voltage to
"COM" of lint panel
switch with lint panel
closed?
NO
Check for proper
operation and
replace lint panel
switch if necessary.
YES
YES
Note: Reference voltage to
transformer secondary neutral
terminal "3".
Is there voltage to input
of secondary fuse?
YES
NO
Correct wiring
between secondary
fuse and
transformer.
Is there voltage at
terminal "8" of OPL
Micro?
NO
Correct wiring
between terminal
"8" of OPL Micro
and "COM" of lint
panel switch.
YES
Continued on next
page.
T099D
T099D
28
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Start/Continue Running
OPL Microprocessor Control
(Sheet 2 of 3)
OPL Start - Run Circuitry continued.
Tests conducted with cycle selected and
start key pad activated.
Is there voltage at
terminal "7" on OPL
Micro?
Is there voltage
across terminals
"1" & "4" of fan
motor?
NO
Correct wiring
between fan motor
and motor control
relay.
NO
Replace OPL Micro.
YES
YES
Is
there voltage
across terminals
"B" & "A" of motor control relay
for "OM" model and terminals
"0" & "1" for "RM"
models?
Does the fan
motor run?
NO
NO
Replace fan motor.
Correct wiring to
motor control relay.
YES
YES
Does the unit
have reversing
capabilities?
Is unit supplied with
single phase or three
phase power?
See cylinder
rotation. Either
forward or reverse.
YES
Single phase
NO
Three phase. See note on next page.
Reference voltage to
supply neutral.
Is there voltage to L1
and L2 of the motor
control relay?
NO
Single phase
Does the unit
have single
phase or three
phase supply?
Correct wiring
between L1, L2 and
power supply.
Three phase. See note on next page.
Is
there voltage
to L2 and L3 on
the motor control
relay?
YES
Is ther voltage to T1
and T2 of the motor
control relay?
NO
Replace motor
control relay.
Is there
voltage at terminal
"5" on the motor control
relay for "OM" models and
terminal "2" for "RM"
models?
NO
Correct wiring
between motor
control relay and
power supply.
Correct wiring
between L2, L3 and
power supply.
NO
Replace motor
control relay.
YES
Is
there voltage
to T2 and T3 on
the motor control
relay?
YES
NO
Is there voltage to
terminal "6" of motor
control relay?
Correct wiring
between terminal
"6" motor control
relay and supply
voltage.
NO
YES
YES
Is there
voltage across
terminals "5" & "8" of
the motor control relay for "OM"
models and terminals "2"
& "4" for "RM"
models?
NO
YES
Replace motor
control relay.
Is there voltage
across terminals "6" & "9" of
motor control relay?
NO
YES
Replace motor
control relay.
Continued on next
page.
T008D
T008D
70172201
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29
Will Not Start/Continue Running
OPL Microprocessor Control
(Sheet 3 of 3)
Is there voltage across
terminals "1" & "4" of
the cylinder motor?
NO
Correct the wiring
between the
cylinder motor and
control relay.
YES
Does the cylinder
motor run?
NO
Replace cylinder
motor.
YES
Unit operational.
NOTE: For three phase high voltage (380volts or
higher), the cylinder and fan motors are supplied L1, L2,
L3 through the motor relay terminals T1, T2, T3. Make
the appropriate voltage checks while doing trouble
shooting.
T009D
T009D
30
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Run
Electric
Manual Timer (Sheet 1 of 3)
With and without Time Delay Boards.
Single and Stacked units.
Single and 3 phase power supply.
Is there voltage at
terminal "C" on the
drying timer?
NO
Correct wiring
between drying
timer and lint panel
switch.
NO
Is the unit equipped
with a Time Delay
Board?
YES
YES
NOTE: make sure drying
timer is in the "on"
position.
Is there voltage at
terminal "B" on the
drying timer?
NO
Is there voltage across
"H1-6" & "H1-8" on
TMR1?
Replace drying
timer.
NO
Correct wiring to
TMR1.
NO
Check for proper
operation of Air
Flow Switch.
YES
Replace Time
Delay Board.
YES
YES
**
Is there voltage across
terminals "7" and "8" of
CR1 relay?
NO
Is there voltage across
terminals "H1-4" &
"H1-8" on TMR2?
Correct the wiring
between CR1 relay
and terminal "B" on
drying timer.
YES
YES
**
Is there voltage across
terminal "3" and "5" of
CR1 relay?
YES
Is there voltage across
"DOB" contacts on
TMR2?
Replace CR1 relay.
NO
NO
NOTE: This test to be
made with Push to Start
Switch pressed in.
Is there voltage
across terminals "2A"
& "1A" of push to
start switch?
YES
**
Is there voltage across
terminals "7" & "8" of
CR2 Relay?
Replace Push to
Start Switch.
NO
Correct wiring
between CR2
Relay and Air
Flow Switch.
YES
NO
NOTE: The "N.O." contact is closed in the rest
position due to the physical
mounting of the switch.
**
Is there voltage across
"COM" and "N.O." of
the air flow switch?
YES
Is there voltage across
terminals "5" & "3" on
the CR2 Relay?
Adjust the air flow
switch or replace if
inoperative.
YES
Replace CR2
Relay.
NO
NO
CONTINUED
ON NEXT
PAGE.
YES
**
Is there voltage across
coils "B" & "A" of the
Motor Control Relay?
** Tested with the start switch pressed in.
NO
Correct wiring
between Motor
Control Relay
and Air Flow
Switch.
T051D
T051D
70172201
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31
Will Not Run
Electric
Manual Timer (Sheet 2 of 3)
Is this a single phase
or 3 phase unit?
3 phase
Is there voltage across
terminals "14" & "13" of
motor control relay?
Single phase
**
Is there voltage across
terminal "7" & "4" of the
Motor Control Relay?
YES
Replace motor
control relay.
NO
Correct wiring
between "L1" and
power supply.
NO
YES
Replace Motor
Control Relay.
NO
Is there voltage to "L1"
of motor control relay?
YES
Is there voltage at
terminal "5" on the
motor control relay to
to supply neutral?
NO
Correct wiring
between terminal "5"
and supply voltage.
Is there voltage to "L2"
of motor control relay?
NO
Correct wiring
between "L2" and
power supply.
YES
YES
Is there voltage across
terminal "5" & "8" of the
motor control relay?
YES
Replace motor
control relay.
Is there voltage across
"L1" to "T1" and "L2" to
"T2" on the motor
control relay?
YES
Replace motor
control relay.
NO
NO
Is there voltage across
terminals "1" & "4" of
Fan Motor?
NO
Correct wiring
between Fan
Motor and contact
"8" on the Motor
Control Relay.
YES
Note: Only for non time
delay machines
Is there voltage across
terminals "3" & "5" of
the fan motor
centrifugal switch with
the fan motor running?
YES
Replace Fan
Motor.
NO
Does the Fan Motor
Run?
NO
Replace the Fan
Motor.
Continued on next
page.
YES
** Tested with the start switch pressed in.
T052D
T052D
32
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Run
Electric
Manual Timer (Sheet 3 of 3)
Three phase.
Is unit single phase or
3 phase?
Is there voltage to "L2"
on motor control relay?
NO
Correct wiring
between terminal
"6" and power
supply.
Is there voltage to "L3"
on motor control relay?
YES
Is there voltage across
terminal "6" & "9" of the
motor control relay?
NO
Correct wiring
between motor
control relay and
supply.
YES
YES
Replace motor
control relay.
NO
Is there voltage at
terminals "1" & "4" of
the Cylinder Motor?
Correct wiring
between motor
control relay and
supply.
YES
Single phase.
Is there voltage to
terminal "6" on the
motor control relay?
NO
Is there voltage across
"L2 to T2" and "L3 to
T3" on the motor
control relay?
YES
Replace motor
control relay.
