LG WD-3243RHD Service Manual page 24

(1)
AC 120-127V
YELLOW
RED
TEMP.
WASH HEATER TROUBLE
When checking the voltage between
connector during whites washing. is the
voltage 120-127V?
After power off,is the resistance of wire
(RED-YELLOW) connectors between
10 ~30 ?
After power off and the heater terminal is
disconnected, is the resistance 10~30 ?
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
When pressing WATER TEMP. during, is the
displayed temperature is over 10ûC
higher than the selected temperature?
Is the resistance between Thermistor
Comectors 2.5k ~ 180k
When checking THERMISTOR on the tub is the
THERMISTOR loosened above 2mm from
the rubber?
YES
1 2 3
NO
YES
?
YES
23
Replace the MAIN PWB
NO ASSY
YES
Normal
Replace the
NO
HEATER ASSEMBLY
Check if inlet hose is
connected to a hot
faucet ; otherwise,
NO
replace PWB
ASSEMBLY(Main)
Replace Thermister
NO
YES
Push the THERMISTOR
tightly to the rubber.