10222945 - LG Washing Machine Service Manual (repair manual). Page 20

There’s built-in AC 120V and DC power in output terminal of PWB assembly in common. Be careful
electric shock when disconnecting parts while trouble shooting. (Wear Electro Static Discharge gloves
when working.)
After cutting off the power when changing PWB assembly, disconnect or assemble.
Be careful static when handling PWB assembly, and use Electro Static Discharge plastic pack when
delivering or keeping it. 

8. TROUBLESHOOTING

8-1. SAFETY CAUTION

8-2. ERROR MODE SUMMERY

WATER INLET

ERROR

1

IMBALANCE 

ERROR

2

DRAIN

ERROR

3

OVER FLOW 

ERROR

4

PRESSURE 

SENEOR

ERROR

5

DOOR OPEN 

ERROR

6

HEATING 

ERROR

7

• Correct water level (246) is not reached within 8 minutes 

after water is supplied or it does not reach the preset water
level within 25 minutes.

• The load is too small.
• The appliance is tilted.
• Laundry is gathered to one side.
• Non distributable things are put into the drum.

• Door not all the way closed.
• Loose electrical connections at Door switch and PWB

Assembly.

• The DOOR SWITCH ASSEMBLY is out of order.

• Not fully drained within 10 minutes.

• The SENSOR SWITCH ASSEMBLY is out of order.

• The THERMISTOR is out order.

• Water is overflowing (water level frequency is over 213). 

If               is displayed, the drain pump will operate to drain
the water automatically.

If you press the START/PAUSE button when an error is displayed, any error except 

will

disappear and the machine will go into the pause status.
In case of 

,

,

if the error is not resolved within 20 sec., or the in case of other errors,

if the error is not resolved within 4 min., power will be turned off automatically and the error code will
blink. But in the case of 

, power will not be turned off.