NO
NO
Correct wiring
between Cylinder
Motor and contact
"9" on the Motor
Control Relay.
YES
Does the Cylinder
Motor Run?
NO
Replace the
Cylinder Motor.
YES
The Cylinder and
Fan Motors are
operational.
T053D
T053D
70172201
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33
Will Not Run
Electric
Rotary Coin Drop (Sheet 1 of 3)
Tumblers Single & Stack with and without
time delay. Single and Three phase power.
**
Is there voltage across
terminals "7" & "8" of
CR2 Relay?
** Tested with vend price
satisfied and with start
switch pressed in.
**
Is there voltage across
terminals "2A" & "1A"
of push to start
switch?
YES
Replace Push to
Start Switch.
NO
Correct wiring
between CR2
Relay and Air
Flow Switch.
YES
**
Is there voltage across
terminals "5" & "3" on
the CR2 Relay?
NO
Note: Reference
voltage to transformer
neutral.
Is there voltage to
COM of the Air Flow
Switch?
NO
Correct wiring
between COM of Air
Flow Switch and
"1A" on Start Switch.
YES
NO
**
Is there voltage across
the coil of the Motor
Control Relay?
YES
NOTE: The N.O. contact is closed in the rest
position due to the physical mounting
of the switch.
**
Is there voltage across
COM and "N.O." of
the air flow switch?
YES
Replace CR2
Relay.
NO
Correct wiring
between Motor
Control Relay
and Air Flow
Switch.
YES
Replace inoperative
switch or correct air
flow vane operation.
Is unit Single
phase or Three
phase?
Three phase
please see not.
Continued on
next page
COLUMN 2.
NO
Single Phase
Is the unit equipped
with a Time Delay
Board?
NO
**
Is there voltage across
terminal "7" & "4" of the
Motor Control Relay?
YES
Replace Motor
Control Relay.
YES
NO
**
Is there voltage across
terminals "H1-4" &
"H1-8" on TMR2?
NO
Check for proper
operation of Air
Flow Switch and
check wiring.
Is there voltage at
terminal "5" on the
motor control relay?
NO
Correct wiring
between
terminal "5"
and supply
voltage.
YES
YES
**
Is there voltage across
"DOB" contacts on
TMR2?
YES
Replace Time
Delay Board.
Continued on next
page COLUMN 1.
NO
** Tested with the start switch pressed in.
T072D
T072D
34
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Run
Electric
Rotary Coin Drop (Sheet 2 of 3)
COLUMN 2
COLUMN 1
Is there voltage across
terminal "5" & "8" of the
motor control relay?
YES
Is there voltage across
terminal "14" & "13" of
motor control relay?
Replace motor
control relay.
YES
Replace motor
control relay.
NO
Correct wiring
between "L1", "L2"
and supply.
NO
Replace motor
control relay.
NO
NO
Is there voltage across
terminals "1" & "4" of
Fan Motor?
Correct wiring
between Fan
Motor and contact
"8" on the Motor
Control Relay.
NO
Is there voltage to "L1" &
"L2" terminals on motor
control relay?
YES
YES
YES
Does the Fan Motor
Run?
NO
Is there voltage to "T1" &
"T2" terminals on motor
control relay?
Replace the Fan
Motor.
YES
For units without Time
Delay Boards.
Is there voltage across
terminals "3" & "5" of
the fan motor
centrifugal switch with
the fan motor running?
YES
NOTE: For Hi voltage three phase supply
(380volts or higher), the cylinder and fan motor
are supplied "L1", "L2", "L3" through the motor relay
terminals "T1", "T2", "T3". Make the appropriate
adjustments when doing trouble shooting.
Replace Fan
Motor.
Is there voltage to
"L2" & "L3" terminals
on motor control
relay?
NO
Is the machine
supplied with single
phase or three phase
power?
Three Phase
Please see note.
NO
Correct wiring
between supply
and "L2" & "L3"
terminals.
YES
Is there voltage
across "L2" to "T2" and
"L3" to "T3"?
YES
Replace motor
control relay.
NO
Replace cylinder
motor.
Single Phase
NO
Is there voltage to
terminal "6" on the
motor control relay?
YES
Continued on next
page COLUMN 1.
NO
Correct wiring
between terminal
"6" and power
supply.
Does the cylinder
motor run?
YES
CYLINDER AND
FAN MOTORS ARE
OPERATIONAL.
T073D
T073D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
35
Will Not Run
Electric
Rotary Coin Drop (Sheet 3 of 3)
COLUMN 1
Is there voltage across
terminals "6" & "9" of
motor control relay?
YES
Replace motor
control relay.
NO
Is there voltage at
terminals "1" & "4" of
the Cylinder Motor?
NO
Correct wiring
between Cylinder
Motor and contact
"9" on the Motor
Control Relay.
YES
Does the Cylinder
Motor Run?
NO
Replace the
Cylinder Motor.
YES
The Cylinder and
Fan Motors are
operational.
T074D
T074D
36
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Run
Gas
Manual Timer (Sheet 1 of 2)
No motor run (run circuit) Manual Tumblers Single
and stacked units with and without Time Delay
Boards. GAS UNIT.
Is there voltage at
terminal “c” on the
drying timer?
NO
Correct wiring
between drying
timer and lint panel
switch.
NO
YES
Is the unit equipped
with a Time Delay
Board?
YES
NOTE: make sure drying
timer is in the “on”
position.
Is there voltage at
terminal “b” on the
drying timer?
NO
Is there voltage across
“H1-6” & “H1-8” on
TMR1?
Replace drying
timer.
NO
Correct wiring to
TMR1.
NO
Check for proper
operation of
Airflow Switch.
YES
Replace Time
Delay Board.
YES
YES
**
Is there voltage across
terminals “7” and “8” of
CR1 relay?
NO
Is there voltage across
terminals “H1-4” &
“H1-8” on TMR2?
Correct the wiring
between CR1 relay
and terminal “b” on
drying timer.
YES
YES
**
Is there voltage across
terminal “3” and “5” of
CR1 relay?
YES
Is there voltage across
"DOB" contacts on
TMR2?
Replace CR1 relay.
NO
NO
NOTE: This test to be
made with Push to Start
Switch pressed in.
Is there voltage
across terminals “2A”
& “1A” of push to
Start switch?
YES
**
Is there voltage across
terminals “7” & “8” of
CR2 Relay?
Replace Push to
Start Switch.
NO
Correct wiring
between CR2
Relay and
Airflow Switch.
YES
NO
NOTE: The N.O. contact is closed in the rest
position due to the physical mounting
of the switch.
**
Is there voltage across
“COM” and “N.O.” of
the Airflow switch?
YES
Is there voltage across
terminals “5” & “3” on
the CR2 Relay?
Adjust the Airflow
switch or replace if
inoperative.
YES
Replace CR2
Relay.
NO
NO
**
CONTINUED
ON NEXT
PAGE.
YES
**
Is there voltage across
coils “B” & “A” of the
Motor Control Relay?
NO
Correct wiring
between Motor
Control Relay
and Airflow
Switch.
Tested with the start switch pressed in.
T042D
T042D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
37
Will Not Run
Gas
Manual Timer (Sheet 2 of 2)
**
Is there voltage across
terminal "7" & "4" of the
Motor Control Relay?
YES
NO
Does the Fan Motor
Run?
NO
Replace the Fan
Motor.
YES
Note: Only for non time
delay machines
Replace Motor
Control Relay.
Is there voltage across
terminals "3" & "5" of
the fan motor
centrifugal switch with
the fan motor running?
YES
Replace Fan
Motor.
NO
Is there voltage at
terminal "5" on the
motor control relay to
to supply neutral?
NO
Correct wiring
between terminal "5"
and supply voltage.
Is there voltage to
terminal "6" on the
motor control relay and
supply neutral?
NO
Correct wiring
between terminal
"6" and power
supply.
