SERVICE MANUAL
TWIN TUB WASHING MACHINE
PWM6010M
PWM8010PM
PWM1010PM
PWM1210PM
1.SAFETY PRECAUTION
-2-
1. Safety precaution
2. Introduction of product
2.1 Name of parts
3.Trouble shooting
3.1 Malfuction and solution
3.11. Unusual sound when washing or wash
weakly (motor with sound)
3.12. Can not wash(motor does not rotate)
3.13. Electric leakage
3.14. Spin tub can not rotate
3.15. Start of spin is too long;spin tub bump
with outer tub when running
3.16.Unusual sound when spinning
3.17.Unusual sound when pulsator rotates
3.18. No drain or unsmooth drain
3.19. Poor brake of spin tub
3.110. Water leakage from the side of
wash tub
3.111. Water leakage from the side of spin tub
3.2 Fault tree
3.21. Can not wash (motor does not rotate)
3.22. Spin tub can not rotate
3.23. No drain or unsmooth drain
4.Dismantling ways of main parts
4.1. Remove the knobs
4.2. Remove the control panel
4.3. Remove the spin cover
4.4. Remove the pulsator
4.5. Remove the lint filter
4.6. Remove the frame
4.7. Remove the spin tub
4.8. Remove the base
4.9. Remove the motor pulley
4.10. Remove the capacitor
4.11. Remove the brake wheel
5.Electronic components
5.1. Self-test method of wash timer
5.2. Self-test method of spin timer
5.3. Self-test method of wash-drain selection switch
5.4. Self-test method of safety switch
5.5. Self-test method of capacitor
5.6. Self-test method of motor
6.Circuit diagram
7.Explored view & list of parts
TABLE OF CONTENES
Do not spray water directly to
the machine.
Avoid sp raying water
Do not install the machine in
damp or rainy environment to
avoid electric shock, fire,
machine failure,or deformation.
Avoid dampness
Do not dismantle the machine
by yourself.
Forbid dismantling
Do not insert or unplug the plug
with wet hands to avoid electric
shock.
Forbid wet hands
To avoid electric shock
resulting from electric leakage,
please connect grounding wire
of the plug properly.
Grounding
Do not place inflammable
materials like burning candle,
mosquito incense, cigaret etc.
or heating source like electric
stove, calorifier etc. on the
machine.
Forbid
Wipe off dirty and dust on the
plug often to prevent poor
contact w
ith power supply.
+
Do not exceed the max. water
level to avoid water overflowing
and machine failure.
Forbid
+
Make sure that the water inlet
hose is connected and the tap
is opened before washing.
Unplug the plug from socket
after use.
Unplug the plug
Do not put hands into the tub
before it stopping running.
Forbid putting into
Do not wash clothes that are
stained with kerosene, petrol,
alcohol, and other fl
ammable
s
ubstanc
e.
Forbid
Do not damage the power cord
and plug to avoid electric
shock , short circuit or fire.
Forbid
Do not let baby climb to the
machine or p
lay near runni
ng
tub to avoid accident.
Forbid
If use warm water, the water
temperature should not
exceed 50.
Forbid
Do not replace power cord by
yourself.
Forbid
Do not let baby sit on it or place
heavy things on it.
Forbid
Do not pull the cord when
unplug the plug.
Do not wash down-filled coat,
raincoat or similar clothes.
wat erpro of
Forbid
Insert the plug tightly when
use.
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SAFETY PRECAUTION
Control panel
Wash cover
Lint filter
Pulsator
Base
Spin cover
Cabinet
Drain hose
Safety cover
Frame
(For lower drain only)
Drain hose
(For upper drain only)
Wash tub
Power plug
* The drawing above is based on the actual washer.
2. INTRODUCTION OF PRODUCTS
2.1 Name of parts
Symptom
Possible reason
Solution
1. Unusual
sound when
washing or
wash weakly
(motor with
sound)
a. Laundry is much more than rated
washing capacity.
b. pulsator is tangled with clothes or
blocked by things like coins.
d. Pulley broken or pulley screw is
loose .
e. Capacitor failure.
f. Wash-drain selection switch does
not work.
c. V-belt loose, broken or fall from
the strap wheel.
a. Reduce the laundry till the
pulsator can rotate normally.
b. Take off plug, remove the
pulsator and take out the
tangled clothes or other things.
c. Replace v-belt or reload the
v-belt.
d. Replace the pulley or tight the
pulley locking screw.
e. Replace the capacitor.
f. Replace the switch.
a. Power supply is cut off or poor
contact of plug and socket.
b.
c. Wash timer is in poor contact or
faulted.
d.
e. Wash motor failure.
