WD-E1212TD - LG Washing Machine Service Manual (repair manual). Page 25

NO

YES

YES

YES

YES

NO

NO

NO

NO

YES

YES

NO

Rinse

Spin

PWB ASSY(Main)

AC 220-240V

Replace the
SENSOR SWITCH
ASSEMBLY.

Replace the MAIN PWB
ASSEMBLY.

Repair the DRAIN HOSE 
ASSEMBLY.

Remove foreign material.

Reconnect or repair the
connector

Replace the DRAIN
PUMP ASSEMBLY.

Replace the MAIN PWB 
ASSEMBLY.

When pressing SPIN and RINSE at the same time after
draining, is  the water level frequency 255?  
When pressing SPIN and RINSE buttons at the same
time while washing, is the water level frequency
between 230 - 243 ?

Check the voltage between two pins while pressing
the POWER button. Is the voltage  220-240V AC?

Is the drain hose twisted or frozen?

Is the impeller of the drain pump clogged?

Is the connector disconnected, disassembled?

Is the coil of the drain pump too high or low?
(resistance of the coil is 10-20 Ω)

When checking voltage between connectors during

spin, is the voltage 220-240V AC as in the figure? 

HEATING WITHOUT WATER

DRAIN MALFUNCTION