YES
YES
Is there voltage across
terminal "5" & "8" of the
motor control relay?
YES
Replace motor
control relay.
Is there voltage across
terminal "6" & "9" of the
motor control relay?
YES
Replace motor
control relay.
NO
NO
Is there voltage across
terminals "1" & "4" of
Fan Motor?
NO
Correct wiring
between Fan
Motor and contact
"8" on the Motor
Control Relay.
Is there voltage at
terminals "1" & "4" of
the Cylinder Motor?
NO
Correct wiring
between Cylinder
Motor and contact
"9" on the Motor
Control Relay.
YES
YES
Does the Cylinder
Motor Run?
NO
Replace the
Cylinder Motor.
YES
**
Tested with the start switch pressed in.
The Cylinder and
Fan Motors are
operational.
T043D
T043D
38
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Run
Gas
Rotary Coin Drop (Sheet 1 of 2)
Single
& Stack with and without time delay.
Gas units.
**
** Tested with start switch
pressed in.
**
Is there voltage across
terminals "2A" & "1A"
of push to start
switch?
YES
Replace Push to
Start Switch.
Is there voltage across
"DOB" contacts (H1-4
and H1-5) on TMR2?
YES
Replace Time
Delay Board.
NO
NO
Note: Reference
voltage to transformer
neutral.
Is there voltage to
COM of the Air Flow
Switch?
NO
Correct wiring
between COM of Air
Flow Switch and
"1A" on Start Switch.
YES
NOTE: The N.O. contact is closed in
the rest position due to the physical
mounting of the switch.
**
Is there voltage across
terminals "7" & "8" of
CR2 Relay?
NO
Correct wiring
between CR2
Relay and Air
Flow Switch.
YES
**
Is there voltage across
terminals "5" & "3" on
the CR2 Relay?
YES
Replace CR2
Relay.
**
Is there voltage across
"COM" and "N.O." of
the air flow switch?
YES
Adjust the air flow
switch or replace if
inoperative.
NO
**
Is there voltage across
coils "B" & "A" of the
Motor Control Relay?
NO
NO
Correct wiring
between Motor
Control Relay
and Air Flow
Switch.
YES
Is the unit equipped
with a Time Delay
Board?
NO
**
Is there voltage across
terminal "7" & "4" of the
Motor Control Relay?
YES
YES
Replace Motor
Control Relay.
NO
Is there voltage across
"H1-6" & "H1-8" on
TMR1?
NO
Correct wiring to
TMR1.
Is there voltage at
terminal "5" on the
motor control relay?
YES
NO
Correct wiring
between
terminal "5"
and supply
voltage.
YES
**
Is there voltage across
terminals "H1-4" &
"H1-8" on TMR2?
NO
Check for proper
operation of Air
Flow Switch and
check wiring.
CONTINUED
ON NEXT
PAGE.
YES
** Tested with the start switch pressed in.
T088D
T088D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
39
Will Not Run
Gas
Rotary Coin Drop (Sheet 2 of 2)
No Motor Run (run circuit)
Is there voltage across
terminal "5" & "8" of the
motor control relay?
YES
Replace motor
control relay.
Is there voltage at
terminals "1" & "4" of
the Cylinder Motor?
NO
Correct wiring
between Cylinder
Motor and contact
"9" on the Motor
Control Relay.
YES
NO
Is there voltage across
terminals "1" & "4" of
Fan Motor?
NO
Correct wiring
between Fan
Motor and contact
"8" on the Motor
Control Relay.
Does the Cylinder
Motor Run?
NO
Replace the
Cylinder Motor.
YES
YES
NO
Does the Fan Motor
Run?
Replace the Fan
Motor.
The Cylinder and
Fan Motors are
operational.
YES
Is there voltage
across terminals "3" &
"5" of the fan motor centrifugal
switch with the fan
motor running?
YES
Replace Fan
Motor.
NO
Is there voltage to
terminal "6" on the
motor control relay?
NO
Correct wiring
between terminal
"6" and power
supply.
YES
Is there voltage across
terminal "6" & "9" of the
motor control relay?
YES
Replace motor
control relay.
NO
** Tested with the start switch pressed in.
T089D
T089D
40
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Run
Steam
Manual Timer (Sheet 1 of 2)
No motor run (run circuit) Manual Tumblers.
Single and stacked units with and without
time delay board. Steam heat.
NO
Is there voltage at
terminal “C” on the
drying timer?
NO
Correct wiring
between drying
timer and lint panel
switch.
Is the unit equipped
with a Time Delay
Board?
YES
YES
NOTE: Make sure drying
timer is in the "on"
position.
Is there voltage at
terminal “B” on the
drying timer?
NO
Is there voltage across
“H1-6” & “H1-8” on
TMR1?
NO
Correct wiring to
TMR1.
NO
Check for proper
operation of
Airflow Switch.
Replace drying
timer.
YES
YES
**
Is there voltage across
terminals “7” and “8” of
CR1 relay?
NO
Is there voltage across
terminals “H1-4” &
“H1-8” on TMR2?
Correct the wiring
between CR1 relay
and terminal “B” on
drying timer.
YES
YES
**
Is there voltage across
terminal “3” and “5” of
CR1 relay?
YES
Is there voltage across
“DOB” contacts on
TMR2?
Replace CR1 relay.
YES
Replace Time
Delay Board.
NO
NO
NOTE: This test to be
made with Push to Start
Switch pressed in.
Is there voltage
across terminals “2A”
& “1A” of push to
Start switch?
YES
**
Is there voltage across
terminals “7” & “8” of
CR2 Relay?
Replace Push to
Start Switch.
NO
Correct wiring
between CR2
Relay and
Airflow Switch.
NO
YES
NOTE: The N.O. contact is closed in
the rest position due to the physical
mounting of the switch.
**
Is there voltage across
“COM” and “N.O.” of
the Airflow switch?
YES
Is there voltage across
terminals “5” & “3” on
the CR2 Relay?
Adjust the Airflow
switch or replace if
inoperative.
YES
Replace CR2
Relay
.
NO
NO
CONTINUED
ON NEXT
PAGE.
**
YES
**
Is there voltage across
“B” & “A” of the Motor
Control Relay ?
NO
Tested with the start switch pressed in.
Correct wiring
between Motor
Control Relay
and Airflow
Switch.
T017D
T017D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
41
Will Not Run
Steam
Manual Timer (Sheet 2 of 2)
**
Is there voltage across
terminal "7" & "4" of the
Motor Control Relay?
YES
NO
Does the Fan Motor
Run?
Replace the Fan
Motor.
YES
NO
Note: only for non time
delay machines
Replace Motor
Control Relay.
Is there voltage across
terminals "3" & "5" of
the fan motor
centrifugal switch with
the fan motor running?
YES
Replace Fan
Motor.
NO
Is there voltage at
terminal "5" on the
motor control relay to
to supply neutral?
NO
Correct wiring
between terminal
"5" and supply
voltage.
Is there voltage to
terminal "6" on the
motor control relay and
supply neutral?
NO
Correct wiring
between terminal
"6" and power
supply.
YES
YES
Is there voltage across
terminal "5" & "8" of the
motor control relay?
YES
Replace motor
control relay.
Is there voltage across
terminal "6" & "9" of the
motor control relay?
YES
Replace motor
control relay.
NO
NO
Is there voltage across
terminals "1" & "4" of
Fan Motor?
NO
Correct wiring
between Fan
Motor and contact
"8" on the Motor
Control Relay.
Is there voltage at
terminals "1" & "4" of
the Cylinder Motor?
NO
Correct wiring
between Cylinder
Motor and contact
"9" on the Motor
Control Relay.
YES
YES
Does the Cylinder
Motor Run?
NO
Replace the
Cylinder Motor.
YES
**
Tested with the start switch pressed in.
The Cylinder and
Fan Motors are
operational.
