Download Service Manual

Front Load Washing Machine
FRONT LOAD
Model:HW-C70TVE SERIES
WASHING MACHINE
Service Manual
Suited model:
HW-C1270TVE-U
HW-C1470TVE-U
HW-C1270TVEME-U
HW-C1470TVEME-U
Features：
●300mm diameter porthole, door may be open at a 180 degrees.
●Class-A energy-saving;Class-A Washing performance,Homocentric tubs with higher
energy efficiency
●Multi-gear speed controller
●Unique gasket design featuring no residual water hidden inside
●Delay time adjustive
●Large wash load capacity 7kg
Serial Number: SM HW-C70TVE SERIES
Version:00.01
Edition: 2008-03-12
Front Load Washing Machine
Model:HW-C70TVE SERIES
1、Contents---------------------------------------------------------------------------------------1
2、Features --------------------------------------------------------------------------------------2
3、Sale points------------------------------------------------------------------------------------2
4、Specification ---------------------------------------------------------------------------------3
5、Safety------------------------------------------------------------------------------------------5
6、Installation ------------------------------------------------------------------------------------8
7、Net dimension -------------------------------------------------------------------------------11
8、Names of the parts-------------------------------------------------------------------------12
9、Operational Functions---------------------------------------------------------------------13
10、Trouble shooting--------------------------------------------------------------------------16
11、Wiring circuit -------------------------------------------------------------------------------26
１
Front Load Washing Machine
Model:HW-C70TVE SERIES
FEATURES
●300mm diameter porthole, door may be open at a 180 degrees.
Facilitate view of wash process, facilitate unloading and easy to use with large port.
● Class A energy-saving,Class A washing performance
Scientific design for tub can reduce the use of water heavy during washing, consequently upgrade the energy
efficiency class to A,also use scientific washing
●Multi-gear speed controller
According to different costuming，you can select corresponding spin speed，from 400 to 1000 rpm.
●Unique gasket design featuring no residual water hidden inside.
By the unique gasket，washing machine can left no residual water hidden between outer drum and front board.
●Delay time adjustive.
According to different costuming，you can select delay time，from 0.5h to 24h.
Sale points
One sentence for simplicity：
Tight machine body without any wasting places
Three sentences for convenience:
I.
Choose from 11 programs, convenient uses to provide you much benefit
II.
Front-Load structured to ensure placing clothes much more facility
III.
Humanistic design for control panel to help expedient operation
Five sentences for tech-support:
I.
No need to be worried because of the function of intelligent-memory
II.
Satisfied to encourage children’s curiosity because of the child-lock
III.
Perish your trouble because of the alarm to the fault
IV.
Make you happy because of quick-wash in 29 mins
V.
Reassure for you because of the 24hours pre-wash which may offer you washing anywhere and
anytime.
２
Front Load Washing Machine
Model:HW-C70TVE SERIES
SPECIFICATION
1.
2.
3.
4.
Proposal
Front loaders washing machines
Product identification
Description of appliance
Type of appliance
(FS = standing, BI = built-in)
Supplier own brand
Supplier bar code
Mares computer code
Commercial
Brand / Model
Commercial bar code
Key-Features
Energy efficiency class
Washing performance class
Spin efficiency class
Programs
Capacity
Spin speed
(max. / optional)
Noise level(spin)
Energy consumption per wash circle *
Water consumption*
Residual dampness
(spin result)
Spin speed selector switch
(steps)
Spin speed variator
(stepless)
Adjustable thermostat
(water temp. adjust from - to)
Drum capacity
dry laundry / water
Auto water level adjust (depending on volume of filled in laundry)
Washing time (max.)
