Download Amana ALW480DA Top Load Washer

Amana Domestic Washer Technical Information
120 V, 60 Hz Models
ALW480DA*
PALW480DA*
•Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or
repair of this unit.
•Refer to Service Manual RS3100007 for detailed installation, operating, testing, troubleshooting, and disassembly
instructions.
•Refer to Parts Manual RP3100017 for part number information.
!
CAUTION
All safety information must be followed as provided in this Technical Sheet and in Service Manual RS3100007.
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to unit and discharge capacitor
before servicing, unless testing requires it.
Models
Power Source
Voltage AC
Amperage (Single Unit)
Frequency
Motor horsepower
Receptacle
Plug
Dimensions
Cabinet
Height− overall
Height of cabinet
Width
Depth
Clearance− washer lid
Weight
Crated
March 2001
ALW480DA*
120 VAC
10 A
60 Hz
1/2
6-20R
6-20P
43”
36”
27”
28”
17 1/2”
193 lbs.
Models
Wash cycles
Water temperatures
Water level
Features
Steady Spin Balance System
Self-cleaning lint filter
Self-adjusting rear leveling legs
210 Agitation stroke
Tri− Action wash system
Fabric softener dispenser
Extra rinse
Motor speed
Spin speed (revolutions per minute)
Agitation speed (strokes per minute)
High
Medium
1
ALW480DA*
12
4
Variable
X
X
X
X
X
X
X
2 speed
640 / 427 rpm
69 spm
46 spm
RT3100007 Rev. 1
Component Testing Information
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
Illustration
40046601
Component
Temperature switch
2
1
40097701
Mixing valve
40073801
Timer
Results
>1 Ω
L1-2      
L1-1, L1-2, L2-2
L2-1, L2-L1, 1-2 
Warm / Cold
L1-1, L1-2, 1-2  
Cold / Cold
L1-1      
Measure resistance of terminals on
each valve.
Resistance across each valve.
Approximately 1000 Ω ± 10%
Verify input and output voltage is
present.
See timing sequence chart for functional
description of the component.
Hot / Cold
Warm / Warm
L2
L1
Test Procedure
Disconnect wires from component to
properly measure the resistance of the
component.
Place switch in the following positions
and measure across the terminals
below:
>1 Ω
>1 Ω
>1 Ω
Verify wiring is correctly connected to
the timer.
40055101
Pressure switch
2
1
3
40035001
R0000014
Lid switch− SPST
Brake pad kit
Do not disconnect the pressure hose
from pressure switch to perform
measurements.
Measure resistance across the
following terminals on the pressure
switch:
Terminal 1 to 2
Terminal 1 to 3
Disconnect wire terminals from switch.
Test terminals with switch closed.
Test terminals with switch open.
If washtub does not stop spinning
within seven seconds after opening
loading door.
If brake pads make noises.
038424W
RT3100007 Rev. 1
Rocker switch
(Extra Rinse)
Measure resistance of switch
positions:
Closed (ON position)
Open (OFF position)
2
Refer to wiring diagram/schematic for
correct contacts.
Air pressure that actuates switch is
determined by the water level of the
tub.
Continuity (no pressure)
Continuity (pressure)
Continuity
Infinite
>1 Ω
1 MΩ
Replace all three brake pads.
Apply a thin layer of silicone (26594P)
on pads, see Service Bulletin
“ASQ− 213− B”
Continuity
Infinite
>1 Ω
1 MΩ
March 2001
Component Testing Information
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
Illustration
40095003
Component
Motor
Test Procedure
Type of motor:
Two speed
Results
See following section “Internal Motor
Diagram and Schematic” for correct
wiring contacts.
40040301
Drain pump
Verify drain pump is not clogged or
damaged.
Remove clog and verify proper operation.
Replace drain pump if damaged.
40065301
Transmission
assembly
Type of transmission:
640 rpm
Externally identical, must be identified by
part number.
If transmission locks-up, replace.
40053602
Drive belt
Type of drive belt:
640 rpm
Refer to “Parts Manual”, to verify which
drive belt and pulley size is required.