Voltage is too low.
Fuse is burned.
3. Electric
leakage
a. Conductive wire or alive parts in
the machine contacts with metal
cabinet.
b. Bad grounding wire.
c. 2 power lines of the power supply.
d. Weak insulation strength of motor
e. Insulation layer of wire harness is
broken.
a. Check the power supply and
adjust the plug to insure good
contact.
b.
c. Check the wire harness or
replace the wash timer.
d.
e. Replace the wash motor.
Do not use the washing
machine until the voltage rise to
rated voltage.
Replace the fuse.
a. Check wire connecting in the
machine.
b. Check the grounding wire.
c. Examine and replace the power
supply.
d. Replace the motor.
e. Examine the wire harness and
bind up the broken wire.
2. Can not wash
(motor does
not rotate)
3.TROUBLE SHOOTING
3.1 Malfuction and solution
-4--3-
Symptom
Possible reason
Solution
3.TROUBLE SHOOTING
Symptom
Possible reason
Solution
3.TROUBLE SHOOTING
4. Spin tub can
not rotate
5. Start of spin
is too long;
spin tub
bump
with outer
tub when
running
6.Unusual
sound
when
spinning
a.
b.
c.
d.
e.
Spin motor winding is burned.
Fuse is burned.
Spin timer does not work.
Capacitor failure.
Cable joint is loosened.
a.
b.
c.
d.
e.
If the motor is damaged
because of water leakage
from spin tub, check the
reason of leakage and solve
the problem.
Replace the fuse.
Replace the spin timer.
Replace the capacitor.
Join the cable with a pair of
plier.
a. Clothes in spin tub is placed
uneven.
b. Laundry is much more than rated
load.
c. Drain hose is not placed properly
or too much water stored in the
spin tub.
d. The pull-in torque of spin motor
is low.
e. The capacity of capacitor is low.
f. The brake plate is too near to the
connector.
a. Make the clothes even.
b . Reduce the load.
c. Place the drain hose properly
and do not use it until water in
spin tub is drained completely.
d. Replace the spin motor.
e. Replace the capacitor.
f. Adjust the position of brake belt
and belt hanging hole to keep a
proper space between the brake
plate and the connector.
a. There is a lack of oil for
oil -retaining bearing of the spin
tub rotating shaft .
b. External things, like socks exist
between spin tub and wash tub.
c. The machine is not placed even or
laundry is not placed even.
d. Unusual sound from the spin
motor.
e. The brake plate is too near to the
connector.
a. Lubricate the oil-retaining bearing.
b. Take off the spin tub and remove
the extra things.
c. Place the machine on flat ground
and adjust the laundry .
d. Replace the spin motor.
e. Adjust the position of brake belt
and belt hanging hole to keep a
proper space between the brake
plate and the connector.
a. There is things like coins, buttons
under the pulsator.
b. The fixing screw become loose
and the pulsator vibrates.
c. Gear in the retarder is damaged.
d. Anti-loose nuts on the big pulley
become loose, so the wheel
jumps and make unusual noise.
e. The v-belt is not smooth and
makes noise when running on the
pulley.
f. The motor pulley and the big
pulley is not at a level.
g. Noise inside the wash motor.
a. Dismantle the pulsator and take
out the things.
b. Tighten the fixing screw.
c. Replace the retarder.
d. Screw tight the anti-loose nuts.
e. Replace the v-belt.
f . Adjust the motor pulley to make
it at the same level with the big
pulley.
g. Replace the wash motor.
7.Unusual
sound when
pulsator
rotates
a. When draining, the hose is not put
down and the water can not be
drained.(for lower drain function
only)
b. Wash -drain selection switch is
not in “drainposition.
e. Drain outlet is blocked at the side
of wash tub.
f. Drain falls from the switch.
g. Drain belt is loosened or broken.
c. Drain outlet is not laid properly.
