DOWNLOAD LG WD-12230TB / WD-12231TB Service Manual ↓ Size: 1.91 MB | Pages: 35 in PDF or view online for FREE

(1)

Check the sensor
(Pressure) or hose 
(Sensor). 
If the problem is on the
sensor or the hose, replace
the sensor or the hose.

Normal

Correct the connector.

Replace the motor
assembly.
(4681ER1003A)

Check on the spinning, is the frequency of the
water level 248 or more. The frequency can be 
checked by pressing the Medic Care Rinse and
Time Delay buttons at the same time on the program.

When pressing Pre Wash, Crease Care, and
POWER buttons at the same time after power off,
press the  START/PAUSE button 2 times, is the drum
low speed spin?

Is it disconnected, or disassembled?

[Red:3pin (1)]

Check the motor connector. Is the resistance of

the terminal same as the figure?

Resistance of terminal: 

①~② / ②~③ / ③~① : About 6.5Ω

Replace the PWB assembly (Main)

①

②

③

✽ Be sure to unplug the machine out of the outlet before disassembling and repairing the parts. 

9. DISASSEMBLY INSTRUCTIONS

①

① Unscrew 2 screws on the back of the top plate.

②

② Pull the top plate backward and upward as shown.

①

① Disconnect the PWB Assembly connector from Main

lead wire Assembly.

②

② Pull out the drawer and unscrew 2 screws.

③

③ Push upper hooks down on the top and pull the control

panel.

①

① Disconnect the PWB ASSEMBLY from the control

panel by unscrewing 7 screws.

Hook

PLATE ASSEMBLY (TOP)

PANEL ASSEMBLY
(CONTROL)

PWB 
ASSEMBLY
(DISPLAY)

①

① Disassemble the top plate assembly.

②

② Pull out the drawer to arrow direction.
③

③ Unscrew 2 screws.

①

① The hose clamps and the hose are disassembled.

②

② The ventilation bellows and the water inlet bellows are

disassembled on the tub.

DISPENSOR ASSEMBLY

DRAWER

① Disconnect the wiring receptacle.
② Unscrew 2(4) screws from the back.
※When reconnecting the connector

■ Open the lower cover plate by using coin and pull out

the lower cover in the arrow direction after a screw is

unscrewed.

① Open the door completely.
② Remove the two screws from the hinge.
※When removing the door assembly, it is necessary to

hold the bracket that is inner of the cabinet cover.

1

2

3

VALVE #1 (MAIN)

Whited/Black-Black

VALVE #2 (PRE)

White/Red - Black

VALVE #3 (HOT)

Blue/White - Black