Refer to “Parts Manual” for proper
pulley size.
40098701
Power Cord
Measure resistance of wires.
Continuity should be indicated on each
wire.
Verify polarity and grounding.
March 2001
3
RT3100007 Rev. 1
Internal Motor Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
One or Two Speed Motors
Continuity exists between switch
terminal R and Red wire.
Start
Terminals
YES
Manually depress actuator.
Continuity broken between
switch terminal R and Red wire.
YES
Continuity exists between switch
terminal P and Red wire.
High Speed
Terminals
Low Speed
Terminals
NO
NO
Inoperative start switch.
Replace switch.
NO
YES
Manually depress actuator.
Continuity broken between
switch terminal P and Red wire.
YES
Continuity broken between
switch terminal P and Violet wire.
NO
Inoperative high speed
switch. Replace switch.
NO
YES
Manually depress actuator.
Continuity exists between switch
terminal P and Violet wire.
YES
NO
Inoperative low speed
switch. Replace switch.
Motor switch checks OK.
Start
Winding
4-5 ohms between Brown wire
and Red wire.
NO
Inoperative start winding.
Replace motor.
NO
Inoperative high speed winding.
Replace motor.
NO
Inoperative low speed winding.
Replace motor.
NO
Inoperative common lead.
Replace motor.
YES
High Speed
Winding
1-2 ohms between Blue wire and
Yellow wire.
YES
Low Speed
Winding
1-2 ohms between Yellow wire
and Violet wire.
YES
Protector
Continuity exists between Yellow
wire and White wire.
YES
All motor windings checks OK.
RT3100007 Rev. 1
4
March 2001
Internal Motor Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
BR
W
BU
Y
P
R
Wire harness
connection
block
White
Brown
Yellow
Red
Blue
G
P
W
R
White
RUN
BR
BU
Y
START
Violet
Red
Violet
Blue
Brown
Yellow
4P M
Yellow
Overload
protector
6P M
Aux.
Motor Assembly
(two speed motor)
March 2001
5
RT3100007 Rev. 1
RT3100007 Rev. 1
TM
6
18
16
6
8
10
11
14
5
LO
EX
TM
K
F
G
A
4
17
LO
BP
TM
PS
15
3
19
22
24
21
20
BLU
VLT
BRN
BLK
18 GA.
BLU/WHT
WHT/BLK
PNK
PNK
WHT/RED
GRY/BLK
PNK/BLU
PNK/BLU
WHT/BLK
GRY
BLK/PNK
RED
BLU/BLK
RED/BLK
24 PIN
HOUSING
GROUND TO
TOP
WHT
GRN
1A EXTRA RINSE
SWITCH
1
N.O.
4 POSITION
TEMP. SWITCH
ORG
CONNECTOR
L2 1
L1 2
2
3
COM.
PNK/BLU
ORG
GRY
WHT/RED
GRN/YEL
9
1
3
2
POWER
CORD
PNK
7
BLU
6
VLT
5
BRN
4
WHT
8
RIDGE OR TINNED TERMINAL = NEUTRAL
LID
SWITCH
PRESSURE
SWITCH
1
GROUND
TO TOP
9
7
6
5
4
8
1
3
2
WHT/RED
PNK
BLU
VLT
BRN
WHT
5
8
3
7
1
6
4
5
8
3
7
1
6
4
RED NATURAL
MOTOR
HOUSING
GRY
ORG
WHT/RED
GRN/YEL
GRN/YEL
PLUG
RECEPTACLE
!
L
P
V
W
R
H
TIMER
CONNECTION DIAGRAM
GROUND TO
CABINET
MIXING VALVE
HOT COLD
Wiring Diagram and Schematic
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
WARNING
March 2001
Wiring Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
SCHEMATIC
L1
N
120 VOLTS A.C. 60 HZ
A
EX
PS
A
BP
EXTRA RINSE SWITCH
PRESSURE SWITCH
MIXING VALVE
COLD
3
1
2
HOT
P
LID
SWITCH
4 POSITION WATER
TEMP. SWITCH
HOT
COLD
WARM
WARM
WARM
COLD
COLD
COLD
L1-2
N.O.