T018D
T018D
42
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Run
Steam
Rotary Coin Drop (Sheet 1 of 2)
Single & Stack
with and without time delay.
Steam units.
**
** Tested with start switch
pressed in and vend
satisfied.
**
Is there voltage across
terminals "2A" & "1A"
of push to start
switch?
YES
Is there voltage across
"DOB" contacts on
TMR2?
YES
Replace Time
Delay Board.
Replace Push to
Start Switch.
NO
NO
Note: Reference
voltage to transformer
neutral.
Is there voltage to
COM of the Air Flow
Switch?
NO
Correct wiring
between COM of Air
Flow Switch and
"1A" on Start Switch.
**
Is there voltage across
terminals "7" & "8" of
CR2 Relay?
NO
Correct wiring
between CR2
Relay and Air
Flow Switch.
YES
YES
NOTE: The N.O. contact is closed in the rest
position due to the physical mounting
of the switch.
**
Is there voltage across
"COM" and "N.O." of
the air flow switch?
YES
Adjust the air flow
switch or replace if
inoperative.
**
Is there voltage across
terminals "5" & "3" on
the CR2 Relay?
YES
NO
**
Is there voltage across
"B" & "A" of the Motor
Control Relay?
NO
Replace CR2
Relay.
NO
Correct wiring
between Motor
Control Relay
and Air Flow
Switch.
YES
Is the unit equipped
with a Time Delay
Board?
NO
**
Is there voltage across
terminal "7" & "4" of the
Motor Control Relay?
YES
YES
Replace Motor
Control Relay.
NO
Is there voltage across
"H1-6" & "H1-8" on
TMR1?
NO
Correct wiring to
TMR1.
Is there voltage at
terminal "5" on the
motor control relay?
YES
**
NO
Correct wiring
between
terminal "5"
and supply
voltage.
YES
Is there voltage across
terminals "H1-4" &
"H1-8" on TMR2?
NO
Check for proper
operation of Air
Flow Switch and
check wiring.
CONTINUED
ON NEXT
PAGE.
YES
**
Tested with the start switch pressed in.
T064D
T064D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
43
Will Not Run
Steam
Rotary Coin Drop (Sheet 2 of 2)
No Motor Run (run circuit)
Is there voltage across
terminal "5" & "8" of the
motor control relay?
YES
Replace motor
control relay.
Is there voltage at
terminals "1" & "4" of
the Cylinder Motor?
NO
Correct wiring
between Cylinder
Motor and contact
"9" on the Motor
Control Relay.
YES
NO
Is there voltage across
terminals "1" & "4" of
Fan Motor?
NO
Correct wiring
between Fan
Motor and contact
"8" on the Motor
Control Relay.
Does the Cylinder
Motor Run?
NO
Replace the
Cylinder Motor.
YES
YES
NO
Does the Fan Motor
Run?
Replace the Fan
Motor.
The Cylinder and
Fan Motors are
operational.
YES
Only for units without
time delay boards.
Is there voltage across
terminals "3" & "5" of
the fan motor
centrifugal switch with
the fan motor running?
YES
Replace Fan
Motor.
NO
Is there voltage to
terminal "6" on the
motor control relay?
NO
Correct wiring
between terminal
"6" and power
supply.
YES
Is there voltage across
terminal "6" & "9" of the
motor control relay?
YES
Replace motor
control relay.
NO
** Tested with the start switch pressed in.
T065D
T065D
44
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Electric
Manual Timer (Sheet 1 of 2)
With and without Time Delay
Board, Single and Stacked units, Single and
3 Phase power supply.
NOTE: The following tests are conducted with
the Heat Timer in the "ON" position with the
machine running and calling for heat. Voltage
checks are referenced to transformer neutral.
Is there voltage across
terminals "1" & "6" of
the Temp Control Bd?
Is there voltage at Air
Flow Switch (AFS)
"N.C." terminal to
transformer neutral?
NO
Replace inoperative
switch or correct air
flow vane operation.
NO
Correct wiring
between A.F.S. and
terminal "6" on CR1.
YES
YES
YES
NO
Is there voltage at
terminal "6" on CR1 to
transformer neutral?
Is there voltage across
terminals "5" & "6" of
the Temp Control Bd?
YES
NO
Is the thermistor
shorted or open?
YES
Is there voltage from
terminal "4" on CR1 to
transformer neutral?
Replace thermistor.
NO
Replace CR1.
YES
NO
YES
Is temperature
selection switch
shorted or open?
YES
Is unit equipped with
time delay board?
Replace selection
switch.
NO
NO
Replace the
Temperature
Control Board.
Is there
voltage to
terminal "3" of
fan motor?
NO
Correct wiring
between fan motor
terminal "3" and
CR1 terminal "4".
Is there voltage from
terminal "6" on CR2 to
transformer neutral?
NO
Correct wiring
between terminal "6"
on CR2 to terminal
"4" on CR1.
YES
YES
CONTINUED
ON NEXT
PAGE
Is there voltage from
terminal "4" on CR2 to
transformer neutral?
Is there voltage
at terminal 3 & 5
of fan motor?
NO
NO
Replace CR2.
Replace fan motor.
YES
YES
Correct wiring
between motor
terminal "5" and
Temp Control
Board terminal "1".
Correct wiring
between CR2
terminal "4" &
terminal "1" on
Temp Control
Board.
T054D
T054D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
45
Will Not Heat
Electric
Manual Timer (Sheet 2 of 2)
NO HEAT CONTINUED
Note: Voltage checks are referenced to
transformer neutral.
Is there voltage to the
input side of the
Cabinet Limit?
NO
Correct wiring
between Cabinet
Limit and Temp
Control Board.
YES
Is there voltage to the
output side of the
Cabinet Limit?
Do the elements
produce heat?
NO
Replace elements.
YES
NO
Replace the Cabinet
Limit.
NO
Correct wiring
between Stove limit
and Cabinet Limit.
NO
Replace the Stove
Limit.
UNIT
OPERATIONAL
YES
Is there voltage to the
input side of the Stove
Limit?
YES
Is there voltage to the
output side of the Stove
Limit?
YES
Is there voltage across
"HC1" & "HC2"
element contactor
coils?
NO
Correct wiring
between element
contactor coils and
stove limit.
YES
Is there votlage across
the elements?
NO
Check wiring
between elements,
contactors and
supply. Correct if
necessary.
YES
T055D
T055D
46
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Electric
Rotary Coin Drop (Sheet 1 of 2)
Single and stacked units with single and three
phase supply.
Note: Tests are conducted with unit running
and calling for heat.
All voltage checks are referenced to
transformer neutral.
Is there voltage on
"FS-2" of EDC control?
NO
Correct wiring
between "FS-2" and
COM of lint drawer.
YES
NO
Correct wiring
between terminal
"3" of fan motor
centrifugal switch
and terminal "4" of
motor control relay.
YES
Replace EDC
control.
Replace
thermistor.
NO
Is there voltage
on "FS-1" of
EDC control?
Is there voltage on
terminal "3" of fan
motor centrifugal
switch?
Is there voltage at
terminal "5" of fan
motor centrifugal
switch?
NO
Is the
thermistor
operational?
YES
Is there voltage on
COM of air flow
switch?
NO
Correct wiring
between COM of air
flow switch and
"FS-1" of EDC
control.
NO
Check for proper
function of air flow
switch and replace
if necessary.
Is there voltage to the
input side of the
cabinet limit?
NO
Correct wiring
between cabinet
limit and terminal
"5" of fan motor
centrifugal switch.
Is there voltage at the
output of the cabinet
limit?
NO
Replace cabinet
limit.
YES
NO
Correct wiring
between terminal 7
on motor control
relay and N.C.
terminal on air flow
switch.
YES
Is there voltage at
terminal"4" of motor
control relay?
YES
YES
YES
Is there voltage on
terminal "7" of motor
control relay?