(for upper drain function only)
d. Drain pump failure
( for upper drain function only).
belt
a. Put down the drain hose and
make the hose mouth to the
sewer.
c. The drain hose should be placed
86 cm-100cm from the bottom of
the ground.
e. Dismantle the pulsator and take
out the blocks at the drain outlet .
f. Connect the drain with the
switch.
g.Replace the drain belt.
b. Turn the switch to “drain” position
d. Replace the pump or open the
valve cover to clear up the pump.
belt
8. No drain or
unsmooth drain
-6--5-
Symptom
Possible reason
Solution
3.TROUBLE SHOOTING
9. Poor brake
of spin tub
a. Safety switch contact does not
open when open the spin cover.
b. The tightwire kit becomes loose.
c. Brake plate is badly worn.
d. Brake belt is too tight.
a. Adjust the safety switch contact.
b. Reload the brake belt or brake
steel wire.
c. Replace the brake plate.
d. Adjust the position of drain belt
and brake belt hanging hole to
keep a proper space between
the brake plate and coupler.
a. Wash tub leaks.
b. Seal ring of the retarder leaks.
c. The overflow hose brakes and
water leaks from the broken place.
d. Drain valve core brakes and water
leaks from the valve cover.
e. Drain hose joint is badly bound
and water leaks from the joint
place.
a. Replace the wash tub.
b. Replace the seal ring of the
retarder.
c. Replace the overflow hose.
d. Replace the drain valve core.
e. Dismantle drain hose joint and
stick them again.
11. Water
leakage from
the side of
spin tub
a. The rubber damper is not properly
fixed and water leaks from the
brim of rubber damper.
b. Spin seal broken and water leaks
from the broken place.
c. The diameter of spin shaft
becomes smaller because
abrasion.
a. Replace the rubber damper.
b. Replace the spin seal.
c. Replace the spin tub.
10. Water
leakage from
the side of
washing tub
Can not wash
Y
Y
N
N
N
Y
Y
Y
N
N
Whether the power
supply is well
Check the power supply
Whether the plug
is contact
Adjust the plug to insure
good contact
Whether the voltage
is correct
Wait the voltage to rise
to correct voltage
Whether the wash
timer is well
Y
N
Replace the wash timer
Whether the fuse
is well
Replace the fuse
Whether the capacitor
is well
Replace the capacitor
Y
N
Whether the wash
motor is well
Replace the wash motor
3.TROUBLE SHOOTING
1. Can not wash (motor does not rotate)
3.2 Fault tree
-8--7-
3.TROUBLE SHOOTING 3.TROUBLE SHOOTING
Can not spin
Y
Y
N
N
N
Y
Y
N
Whether the Cable
joint is well
Join the cable with a
pair of plier
Whether the spin
timer is well
Y
N
Replace the spin timer
2. Spin tub can not rotate
Whether the fuse
is well
Replace the fuse
Whether the capacitor
is well
Replace the capacitor
Whether the spin
motor is well
Replace the spin motor
3. No drain or unsmooth drain
Can not drain
Y
Y
N
N
N
Y
Y
Y
N
N
Whether the drain
hose is put down
Put down the drain hose
Whether the wash-
drain selection switch is
not in “drain”position
Whether the drain
hose is laid properly
Whether the drain
pump is well
Y
N
Replace the drain pump
Whether the drain
hose at the side of
wash tub is blocked
Dismantle the pulsator
and take out the blocks
in the water drain hose
Whether the drain
belt is on the switch
Hang the drain
belt onto the switch
Y
N
Whether the drain
belt is well
Replace the drain belt
Turn the switch to “drain
position
The drain hose should be
placed 86cm-100cm from
the bottom of the ground
for lower drain function only
for upper drain function only
for upper drain function only
-10--9-
N
Y
Whether the safety
switch is well
Replace the safety
switch
4.DISMANTLING WAYS OF MAIN PARTS
1. Remove the knobs
a.Take out the knobs directly
because knobs are inserted
into the control panel.
b. If it is difficult to take knobs out,
a straight screwdriver wrapped
with cloth can be used for help.
Operation step
Picture
a.
b.
