LG F52590WH/01 Service Manual page 26

When checking the voltage between
connector during whites washing.
Is the voltage 220-240V AC?
After power off, is the resistance of wire
(RED-YELLOW) connectors between
10Ω -30 Ω?
After power off and the heater terminal is
disconnected, is the resistance 10-30 Ω?
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
When pressing Temp. button is the displayed
temperature over 10˚C higher than the
selected temperature?
(1)
Is the resistance between ④ and ⑤
of Connector (1) 2.5-180㏀?
DRAIN MALFUNCTION
26
Replace the MAIN
PWB ASSEMBLY
Normal
Replace the
PWB HARNESS.
Check if inlet hose is
connected to a hot
faucet; otherwise,
replace MAIN PWB
ASSEMBLY.
Check electrical
connection.
Replace THERMISTOR.