Replace fan motor.
YES
YES
Is there voltage at
"N.C." terminal of air
flow switch?
NO
Is there voltage to the
input side of the stove
limit?
NO
Correct wiring
between stove limit
and cabinet limit.
YES
NO
Replace motor
control relay.
Continued on next
page.
YES
T034D
T034D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
47
Will Not Heat
Electric
Rotary Coin Drop (Sheet 2 of 2)
EDC No Heat
continued.
Is there voltage to the
output side of the stove
limit?
NO
Replace the stove
limit.
YES
Is there voltage across
coils "HC1" & "HC2"?
NO
Correct wiring to
the coils of "HC1"
and "HC2".
YES
Is there voltage across
the heating elements?
NO
Correct wiring
between elements
and supply. Replace
"HC1" and or "HC2"
if necessary
YES
Do the elements
produce heat?
NO
Replace elements.
YES
Unit operational.
T035D
T035D
48
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Electric
Rotary Coin Drop (with and without time delay board)
(Sheet 1 of 2)
Single & Stacked
Tumblers with and
without time delay.
Single and Three phase
uiits.
Is there voltage across
across terminals "1" &
"6" of the Temp
Control Board?
Is there voltage at Air
Flow Switch "N.C."
terminal to transformer
neutral?
NO
Is there voltage across
terminals "5" & "6" of
the Temp Control Bd?
Is there voltage at
COM on Switch "B" to
transformer neutral?
NO
Correct wiring
between air flow
switch and COM on
Switch "B".
YES
NO
Is the thermistor
shorted or open?
Adjust the Air Flow
Switch or replace if
inoperative.
YES
YES
YES
NO
YES
Replace thermistor.
Is there voltage from
"N.C." on Switch "B" to
transformer neutral?
NO
Replace Switch "B".
NO
YES
Is temperature
selection switch
shorted or open?
YES
Replace selection
switch.
YES
NO
Replace the
Temperature
Control Board.
Is there voltage
on terminal "3" of fan
motor to transformer
neutral?
Is the unit equipped
with a Time Delay
Board?
NO
NO
Correct wiring
between terminal
"3" of fan motor
and N.C. terminal
on Switch "B".
Is there voltage from
terminal "6" on CR2 to
transformer neutral?
NO
Correct wiring
between terminal "6"
on CR2 to terminal
"N.C." on Switch "B".
YES
YES
With fan motor
running is there voltage
from terminal "5" to
transformer neutral?
NO
Replace Fan Motor.
YES
Is there voltage on
terminal "1" of Temp
Board to transformer
neutral?
YES
CONTINUED
ON NEXT
PAGE
Is there voltage from
terminal "4" on CR2 to
transformer neutral?
NO
Replace CR2.
YES
NO
Correct wiring
between terminal
"1" of Temp Board
to terminal "5"
of fan motor.
Correct wiring
between terminal
"4" on CR2 &
terminal "1" on
Temp Control
Board.
Power supply to
Temp Control Board
is good.
T077D
T077D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
49
Will Not Heat
Electric
Rotary Coin Drop (with and without time delay board)
(Sheet 2 of 2)
NO HEAT CONTINUED
Note: Voltage checks are referenced to
transformer neutral.
Is there voltage to the
input side of the
Cabinet Limit?
NO
Correct wiring
between Cabinet
Limit and Temp
Control Board.
NO
Replace elements.
YES
YES
Is there voltage to the
output side of the
Cabinet Limit?
Do the elements
produce heat?
NO
Replace the
Cabinet Limit.
NO
Correct wiring
between Stove limit
and Cabinet Limit.
NO
Replace the Stove
Limit.
NO
Correct the wiring
to the coils.
UNIT
OPERATIONAL
YES
Is there voltage to the
input side of the Stove
Limit?
YES
Is there voltage to the
output side of the Stove
Limit?
YES
Is there voltage across
the coils of "HC1" &
"HC2"?
YES
Is there voltage across
the elements?
NO
Check the wiring
between elements,
contactors and
supply. Correct if
necessary.
YES
T078D
T078D
50
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Electric/Gas
OPL Microprocessor (Sheet 1 of 3)
Note: Testing conducted with unit running
and calling for heat.
Single and three phase supply.
Reference voltage to
transformer neutral
terminal "3".
Is there votlage at
YES
Continued on next
terminal "5" on OPL
page column 2.
Micro?
NO
Test conducted with unit
running and calling for heat.
Is the thermister
operating properly?
NO
Replace thermister.
Is there voltage across
terminals "2" & "3" of
transformer
secondary?
NO
Replace
transformer.
YES
Note: Reference voltage to
transformer secondary neutral
terminal "3".
Is there voltage to input
of secondary fuse?
NO
Correct wiring
between secondary
fuse and
transformer.
YES
YES
Reference voltage to
supply neutral.
Is power supplied to
unit?
NO
Connect supply and
run unit.
YES
NO
Replace secondary
fuse.
YES
Is there voltage to input
of primary fuse(s)?
NO
Correct wiring
between primary
fuse and supply.
YES
Is there voltage to
"N.O." terminal of door
switch?
NO
Correct wiring
between "N.O."
terminal of door
switch and
secondary fuse.
YES
Is there voltage to
output of primary
fuse(s)?
NO
Change primary
fuse.
YES
With door closed is
there voltage to "COM"
of door switch?
NO
Check for proper
operation, replace
door switch if
necessary.
YES
Is there voltage across
terminals "1" & "2" on
primary of
transformer?
YES
Is there voltage to
output of secondary
fuse?
NO
Correct wiring
between transformer
and primary fuse.
Is there voltage to
"N.O." of lint panel
switch?
NO
Correct wiring
between "N.O." of
lint panel switch
and "COM" of door
switch.
YES
Continued on next
page column 1.
T010D
T010D
70172201
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51
Will Not Heat
Electric/Gas
OPL Microprocessor (Sheet 2 of 3)
NO HEAT
Column 1
Column 2
Is there voltage to
"COM" of lint panel
switch with lint panel
closed?
NO
Check for proper
operation and
replace lint panel
switch if necessary.
The following tests are
conducted with the unit running
and calling for heat.
Is there voltage at
"COM" of air flow
switch?
YES
NO
Correct wiring
between "COM" &
OPL Micro.
YES
Is there voltage at
terminal "8" of OPL
Micro?
NO
Correct wiring
between terminal
"8" of OPL Micro
and "COM" of lint
panel switch.
Is there voltage at
"N.C." terminal of air
flow switch?
YES
NO
Check for proper
operation and
replace if
necessary.
YES
Is there voltage to
terminal "13" of OPL
Micro?
NO
Three phase
Replace OPL Micro.
YES
Is the unit supplied with
single phase or three
phase power?
single phase
Is there voltage at
terminal "6" of OPL
Micro?
NO
Correct wiring
between terminal
"6" & "13" on OPL
Micro.
Is there voltage at
terminal "7" of motor
control relay for "OM"
models or terminal "8"
for "RM" models?
NO
YES
Correct wiring
between terminal
"7/8" of motor
control relay and
"N.C." of air flow
switch.
YES
Replace OPL Micro.
Is there voltage at
terminal "4" of motor
control relay for "OM"
models or terminal "6"
for "RM" models?
Is there voltage to
terminal 14 on motor
control relay?
NO
YES
Correct wiring
between terminal
"14" on motor
control relay and
N.C. terminal of air
flow switch.
NO
Replace motor
control relay.
YES
Is there voltage at
terminal "3" of fan
motor centrifugal
switch?
NO
Correct wiring
between fan motor
centrifugal switch
and motor control
relay.
YES
Is there votlage across
terminals 14 & 13 of
motor control relay?
NO
Is there voltage at
terminal "5" of fan
motor centrifugal
switch?
NO
Replace fan motor.
YES
YES
Replace motor
control relay.