Washing temperatures
(program-controlled)
Certification's (CE / ISO 9001 / ISO 9002)
Approvals (VDE/GS / TÜV/GS / IMQ)
* EN 60456 (60°C cycle, full load without pre-wash)
= COLD
Basics data
Unit dimensions
(H x W x D)
Net weight
Voltage/frequency
Input power / main fuse (intensity)
Work top / removable
Control
M = electromechanical, E = electronic, F = fuzzy
Inner cylinder
S = stainless steel / Z = zinc coated
Outer cylinder
P = Plastic / S = stainless steel
Door:
aesthetic
(R = round, Y = big eye, Q = square)
Diameter
Outer door frame S= stainless steel / M = metal / P = plastic
Inner door
G= glass / P= plastic
Detergent compartments
Removable compartment for liquid detergent
Delay timer (from - to)
Self cleaning suds pump
Water inlet hose
cold water / hot water
Water drain
hose / -support
Adjustable feet
Safety systems
Auto door lock
Motor overheating protection
No heating without water
Auto water cool-down (before drain 90°C boiled water)
ACQUA Stop kit
Child protection
３
2008
New Sensor
HW-C70TVE SERIES
Washing machine
FS
EAN
EAN
n°
kg
rpm
dB(A)
kWh
l
%
rpm
rpm
°C
kg / l
AWL
min
°C
cm
kg
V/Hz
W/A
A
A
B
11
7
1400/1200-400
70.9
1.05
51
50%
90/60/50/40/30
7/51
178
30 - 90
CE / ISO 9001
TÜV
84 x 59,5 x 61
72
220-240V~50Hz
2000/10
-/
E
S
P
h
Y
30
P
G
3
0.5-24
n°
//
4
cm
n°
ADL
MOP
NHW
AWC
-
Front Load Washing Machine
Model:HW-C70TVE SERIES
Programs
1) Strong action /cotton cycles
2) Normal action / synthetics
3) Delicate action / wool cycles
Pre-wash / wash
Quick wash / super quick wash
Rinse / soften
Delicate / hand wash
Wool / cashmere
Soak / spin
Drain
Easy ironing
Optional function keys
(additional program settings)
ON/OFF button
Half load
Fussy
Spin exclusion
Spin reduction
High water level
No Soak
Rinse stop
Delicate
Cold wash
Sport wash
ECO
5.
Stand for having the function
-
Stand for not having the function
ECO stand for ecnomical wash
４
n°
n°
n°
1
1
1
///-/
/-/
-
rpm
-
Front Load Washing Machine
Model:HW-C70TVE SERIES
５
Front Load Washing Machine
Model:HW-C70TVE SERIES
６
Front Load Washing Machine
7
Model:HW-C70TVE SERIES
Front Load Washing Machine
8
Model:HW-C70TVE SERIES
Front Load Washing Machine
9
Model:HW-C70TVE SERIES
Front Load Washing Machine
10
Model:HW-C70TVE SERIES
Front Load Washing Machine
Model:HW-C70TVE SERIES
Net dimension
84CM
61CM
59.5CM
11
Front Load Washing Machine
Model:HW-C70TVE SERIES
Names of the part
Detergent
distribution
drawer
Top panel
Display
Selection knob
Operating
buttons
prothole
door
Door handle
12
Front Load Washing Machine
13
Model:HW-C70TVE SERIES
Front Load Washing Machine
14
Model:HW-C70TVE SERIES
Front Load Washing Machine
15
Model:HW-C70TVE SERIES
Front Load Washing Machine
HW-C70TVE SERIES
Model:HW-C70TVE SERIES
Error Display and Troubleshooting
Error message:Door is not properly shut 20s after program is started.
Troubleshooting:
Pushing the door to Check Whether Door
is properly shut or not
Shut the door properly
N
Y
Cut off the power and then turn on again.
Check the voltage between brown wire and
red wire of door lock, is it between AC
220-240V?
Door
Y
lock
is
broken
need
replacing, then make sure wire is
connected properly.
N
Connect the wire properly
Check if the wire connecting door lock
and computer board is loose
Y
Replace
N
computer
Check the voltage between grey wire and
white wire of computer board, is it
between AC 220-240V?
N
board
5
Error message:Drainage error, water not emptied within 4 min.
Troubleshooting:
Cut off power and water
Check if water is emptied
and
Y
level pressure switch wire
connection, measure the resistance of 1 and 3 pin, is it
infinite? If not, it is water level pressure switch failure
and replace it. If it is, then repair and check computer
board and wire as followed.
N
Check if drain pump acts by touching
pump position
Y
N
16
Check if drain pump or
drain pipe is jammed, and
open the filter and clean
Front Load Washing Machine
Model:HW-C70TVE SERIES
Cut off the power and choose spin program to
start, then check the import voltage of drain
pump, is it between AC 220-240 V?
Y
Replace drain pump
N
Cut off power and pull out water level
pressure switch wire connection. Set spin
program to start. Check the export voltage
to drain pump, is it between AC
220-240V?between blue wire and green
wire
Y
The wire between
computer board
and drain pump
is not connected
properly.