2. Remove the control panel
a. Take down the back cover by
loosen-ing off the screws.
b. Take down the bag by cutting
off the nylon clip. Take down
all wire nut with a plier and make
all wire clamps loose. And then
unfasten the drain belt
connector.
c. Unfasten the screws on the
control panel.
d. The control panel can be lifted
and removed.
a. b.
c.
d.
4.DISMANTLING WAYS OF MAIN PARTS
Operation step
a.
c.
a.
3. Remove the spin cover
a. Open the spin tub cover. Loosen
the connector of the brake belt .
b. Keep the spin tub cover open and
remove the hinge spring.
c. The spin cover can be drawn
out by swinging.
4. Remove the pulsator
a. Unscrew the pulsator screw.
b. Draw out the pulsator with
hands.
Picture
b.
b.
-12--11-
a.
5. Remove the lint filter
a.Press the lint filter subassembly
then pull it out.
a. b.
c.
d.
6.Remove the frame
a. Screw off fixing screws of the
frame.
b. Screw off screws under the
handles at both sides of the
frame.
c. Screw off the stainless steel
screw on the top surface of
the frame.
d. The frame can be removed.
4.DISMANTLING WAYS OF MAIN PARTS
Operation step
Picture
a.
b.
8. Remove the base
a. Press the V-belt at the part near
the pulley. Then take down the
V-belt by rotating the pulley.
b. Spread one blanket on the
floor then lay down the washing
machine. Pull out the drain hose
from the clamp and draw out the
drain hose subassembly. After
screws on the base are
unscrewed, the base assembly
can be disassembled.
4.DISMANTLING WAYS OF MAIN PARTS
Operation step
Picture
a.
a.
a.
9. Remove the motor pulley
a.Loosen the nut with special
wrench,then loosen the screw.
10. Remove the capacitor
a.Hold firm the capacitor then
pull it out.
11. Remove the brake wheel
a.Loose the fixing screw then
draw the brake wheel out.
-14--13-
a.
b.
7.Remove the spin tub
a. Unscrew the fixing screw under
the tub with a socket wrench.
b. The spin tub can be removed
then.
5.ELECTRONIC COMPONENTS
Operation step
Picture
1. Self-test method of wash
timer
Turn the wash timer to work
condition. Use a multimeter to
measure the connection and
disconnection condition of
input terminal(brown wire) and
output terminal (yellow or orange
wire), and the wash timer should
be regular on-off.
2. Self-test method of spin timer
Use a multimeter to test the two
conducting wire. If the spin timer
is in working condition, the two
wire should be conductive.
3. Self-test method of
wash-drain selection switch
Use a mulimeter to measure the
selection switch, the switch
should be regular on-off.
5.ELECTRONIC COMPONENTS
Operation step
Picture
4. Self-test method of safety
switch
The safety switch should be in
closure state when the spin tub
cover is closed.
5. Self-test method of capacitor
Use an analog multimeter to measure
capacitance by connecting the two
ends of capacitor with the multimeter
rod connector . If the pointer swing
to the direction of smaller
resistance ,and then turn back to
the direction of “0 slowly, it means
that the capacitor is ok. If not, it
means that the capacitor is
faulted.
6. Self-test method of motor
a. To check whether the motor
insulation is damaged by
water leakage:
Use a 500 V megohmmeter to
measure whether the insulation
resistance of motor is higher than
30MΩ At the same time, check
whether the other resistance of
the motor are normal. If the
other resistance are abnormal
(any short-circuit, open circuit
appears),the motor can not be
used. Only the two items are
normal, the motor can be used.
.
-16--15-
5.ELECTRONIC COMPONENTS
Operation step
Picture
b. Check whether the motor
resistance is normal in the
condition of no water
condition:
Use a multimeter to measure the
resistance of the three leads, and
name them R1, R2, R3.Only the
R1+R2=R3” indicates that the
motor resistance is normal.
c. Check the motor operation
condition:
For the motor under
use, add certain 20 # machine oil on
the upper and down bearing to
eliminate the negative effect arising
from water leakage.After powering
on the two components, there
should be no obvious noise,
vibration,or odor of the motor.
Use power cable with fuse to
connect the motor and capacitor
correctly, and do the preparation
for insulation.
6.CIRCUIT DIAGRAM
-18--17-