LG WFT75A31EP Service Manual ▷ View online
36
4-5. DISASSEMBLY INSTRUCTION
▶ Be sure to unplug the power to repair and
replace electric parts.
Be sure to make earth connection for
trouble diagnosis and parts replacement.
If impossible, touch earth wire on the body
to remove electric deviation between the
body and product before work.
trouble diagnosis and parts replacement.
If impossible, touch earth wire on the body
to remove electric deviation between the
body and product before work.
CAUTION FOR ELECTROSTATICS
1) Disassembly of Front Panel
& PCB Assembly
① Remove two screw caps using a sharp tool
and two front panel fixing screws.
② Push the front panel to the left side then
pull it out.
③ Disconnect the leads from the controller.
④ Remove 4 screw from the front panel.
⑤
Remove the PCB Assembly.
▶ Fuse is located in the PCB assembly For fuse
replacement use the following rated fuse
* Rating of fuse
* Rating of fuse
- 250V 6A fusing type for 220-240V product
- 125V 12A fusing type for 100-127V product
- 125V 12A fusing type for 100-127V product
leads
PCB Assembly
Fuse
37
2) Disassembly of Back Panel, Power
Cord, Inlet Valve & BP Sensor
① Remove two back panel fixing screws in the
back side.
② Disassemble the back panel.
③ Disconnect two connectors and disassemble
the power cord.
④ Remove a valve fixing screw & disconnect the
leads form the inlet valve.
⑤ Remove the inlet valve.
⑥ Disconnect the leads & the pressure tube from
the BP sensor.
⑦ Remove the BP sensor.
3) Disassembly of Lid Assembly,
Top Cover, Tub Cover, Pulsator
& Inner Tub
& Inner Tub
① Remove Q-spring & two hinge pins then
disassemble the lid assembly
② Remove two top cover fixing screws in the
rear then disassemble the top cover.
③ Remove tub cover fixing screws then
disassemble the tub cover.
④ Remove the pulsator fixing screw then
disassemble the pulsator.
⑤ Remove the hub fixing nut by a special tool.
⑥ Disassemble the inner tub.
Inlet valve
Power cord
BP sensor
Q-spring
Hinge Pin
Hinge Pin
38
4) Disassembly of Back Cover, Drain Pump,
Clutch(Transmission) & Motor
① Remove back cover fixing screws then disassemble
the back cover.
② Disconnect the leads and the drain hose-p from the
drain pump.
③ Remove the pump fixing screws then
disassemble the drain pump.
④ Fall down the washer for clutch & motor removal.
⑤ Remove the belt.
⑥ Disassemble the clutch.
⑦ Remove two motor fixing screws then
⑤ Remove the belt.
⑥ Disassemble the clutch.
⑦ Remove two motor fixing screws then
disassemble the motor.
5) Replacement of Damper asm
① Separate top cover from washing machine.
② As in the fig, lift snubber bar and take it out of out
② As in the fig, lift snubber bar and take it out of out
case with out tub.
③ Damper assembly shall not be disassembled.
Replace damper as assembly.
④ For assembly, keep the following.(Location & color)
Location P/No. PIVOT(Color)
A051 NATURAL
A052 BLUE
Tub cover
Inner tub
Hub fixing nut
Leads
Drain hose-p
Pump fixing screw
39
4-6. TEST RUNNING WITHOUT WATER
A)
WFT60A30(1)A(B,C)P(H,C,D,E,F,M) / WFT65A30(1)D(E,F)P(H,C,D,E,F,M) /
WFT70A30(1)D(E,F)P(H,C,D,E,F,M) / WFT75B30(1)A(B)P(H,C,D,E,F,M) /
WFT85B30(1)D(E)P(H,C,D,E,F,M) / WFT75A31EP
To use the CHECK PROGRAM (QC TEST MODE), press WATER LEVEL, PROCESS and POWER button ON
without depositing any laundry.
In QC TEST MODE all LEDs are on and press START(PAUSE) button to check over the following items.
In QC TEST MODE all LEDs are on and press START(PAUSE) button to check over the following items.
NO
CHECK METHOD
DISPLAY
C HECK ITEM
1
2
3
4
5
6
7
Initial state
Press once
Press twice
Press 3 times
Press 4 times
Press 5 times
Press 6 times
WATER LEVEL frequency is
on DISPLAY in the condition of
no water in TUB.
After detecting laundry amount
the number of pulse is on the
DISPLAY.
AUTO OFF.
All LEDS ON.
64~70 DISPLAY.
Laundry amount test.
COLD water .
HOT water . (option)
If the LID is opened, is on the
DISPLAY. In that case, close the LID.
DRAIN MOTOR is 1st start.
DRAIN MOTOR is 2nd start and drain
pump is on.
All LEDS OFF.
Click on the first or last page to see other WFT75A31EP service manuals if exist.