Continued on next
page.
T011D
T011D
52
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Electric/Gas
OPL Microprocessor (Sheet 3 of 3)
Continued from column 2 of
previous page.
Is there voltage to the
input of the cabinet
limit?
NO
Is there voltage to
terminal "1" of ICM
board?
Correct wiring
between cabinet
limit and terminal
"5" of fan motor
centrifugal switch.
NO
Replace ICM board.
YES
YES
Is there voltage across
the coils of the gas
valve?
Is there voltage to
output of cabinet limit?
NO
NO
Correct wiring to
gas valve coils.
NO
Replace the coils or
complete gas valve.
Replace cabinet
limit.
YES
YES
Is there gas flow
through the valve?
Is there voltage to input
of stove limit?
NO
Correct wiring
between stove limit
and cabinet limit.
YES
Is there a flame?
YES
YES
Unit is operational.
NO
Is there voltage to the
output side of the stove
limit?
NO
Replace stove limit.
Does the ignitor spark?
YES
Check gas
pressures and
adjust if necessary.
YES
NO
Is the unit equipped
with gas heat or
electric heat?
Replace igniter or
ignition cable.
ELECTRIC
GAS
Is there voltage across
HC1 & HC2 coils?
Is there voltage to
terminal "2" of ICM
board?
NO
Correct wiring
between ICM board
and stove limit.
NO
Correct the wiring
to the HC1 and/or
HC2 coils.
YES
Do the elements
produce heat?
YES
UNIT
OPERATIONAL.
NO
Correct wiring
between supply,
contacts and
elements. Replace
contactors and/or
elements if
necessary.
YES
T012D
T012D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
53
Will Not Heat
Gas
EDC Models (Sheet 1 of 2)
Single and stacked gas
units.
Note: Tests are conducted with unit
running and calling for heat.
All voltage checks are referenced
to transformer neutral.
Is there voltage on
"FS-2" of EDC control?
NO
Correct wiring
between "FS-2" and
COM of lint drawer.
YES
NO
Correct wiring
between terminal
"3" of fan motor
centrifugal switch
and terminal "4" of
motor control relay.
YES
Replace EDC
control.
Replace
thermistor.
Is there voltage
on "FS-1" of
EDC control?
Is there voltage on
terminal "3" of fan
motor centrifugal
switch?
Is there voltage across
terminals "3" & "5" of
fan motor centrifugal
switch?
NO
NO
Is the
thermistor
operational?
YES
Is there voltage on
COM of air flow
switch?
NO
Replace fan motor.
YES
Correct wiring
between COM of air
flow switch and
"FS-1" of EDC
control.
NO
Is there voltage to the
input side of the
cabinet limit?
NO
Correct wiring
between cabinet
limit and terminal
"5" of fan motor
centrifugal switch.
YES
YES
Is there voltage across
COM & "N.C." terminal
of air flow switch?
YES
YES
Check for proper
function of air flow
switch and replace
if necessary.
Is there voltage across
cabinet limit?
YES
Replace cabinet
limit.
NO
Correct wiring
between stove limit
and cabinet limit.
NO
NO
Is there voltage on
terminal "7" of motor
control relay?
NO
Correct wiring
between terminal
"7" on motor
control relay and
N.C. terminal on
air flow switch.
YES
Is there voltage across
terminals "7" & "4" of
motor control relay?
Is there voltage to the
input side of the stove
limit?
YES
YES
Replace motor
control relay.
Continued on next
page.
NO
T032D
T032D
54
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Gas
EDC Models (Sheet 2 of 2)
EDC No Heat
continued.
Is there voltage to the
output side of the stove
limit?
NO
Replace the stove
limit.
Is there a flame?
YES
Unit operational.
NO
YES
Is there voltage to
terminal "2" of the ICM
board?
NO
Correct wiring
between terminal
"2" of ICM board
and stove limit.
YES
Is there voltage at
terminal "1" of ICM
board?
NO
Replace ICM board.
YES
Is there voltage across
the coils of the gas
valve?
NO
Correct wiring
between gas valve
and ICM board.
NO
Replace gas valve
coils or complete
gas valve.
NO
Replace high
voltage ignition
cable or igniter.
YES
Is there gas flow
through the gas valve?
YES
Does the igniter spark?
YES
T033D
T033D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
55
Will Not Heat
Gas
Manual Timer (Sheet 1 of 2)
NOTE: The following tests are conducted with
the Heat Timer in the "ON" position with the
machine running and calling for heat. Voltage
checks are referenced to transformer neutral.
Is there voltage across
terminals "1" & "6" of
the Temp Control Bd?
Single and stacked units with and without time
delayboards.
Is there voltage at Air
Flow Switch (AFS)
"N.C." terminal to
transformer neutral?
NO
Replace inoperative
switch or correct air
flow vane operation.
YES
YES
YES
NO
Is there voltage at
terminal "6" on CR1 to
transformer neutral?
Is there voltage across
terminals "5" & "6" of
the Temp Control Bd?
NO
Correct wiring
between A.F.S. and
terminal "6" on CR1.
YES
NO
Is there voltage from
terminal "4" on CR1 to
transformer neutral?
Is the thermistor
shorted or open?
YES
Replace thermistor.
NO
YES
NO
Replace selection
switch.
NO
Is there
voltage to
terminal 3 of
fan motor?
NO
Correct wiring
between fan motor
terminal 3 and CR1
terminal 4.
Is there voltage
across terminal
3 & 5 of fan
motor?
YES
NO
Correct wiring
between terminal "6"
on CR2 to terminal
"4" on CR1.
YES
Is there voltage from
terminal "4" on CR2 to
transformer neutral?
YES
CONTINUED
ON NEXT
PAGE
Is unit equipped with
time delay board?
Is there voltage from
terminal "6" on CR2 to
transformer neutral?
Replace the
Temperature
Control Board.
Replace CR1.
YES
YES
Is the temperature
selection switch
shorted or open?
NO
NO
Replace CR2.
YES
Replace fan motor.
Correct wiring
between CR2
terminal "4" &
terminal "1" on
Temp Control
Board.
NO
Correct wiring
between motor
terminal 5 and
Temp Control Board
terminal 1.
T044D
T044D
56
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Gas
Manual Timer (Sheet 2 of 2)
NO HEAT CONTINUED
Note: Voltage checks are referenced to
transformer neutral.
Is there voltage to the
input side of the
Cabinet Limit?
NO
Correct wiring
between Cabinet
Limit and Temp
Control Board.
Is there voltage across
the coils of the gas
valve?
NO
Replace the Cabinet
Limit.
Is there gas flow
through the gas valve?
NO
Correct wiring
between Stove limit
and Cabinet Limit.
Does the igniter spark?
YES
Is there voltage to the
output side of the Stove
Limit?
NO
Replace gas valve
or gas valve coils.
NO
Replace high
voltage cable or
igniter.
YES
YES
Is there voltage to the
input side of the Stove
Limit?
Correct wiring
between gas valve
and ICM board.
YES
YES
Is there voltage to the
output side of the
Cabinet Limit?
NO
YES
NO
Replace the Stove
Limit.
YES
NO
Is there a flame?
YES
UNIT OPERATIONAL
Is there voltage across
terminals "2" & "3" of
ICM board?
NO
Correct wiring
betwee ICM board
and Stove limit.
YES
Is there voltage across
terminals "1" & "3" of
the ICM board?
NO
Replace ICM board
YES
T045D
T045D
70172201
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57
Will Not Heat
Gas
Rotary Coin Drop (Sheet 1 of 2)
Single & Stacked
Tumblers with
and without time delay.
Is there voltage across
terminals "1" & "6" of
the Temp Control Bd?
Is there voltage at Air
Flow Switch "N.C."
terminal to transformer
neutral?
NO
Is there voltage across
terminals "5" & "6" of
the Temp Control Bd?
