LG WF-T9020TP Service Manual ▷ View online
29
4-5. DISASSEMBLY INSTRUCTION
Be sure to unplug the power to repair and replace
electric parts.
electric parts.
1) Disassembly of Front Panel & PCB
Assembly
Remove two screw caps using a sharp tool and two
front panel fixing screws.
Push the front panel to the left side then pull it out
Disconnect the leads from the controller
Remove 4 screw from the front panel
Remove the PCB Assembly.
front panel fixing screws.
Push the front panel to the left side then pull it out
Disconnect the leads from the controller
Remove 4 screw from the front panel
Remove the PCB Assembly.
Fuse is located in the PCB assembly
For fuse replacement use the following rated fuse
* Rating of fuse
For fuse replacement use the following rated 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
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.
CAUTION FOR ELECTROSTATICS
leads
PCB Assembly
Fuse
30
2) Disassembly of Back Panel, Power
Cord, Inlet Valve & BP Sensor
Remove two back panel fixing screws in the back
side.
Disassemble the back panel.
Disconnect two connectors and disassemble the
power cord.
Remove a valve fixing screw & disconnect the
leads form the inlet valve.
Remove the inlet valve.
Disconnect the leads & the pressure tube from the
BP sensor.
Remove the BP sensor.
side.
Disassemble the back panel.
Disconnect two connectors and disassemble the
power cord.
Remove a valve fixing screw & disconnect the
leads form the inlet valve.
Remove the inlet valve.
Disconnect the leads & the pressure tube from the
BP sensor.
Remove the BP sensor.
3) Disassembly of Lid Assembly, Top
Cover, Tub Cover, Pulsator & Inner Tub
Remove Q-spring & two hinge pins then
disassemble the lid assembly
Remove two top cover fixing screws in the rear
then disassemble the top cover.
Remove tub cover fixing screws then disassemble
the tub cover.
Remove the pulsator fixing screw then disassemble
the pulsator.
Remove the hub fixing nut by a special tool.
Disassemble the inner tub.
disassemble the lid assembly
Remove two top cover fixing screws in the rear
then disassemble the top cover.
Remove tub cover fixing screws then disassemble
the tub cover.
Remove the pulsator fixing screw then disassemble
the pulsator.
Remove the hub fixing nut by a special tool.
Disassemble the inner tub.
Inlet valve
Power cord
BP sensor
Q-spring
Hinge Pin
Hinge Pin
31
4) Disassembly of Back Cover, Drain
Pump, Clutch(Transmission) & Motor
Remove back cover fixing screws then
disassemble the back cover.
disassemble the back cover.
Disconnect the leads and the drain hose-p from the
drain pump.
drain pump.
Remove the pump fixing screws then disassemble
the drain pump.
the drain pump.
Fall down the washer for clutch & motor removal.
Remove the belt.
Disassemble the clutch.
Remove two motor fixing screws then disassemble
the motor.
the motor.
5) Replacement of Damper asm
Separate top cover from washing machine.
As in the fig, lift snubber bar and take it out of out
case with out tub.
Damper assembly shall not be disassembled.
Replace damper as assembly.
Replace damper as assembly.
For assembly, keep the following.(Location & color)
Location
P/No.
PIVOT(Color)
,
A051
NATURAL
,
A052
BLUE
A
D
C
B
C
D
A
B
PIVOT
PIVOT
PIVOT
FRONT
PIVOT
Pump fixing screw
Leads
Drain hose-p
Pulsator
Tub cover
Inner tub
Hub fixing nut
32
M
E
T
I
K
C
E
H
C
Y
A
L
P
S
I
D
D
O
H
T
E
M
K
C
E
H
C
O
N
4-6. TEST RUNNING WITHOUT WATER
1) METHOD TO USE QC TEST MODE
A) WF-T(S,C)550(~2)0(~5)P(P,H,C)
WF-T(S,C)650(~2)0(~5)T(P,H,C)
WF-T(S,C)750(~2)0(~5)T(P,H,C)
WF-T(S,C)750(~1)0(~9)P(P,H,C)
WF-T(S,C)750(~1)0(~9)P(P,H,C)
WF-T(S,C)850(~1)0(~9)T(P,H,C), WF-T9020TP
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.
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.
water in TUB.
After detecting laundry amount
the number of pulse is on the
DISPLAY.
DISPLAY.
AUTO off.
All LEDS ON.
❅
64~69 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
DRAIN MOTOR is 2nd start and drain
pump is on.
All LEDS OFF.
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