LG WFS1939EKD Service Manual page 51

8) Water drains thought it is not the time of drain.
Where, what & how to check?
Drain Hose
1. Check whether the drain hose is
installed properly so that the discharge
hight is about 0.9~1.2m from the floor.
9) Drain error happens while water drains normally.
Where, what & how to check?
Pressure Switch
1. Check generation frequency of the
pressure switch without water.
10) Spining is going on even though the lid is open.
Where, what & how to check?
Lid Switch
1. Check resistance between both
terminals of the lid switch with the lid
open.
Result of Check
The discharge height Wrong installation of the
is lower than drain hose.
recommendation.
Result of Check
Less than 26.3 kHz Defect of the pressure
switch.
26.3~27.1 kHz Defect of the controller.
Result of Check
Contact points of the lid
0~9
Ω
switch is welded.
Defect of the controller.
∞ Ω
50
How to repair & settle
Possible Cause
Put the outlet of drain hose
between 0.9m and 1.2m
How to repair & settle
Possible Cause
Change the pressure switch.
Change the controller.
How to repair & settle
Possible Cause
Change the lead wire
assembly.
Change the controller.