Heating Without Water; Drain Malfunction - LG WM2350H*C Service Manual

HEATING WITHOUT WATER

When pressing CUSTOM PROGRAM and PRE-WASH
at the same time after draining, is the water level
frequency 255?
When pressing WASH/RINSE and DELAY WASH
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 120 V AC?

DRAIN MALFUNCTION

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 120 V AC as in the figure?
24
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.