LG WD-3274RHD Service Manual page 23

WASH HEATER TROUBLE
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
When checking THERMISTOR on the tub is the
THERMISTOR loosened above 2mm from
the rubber?
YES
NO
YES
YES
23
NO
YES
NO
NO
NO
YES Push the THERMISTOR
tightly to the rubber.