Washer-dryer combo displays F37 and may not heat water properly.

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

Open or shorted heater thermistor, Loose thermistor wiring, Failed main control temperature circuit

Safety first: Unplug the unit and shut off water.

Locate thermistor: Find the heater thermistor on the heater housing or tub.
Check wiring: Ensure the connector is secure and wires are intact.
Test thermistor: Measure resistance and compare to specifications. Replace if out of range.
Control board: If thermistor and wiring are good, replace the main control board.

Hard 4/5

Heater Thermistor

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