Replace the wire.
N
Replace computer board
(Fig1)
Error message:Temperature sensor is not properly connected or damaged (display at the end of a
program).
Troubleshooting:
Cut off power and measure the resistance
N
NTC exist open circuit .Replace it
of temperature sensor by multimeter, is
it between 5-14kΩ?
Y
Check if NTC is connected properly
Connect NTC well
N
Y
Check the blue wire and black wire of NTC, are
they connected well?
Connect all wires well
N
Y
Disconnect the white wire and black wire
from computer board, and measure if the
resistance between blue wire and black wire of
PCB is it infinite?
Replace wire
Y
N
Replace computer board
17
Front Load Washing Machine
Model:HW-C70TVE SERIES
Error message :The heater may be broken
Troubleshooting:
Cut off power ,check the resistance
Of two pins of heater element by
N
multimenter is it between 30-35Ω ?
Y
Heater element
must be broken
please replace
it
Turn on power ,and set wash
mode,then start ,check the export
voltage of heater element between
12-6 and J9-9 ,is it between AC
220-240V?
Y
Computer
board must be
broken, please
Error message:The required water level is not reached within 8 min.
Troubleshooting:
Check if water is leaking from washer
bottom. inlet pipe. drain pipe or other
pipe connection
Y
Readjust or replace the broken parts
N
Check if tap is closed or water pressure is too
Y
Open the tap or wait for normal water pressure to use
low (usual between0.03 -1 MPa)
N
Clean inlet valve
Check if inlet valve is jammed
Y
N
18
Front Load Washing Machine
Model:HW-C70TVE SERIES
Observe if the height of
Draw out the dispenser and check if water is
entering
drain pipe not reach 80
Y
cm.
If
water
level
N
pressures switch and
the hose is leaking gas
Turn on power, and set pre-wash mode, then
start. Check the import voltage of
electromagnetic valve by multimeter
, is it between AC 220-240V between the
white wire and red wire that they are not
connected?Voltage is220-240V between
white wire and white wire,between red wire
and red wire
Y
Electromagnetic valve must be broken, please replace
it.
N
The wire connected PCB and inlet valve is not
Check if export voltage from computer board
Y
properly. Please reconnect it or replace it.
to electromagnetic valve, is it between AC
220-240V that voltage between grown wire
and white wire of PCB ?
N
(Fig 2)
Replace computer board
19
Front Load Washing Machine
Model:HW-C70TVE SERIES
Error message:Motor speed error .it may be not properly connected or damaged.
Troubleshooting :
Connect them well and test.
Cut off power, and check if motor wire is
N
connected well
Y
Connect them properly and test.
Check if the wire of motor is connected well
N
with computer board.
Y
Pull out the motor insert string, and check the
resistance of motor speed measurer and the
Replace the motor.
winding
of
the
motor,
is
it
as
N
followed?From up to down,The order is
M1.M2.M3.M4.M5.M6.M7.M8.M9.M10
: the resistance between M5and M10 is
1.67~1.85Ω.
the
resistance
between
M8and M9 is 1.69~1.87Ω.
Y
Check the import voltage between M1 wind
and M2 wind, is it between AC 220-240V?
Replace computer board
N
20
Front Load Washing Machine
Model:HW-C70TVE SERIES
Error message. Motor overheat protection or is damaged.
Troubleshooting:
Cut off power and check if motor wires
N
Reconnect well
are connected well
Y
Put the motor in nomal temperature about
ten minutes,and then test again.If the
Measure if resistance of motor winding by
N
multimeter,is it as followed?
the
resistance
between
M5and
M10
resistance is natural,
it is caused by
overheated protection.Then check
is
and
1.67~1.85Ω. the resistance between M8and
deal with overload,abnormal voltage.If
M9 is 1.69~1.87Ω.
not,please replace motor
Y
Pull out the wire connection of motor and
computer board.Then check if circuit is open
by multimeter
Y
Repair wires
N
Turn on power and set spin mode,then
start.Check
the
import
Y
voltage
Replace computer
board
between red wire and red wires, is it
between 220-240V?
21
Front Load Washing Machine
Model:HW-C70TVE SERIES
Error message. Water level exceeds protection value.
Troubleshooting:
Clean water switch hose and air
Y
Check if water switch hose and air collector
collector
are jammed
N
Pull out water switch inserts and turn on
power, then set wash mode. While water
is entering at the position of 1/4 glass
window, check the resistance between ①
and ②, is it 0? Check the resistance
between ①and ③, is it infinite?
