LG WT4801CW Service Manual page 34

8) Water drains when it should not
When, what, and how to check
Drain Hose
1. Verify the drain hose is inserted in a
standpipe or drain that is 0.9 ~ 1.2 m
(36 ~ 46 inches) above the floor.
9) Drain error (DE) is displayed even when water drains normally
When, what, and how to check
Pressure Switch
1. In TEST MODE, check the pressure
switch frequency with the tub empty.
10) Machine spins even with lid open
When, what, and how to check
Lid Switch
1. Check resistance between both
terminals on the lid switch with the lid
open.
Result of Check
Discharge height Incorrect installation.
incorrect.
Result of Check
Below 26.3 kHz Defective pressure
switch
Between 26.3 and Defective main board
27.1 kHz
Result of Check
Contacts of switch are
0~9 Ω
welded.
Defective main board.
∞Ω
34
Possible Cause
Possible Cause
Possible Cause
How to repair
Insert the drain hose in a
standpipe or drain that is
0.9 ~ 1.2 m (36 ~ 46 inches)
above the floor.
How to repair
Replace the pressure switch.
Replace the main board.
How to repair
Change the lead wire
assembly.
Replace the main board.