Drain Error - LG LD1455WLFCS2 Service Manual

Drain Error

Motor rpm is not increased.
Is the connector connected to
main PCB assembly disconnected
or disassembled? (YL3 : Pump signal)
No
Is the voltage between connectors
out of range?(YL3 pin1~pin2~pin3)
- After remove terminal position
assurance (TPA) of connector,
check the voltage when water is
drained.(The voltage is over 5V AC)
Yes
Is the resistance values between
connectors out of range?
(range is 4~5Ω)
(Yellow 3P, pin1~pin2~pin3)
Yes
Is the connector connected to
drain motor disconnected
or disassembled?
Is displayed?
Yes
Does the drain motor operate?
How to check the water supply
① press 3 buttons at the same time.
(Half load, Delay start and Power)
② press 'Delay start' button 2 times
Yes
Reconnect or
repair the connector.
No
Replace the main
PCB assembly.
No
Replace the drain
motor
Yes
Reconnect or
repair the connector.
Condition.
Not fully drained out in spite of 5 min. drain operation.
Motor rpm is increased.
Is the filter clogged?
No
Is the outer drain hose
kinked or blocked or frozen?
No
Is the inner drain hose
and drain case
kinked or blocked or frozen?
36
Yes
Clean the filter
Remove the cause of kink
Yes
or block.
Remove the cause of kink
Yes
or block.