Replace water pressure switch
Y
N
Replace inlet valve
Without power ,connect inlet pipe to inlet
Y
vavle,then open the tap and observe if water
is entering in dispenser
N
Replace
Y
Without starting but electrifying, measure the
import voltage of inlet valve, is it between
computer
board
AC 220-240V?
HW-C70TVE SERIES
Examination & Troubleshooting
Failure:Display nothing
Troubleshooting:
Repair power supply
N
Measure the power supply ,is it exists
220V-240V AC voltage？
Y
Press the power switch
N
Is power switch on?
Y
Press power switch and check the voltage
between two pins of power switch. Is
there 220-240V AC voltage between blue
wire and brown wire?
Make sure power supply cable assembly is
N
N
connected well and then replace power
switch.
Y
22
Front Load Washing Machine
Model:HW-C70TVE SERIES
Cut off power and check if plugs are connected
Insert the plug well and test
Y
well by pulling the plug of computer board.
Y
Check if power plug exists 220V-240V AC
N
voltage at the import pin
Replace PCB
Failure:no water inletting
Troubleshooting:
Is the tap shut off or the water pressure
Open tap or wait for normal water pressure
Y
too low?
N
Check if water is leaking from washer
connection, especially between inlet pipe
Reconnect inlet pipe.
Y
and tap. to make sure of no bends.
N
Clean filter
Y
Check if filter of electromagnetic valve is
jammed
N
Choose pre-wash program and start ，
Check if there is 220-240V at import pin
of electromagnetic valve
Replace electromagnetic valve
Y
N
Reconnect the wire
Is
there
open
circuit
between
Y
electromagnetic valve and computer board?
N
Choose pre-wash program and start ，
then check if there is 220-240V at export
N
（See fig 2）
Replace PCB
pin of electromagnetic valve
Failure:no draining
Troubleshooting:
Is the height of drain pipe too high?
Adjust the height of drain pipe to
Y
80-100 cm
N
Turn filter anticlockwise，open and check if
Y
filter is jammed
N
23
Clean and tighten filter clockwise.
Front Load Washing Machine
Model:HW-C70TVE SERIES
Arrange hose and clean
Check if hose connecting cylinder to pump is
Y
bent or jammed
N
Turn on power and choose spin program to start.
Measure if import voltage of drain pump is
220-240V
Replace drain pump
Y
N
Replace the wire.
Cut off and check if the connection between
Y
drain pump and computer board is open
N
Turn on and choose spin program to
Replace
（ See fig 1）
PCB
N
start. Measure if export voltage of PCB to
drain pump is 220-240V
Failure :abnormal noise and vibration
Troubleshooting:
Is the pack screws dismantled?
Dismantle the screws
N
Y
Is there foreign material in the washer?
Clean
Y
N
Adjust adjustable feet
Is washer in balance?
N
Y
Y
Is belt loose or worn?
Replace it
N
Are the screws of counterweight and
Y
Fasten them
motor loose?
N
Remove belt and turn belt pulley by
Dismantle triangle and check
the bearing .If it is
broken, replace it.
Y
hand, and then check if there is different
N
Y
Turn on power and set spin program,
then start，check if there is different noise
from motor
24
Replace motor
Front Load Washing Machine
Model:HW-C70TVE SERIES
Failure:water leaking
Troubleshooting:
Check if water is leaking from the inlet pipe
Y
Readjust it.
or the tap
N
Is drain pipe broken？
Replace drain pipe
Y
N
Remove clothes
Check if there is foreign material nipped
between cushion of sight window and
sight window
Y
N
Check if all tubes and tie-in is leaking
water, including the connecting of tube
and valve, dispenser, tube and
dispenser ,outer cylinder-cushion of sight
window-hose and outer cylinder, drain
pump and gas valve
Y
Reassemble or repair
N
Replace
Y
Is cushion of sight window broken?
cushion
of
window
N
Is water leaking from outer cylinder?
Y
25
Replace outer cylinder
sight
Front Load Washing Machine
Wiring circuit
26
Model:HW-C70TVE SERIES
Front Load Washing Machine
Model:HW-C70TVE SERIES
Sincere Forever
Group
Industrial Park, No.1,
266101, Qingdao,
http://www.haier.com
27
Road
China