Is there voltage at
COM on Switch "B" to
transformer neutral?
NO
Correct wiring
between air flow
switch and COM on
Switch "B".
YES
NO
Is the thermistor
shorted or open?
Replace inoperative
switch or correct air
flow vane operation.
YES
YES
YES
NO
YES
Replace thermistor.
Is there voltage from
"N.C." on Switch "B" to
transformer neutral?
NO
Replace Switch "B".
NO
YES
Is temperature
selection switch
shorted or open?
YES
Replace selection
switch.
YES
NO
Replace the
Temperature
Control Board.
Is there voltage on
terminal "3" of fan motor
to transformer
neutral?
Is the unit equipped
with a Time Delay
Board?
NO
NO
Correct wiring
between terminal
"3" of fan motor
and "N.C." terminal
on switch "B".
Is there voltage from
terminal "6" on CR2 to
transformer neutral?
NO
Correct wiring
between terminal "6"
on CR2 to terminal
"N.C." on Switch "B".
YES
YES
With fan motor
running is there voltage
from terminal "5" to
transformer
neutral?
NO
Replace Fan Motor.
YES
Is there voltage on
terminal "1" of Temp
Board to transformer
neutral?
YES
CONTINUED
ON NEXT
PAGE
Is there voltage from
terminal "4" on CR2 to
transformer neutral?
NO
Replace CR2.
YES
NO
Correct wiring
between terminal
"1" of Temp Board
to terminal "5"
of fan motor.
Correct wiring
between terminal
"4" on CR2 &
terminal "1" on
Temp Control
Board.
Power supply to
Temp Control
Board is good.
T090D
T090D
58
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Gas
Rotary Coin Drop (Sheet 2 of 2)
NO HEAT CONTINUED
Note: Voltage checks are referenced to
transformer neutral.
Is there voltage to the
input side of the
Cabinet Limit?
NO
Correct wiring
between Cabinet
Limit and Temp
Control Board.
Is there voltage across
the coils of the gas
valve?
YES
Is there voltage to the
output side of the
Cabinet Limit?
NO
Replace the
Cabinet Limit.
Is there gas flow
through the gas valve?
NO
Correct wiring
between Stove limit
and Cabinet Limit.
Replace gas valve
coils or complete
gas valve.
Does the igniter spark?
NO
Replace high
voltage ignition
cable or igniter.
YES
NO
Replace the Stove
Limit.
NO
Is there a flame?
YES
YES
Is there voltage across
terminals "2" & "3" of
the ICM Board?
NO
YES
YES
Is there voltage to the
output side of the Stove
Limit?
Correct wiring
between gas valve
and ICM Board.
YES
YES
Is there voltage to the
input side of the Stove
Limit?
NO
NO
Correct wiring
between ICM
board and Stove
Limit or neutral.
UNIT
OPERATIONAL
YES
Is there voltage across
terminals "1" & "3" of
the ICM Board?
NO
Replace the ICM
Board.
YES
T091D
T091D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
59
Will Not Heat
Steam
EDC Models (Sheet 1 of 2)
Single and Stacked
units.
Note: Tests are conducted with unit running
and calling for heat.
All voltage checks are referenced to
transformer neutral.
Is there voltage on
“FS-2” of EDC control?
Correct wiring
between “FS-2” and
COM of lint drawer.
NO
NO
Correct wiring
between terminal “3”
of fan motor
centrifugal switch
and terminal “4” of
motor control relay.
YES
YES
Replace EDC
control.
Replace
thermistor.
Is there voltage
on “FS-1” of
EDC control?
Is there voltage on
terminal “3” of fan
motor centrifugal
switch?
NO
NO
Is there voltage across
terminals “3” & “5” of
fan motor centrifugal
switch?
Is the
thermistor
operational?
YES
Is there voltage on
COM of Airflow
switch?
NO
YES
Replace fan motor.
YES
NO
Correct wiring
between COM of
Airflow switch and
“FS-1” of EDC
control.
Is there voltage to the
input side of the
cabinet limit?
NO
Correct wiring
between cabinet
limit and terminal “5”
of fan motor
centrifugal switch.
YES
YES
Is there voltage across
COM & “N.C.” terminal
of Airflow switch?
YES
Check for proper
function of Airflow
switch and replace if
necessary.
Is there voltage across
cabinet limit?
YES
Replace cabinet
limit.
NO
Correct wiring
between stove limit
and cabinet limit.
NO
NO
Is there voltage on
terminal “7” of motor
control relay?
NO
Correct wiring
between terminal 7
on motor control
relay and N.C.
terminal on Airflow
switch.
Is there voltage to the
input side of the stove
limit?
YES
YES
Is there voltage across
terminals “7” & “4” of
motor control relay?
YES
Replace motor
control relay.
Continued on next
page.
NO
T096D
T096D
60
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Steam
EDC Models (Sheet 2 of 2)
Is there voltage to the
output side of the stove
limit?
NO
Replace the stove
limit.
NO
Correct wiring to
steam valve coil.
NO
Repair or replace
steam valve.
NO
Check for proper
steam supply.
Correct if necessary.
YES
Is there voltage across
steam valve coil?
YES
Does steam valve
operate properly?
YES
Is heat produced?
YES
Unit operational.
T097D
T097D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
61
Will Not Heat
Steam
Manual Timer (Sheet 1 of 2)
Single and stacked units with and without time
delayboards, manual timers.
NOTE: The following tests are conducted with
the Heat Timer in the "ON" position with the
machine running and calling for heat. Voltage
checks are referenced to transformer neutral.
Is there voltage across
terminals "1" & "6" of
the Temp Control Bd?
Is there voltage at Air
Flow Switch "N.C."
terminal to transformer
neutral?
NO
YES
YES
NO
Adjust the Air Flow
Switch or replace if
inoperative.
NO
Correct wiring
between A.F.S. and
terminal "6" on CR1.
YES
Is there voltage at
terminal "6" on CR1 to
transformer neutral?
Is there voltage across
terminals "5" & "6" of
the Temp Control Bd?
YES
NO
Is there voltage from
terminal "4" on CR1 to
transformer neutral?
Is the thermistor
shorted or open?
YES
YES
YES
YES
NO
Replace selection
switch.
NO
Is there
voltage to
terminal "3" of
fan motor?
NO
Correct wiring
between fan motor
terminal "3" and
CR1 terminal "4".
Is there voltage
across terminal
"3" & "5" of fan
motor?
NO
Correct wiring
between terminal "6"
on CR2 to terminal
"4" on CR1.
YES
Is there voltage from
terminal "4" on CR2 to
transformer neutral?
YES
CONTINUED
ON NEXT
PAGE
Is unit equipped with
time delay board?
Is there voltage from
terminal "6" on CR2 to
transformer neutral?
Replace the
Temperature
Control Board.
Replace CR1.
Replace thermistor.
NO
Is temperature
selection switch
shorted or open?
NO
NO
Replace CR2.
YES
YES
Replace fan motor.
Correct wiring
between CR2
terminal "4" &
terminal "1" on
Temp Control
Board.
NO
Correct wiring
between motor
terminal "5" and
Temp Control
Board terminal "1".
T019D
T019D
62
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Steam
Manual Timer (Sheet 2 of 2)
NO HEAT CONTINUED
Note: Voltage checks are referenced to
transformer neutral.
Is there voltage to the
input side of the
Cabinet Limit?
NO
Correct wiring
between Cabinet
Limit and Temp
Control Board.
YES
Is heat produced?
NO
Check for proper
steam supply.
Correct if necessary.
YES
UNIT OPERATIONAL
Is there voltage to the
output side of the
Cabinet Limit?
NO
Replace the Cabinet
Limit.
NO
Correct wiring
between Stove limit
and Cabinet Limit.
NO
Replace the Stove
Limit.
NO
Correct wiring to
the steam valve.