L1-L2-1-2
V
H
L1-1-2
R
W
4 POSITION
L1
WATER TEMP.
SWITCH
L2
L1-1
SPRAY RINSES = COLD
TM
LO
LO
1
2
TM
HI
3
MOTOR
HIGH
K
TIMER
MOTOR
LOW
7
F
4
1
L
START
6
TP
AGITATE
K
SPIN
G
8
L
INDICATES INTERNAL
TIMER BUSS
March 2001
7
RT3100007 Rev. 1
Timer Cycle Chart
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
WATER
TEMPERATURE
SELECT
MOTOR
SPEED
CYCLE TIME
hh:mm:ss
hot, warm, & cold
hot, warm, & cold
-
S
S
0:02:22
0:12:04
0:02:51
0:17:17
-
-
0:03:43
PREWASH
Fill & Agitate
Pause
Spin
Pause
hot, warm, & cold
-
F
S
-
0:05:04
0:00:29
0:02:31
0:00:29
0:08:33
REGULAR
Wash: Fill & Agitate
Pause
Spin
Spin & Spray
Spin
Pause
Rinse: Fill & Agitate
Pause
Spin
hot, warm, & cold
cold
warm, & cold
-
F
F
F
F
F
F
0:14:04
0:00:29
0:02:38
0:00:27
0:02:26
0:00:29
0:02:31
0:00:29
0:05:31
0:29:04
CYCLE / FUNCTION
SOAK
Fill & Agitate
Soak
Spin
OFF
Pause for Extra Rinse
Rinse: Fill & Agitate
Pause
Spin
warm, & cold
-
F
F
0:00:32
0:02:28
0:00:29
0:05:44
0:09:13
-
-
0:03:43
PERMANENT
PRESS/KNITS
Wash: Fill & Agitate
Pause
hot, warm, & cold
-
F
-
0:08:04
0:00:29
Spin
Spin & Spray
Spin
Pause
Rinse: Fill & Agitate
Pause
Spin
cold
warm, & cold
-
S
S
S
F
F
0:02:38
0:00:27
0:02:26
0:00:29
0:02:31
0:00:29
0:05:31
0:23:04
Pause for Extra Rinse
Rinse: Fill & Agitate
Pause
Spin
warm, & cold
-
F
F
0:00:32
0:02:28
0:00:29
0:05:44
0:09:13
OFF
WATER
TEMPERATURE
SELECT
MOTOR
SPEED
CYCLE TIME
hh:mm:ss
hot, warm, & cold
hot, warm, & cold
hot, warm, & cold
hot, warm, & cold
hot, warm, & cold
hot, warm, & cold
hot, warm, & cold
-
S
S
S
S
0:02:11
0:00:27
0:02:33
0:00:27
0:02:33
0:00:27
0:02:55
0:02:38
Spin & Spray
Spin
Pause
Rinse: Fill & Agitate
Pause
Spin
cold
cold
-
S
S
S
S
0:00:27
0:02:26
0:00:29
0:02:31
0:00:29
0:02:31
0:23:04
Pause for Extra Rinse
Rinse: Fill & Agitate
Pause
Spin
cold
-
S
S
0:00:32
0:02:28
0:00:29
0:02:44
0:06:13
-
-
0:03:43
hot, warm, & cold
cold
warm, & cold
-
F
F
F
F
F
F
0:05:04
0:00:29
0:02:38
0:00:27
0:02:26
0:00:29
0:02:31
0:00:29
0:02:44
CYCLE / FUNCTION
DELICATE
Wash: Fill & Soak
Agitate
Soak
Agitate
Soak
Agitate
Soak
Spin
OFF
Quick Wash
Wash: Fill & Agitate
Pause
Spin
Spin & Spray
Spin
Pause
Rinse: Fill & Agitate
Pause
Spin
0:17:17
OFF
RT3100007 Rev. 1
-
OFF
-
-
0:03:43
0:03:43
8
March 2001