GE Appliances Temperature Sensor / Thermistor Fault

Dishwasher displays F6; may relate to water temperature sensing.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Failed thermistor, Loose sensor wiring, Control board sensor circuit failure

Safety: Turn off power before accessing the sump area.

Locate thermistor: Find the temperature sensor in the sump or tub bottom.
Inspect and reseat connector: Ensure the sensor plug is fully seated and free of corrosion.
Test sensor: Measure resistance at room temperature and compare to GE specs. Replace if out of range.
Check harness and control: If sensor is good, inspect wiring to the control board and replace the board if the fault persists.

Hard 4/5

Thermistor (Temperature Sensor)

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