NO
Replace steam
valve.
YES
Is there voltage to the
input side of the Stove
Limit?
YES
Is there voltage to the
output side of the Stove
Limit?
YES
Is there voltage across
the coil of the steam
valve?
YES
Do the steam valves
operate properly?
YES
T020D
T020D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
63
Will Not Heat
Steam
OPL Microprocessor (Sheet 1 of 3)
Testing conducted with unit
running and calling for heat.
Reference voltage to
transformer neutral
terminal "3".
Is there votlage at
terminal "5" on OPL
Micro?
YES
Continued on next
page column 2.
Is there voltage across
terminals "2" & "3" of
transformer
secondary?
NO
Replace
transformer.
YES
NO
Note: Reference voltage to
transformer secondary neutral
terminal "3".
Is the thermister
operating properly?
NO
Replace thermister.
Is there voltage to input
of secondary fuse?
NO
Correct wiring
between secondary
fuse and
transformer.
YES
YES
Reference voltage to
supply neutral.
Is power supplied to
unit?
NO
Connect supply
and run unit.
NO
Replace secondary
fuse.
YES
YES
Is there voltage to input
of primary fuse(s)?
NO
Correct wiring
between primary
fuse and supply.
Is there voltage to
"N.O" terminal of door
switch?
NO
Correct wiring
between "N.O."
terminal of door
switch and
secondary fuse.
YES
YES
Is there voltage to
output of primary
fuse(s)?
NO
Change primary
fuse.
With door closed is
there voltage to "COM"
of door switch?
NO
Check for proper
operation, replace
door switch if
necessary.
YES
YES
Is there voltage across
terminals "1" & "2" on
primary of
transformer?
YES
Is there voltage to
output of secondary
fuse?
NO
Correct wiring
between transformer
and primary fuse.
Is there voltage to
"N.O." of lint panel
switch?
NO
Correct wiring
between "N.O." of
lint panel switch
and "COM" of door
switch.
YES
Continued on next
page column 1.
T003D
T003D
64
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Steam
OPL Microprocessor (Sheet 2 of 3)
NO HEAT
Column 1
Column 2
Is there voltage to
"COM" of lint panel
switch with lint panel
closed?
NO
Check for proper
operation and
replace lint panel
switch if necessary.
The following tests are
conducted with the unit running
and calling for heat.
Is there voltage at
"COM" of air flow
switch?
YES
NO
Correct wiring
between "COM" &
OPL Micro.
NO
Check for proper
oprerationand
replace if necessary.
YES
Is there voltage at
terminal "8" of OPL
Micro?
NO
Correct wiring
between terminal
"8" of OPL Micro
and "COM" of lint
panel switch.
Is there voltage at
"N.C." terminal of air
flow switch?
YES
YES
Is there voltage to
terminal "13" of OPL
Micro?
NO
Three phase
Replace OPL Micro.
YES
Is the unit supplied with
single phase or three
phase power?
Single phase
Is there voltage at
terminal "6" of OPL
Micro?
NO
Correct wiring
between terminal
"6" & "13" on OPL
Micro.
Is there voltage at
terminal "7" of motor
control relay ?
NO
Correct wiring
between terminal
"7" of motor control
relay and "N.C." of
air flow switch.
YES
YES
Replace OPL Micro.
Is there voltage at
terminal "4" of motor
control relay?
Is there voltage to
terminal 14 on motor
control relay?
NO
YES
Correct wiring
between terminal 14
on motor control
relay and N.C.
terminal of air flow
switch.
NO
Replace motor
control relay.
YES
Is there voltage at
terminal "3" of fan
motor centrifugal
switch?
NO
Correct wiring
between fan motor
centrifugal switch
and motor control
relay.
YES
Is there votlage to
terminal 13 of motor
control relay?
YES
Is there voltage at
terminal "5" of fan
motor centrifugal
switch?
NO
Replace fan motor.
NO
YES
Replace motor
control relay.
Continued on next
page.
T004D
T004D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
65
Will Not Heat
Steam
OPL Microprocessor (Sheet 3 of 3)
Continued from column 2 of
previous page.
Is there voltage to the
input of the cabinet
limit?
NO
Correct wiring
between cabinet
limit and terminal "5"
of fan motor
centrifugal switch.
YES
Is heat produced?
NO
Check for proper
steam supply.
Correct if necessary.
YES
UNIT
OPERATIONAL.
Is there voltage to
output of cabinet limit?
NO
Replace cabinet
limit.
YES
Is there voltage to input
of stove limit?
NO
Correct wiring
between stove limit
and cabinet limit.
YES
Is there voltage to the
output side of the stove
limit?
NO
Replace stove limit.
YES
Is there voltage across
steam valve coil?
NO
Correct wiring to
steam valve coil.
NO
Replace steam
valve.
YES
Does the steam valve
operate properly?
YES
T005D
T005D
66
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201
Will Not Heat
Steam
Rotary Coin Drop (Sheet 1 of 2)
Single & Stacked
Tumblers with
and without time delay.
Is there voltage across
terminals "1" & "6" of
the Temp Control
Board?
Is there voltage at Air
Flow Switch "N.C."
terminal to transformer
neutral?
NO
Is there voltage across
terminals "5" & "6" of
the Temp Control
Board?
Is there voltage at
COM on Switch "B" to
transformer neutral?
NO
Correct wiring
between A.F.S. and
COM on Switch "B".
YES
NO
Is the thermistor
shorted or open?
Adjust the Air Flow
Switch or replace if
inoperative.
YES
YES
YES
NO
YES
Replace thermistor.
Is there voltage from
"N.C." on Switch "B" to
transformer neutral?
NO
Replace Switch "B".
NO
YES
Is temerature
selection switch
shorted or open?
YES
Replace selection
switch.
YES
NO
Replace the
Temperature
Control Board.
Is there voltage on
terminal "3" of fan motor to
transformer neutral?
Is the unit equipped
with a Time Delay
Board?
NO
NO
Correct wiring
between terminal
"3" of fan motor
and N.C. terminal
on switch B.
Is there voltage from
terminal "6" on CR2 to
transformer neutral?
NO
Correct wiring
between terminal "6"
on CR2 to terminal
"N.C." on Switch "B".
YES
YES
With fan motor
running is there voltage
from terminal "5" to
transformer
neutral?
NO
Replace Fan Motor.
YES
Is there voltage on
terminal "1"of Temp
Board to transformer
neutral?
YES
CONTINUED
ON NEXT
PAGE
Is there voltage from
terminal "4" on CR2 to
transformer neutral?
NO
Replace CR2.
YES
NO
Correct wiring
between terminal
"1" of Temp Board
to terminal "5" of
fan motor.
Correct wiring
between terminal
"4" on CR2 &
terminal "1" on
Temp Control
Board.
Power supply to
Temp Control
Board is good.
T066D
T066D
70172201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
67
Will Not Heat
Steam
Rotary Coin Drop (Sheet 2 of 2)
NO HEAT CONTINUED
Note: Voltage checks are referenced to
transformer neutral.
Is there voltage to the
input side of the
Cabinet Limit?
NO
Correct wiring
between Cabinet
Limit and Temp
Control Board.
NO
Check for proper
steam supply.
Correct if necessary.
YES
YES
Is there voltage to the
output side of the
Cabinet Limit?
Is heat produced?
NO
Replace the Cabinet
Limit.
NO
Correct wiring
between Stove limit
and Cabinet Limit.
NO
Replace the Stove
Limit.
NO
Correct wiring to
steam valve
NO
Replace steam
valve.
UNIT
OPERATIONAL
YES
Is there voltage to the
input side of the Stove
Limit?
YES
Is there voltage to the
output side of the Stove
Limit?
YES
Is there voltage across
coil of steam valve?
YES
Does the steam valve
operate properly?
YES
T067D
T067D
68
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
70172201