LG CW2079CWD Service Manual page 24

OE ERROR (DRAIN TROUBLE)
NO
Is the drain hose twisted or frozen?
NO
NO
Is the connector disconnected or disassembled?
NO
Is the coil of the drain pump too high or low?
(resistance of the coil is 10-20 Ω)
NO
When checking voltage between connectors
( and ) during drain, is the voltage 120 V AC
as in the figure?
YES
YES
YES
YES
2 1
(Yellow 4pin)
4 3
23
Repair the DRAIN HOSE
ASSEMBLY.
Reconnect or repair the
connector
Replace the DRAIN
PUMP ASSEMBLY.
Replace the MAIN PWB
NO
ASSEMBLY.