Heater Error
HE
The dishwasher water temperature is not rising or is over 194 deg F.
LG Dishwasher HE Error Code Error Code Possible Causes
- The heater is defective.
- The heater relay is defective (Main PCB).
- The heater is not connected to the wire harness
- The wire harness is defective.
- The Main PCB is defective.
- The thermistor is defective.
- There is low or no water in the dishwasher.
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This information is provided for educational purposes only. Please consult the appropriate Service Mode or Technical Document for your model. Always take proper safety precautions when installing or repairing any major appliance.