E72
GE Profile
Dryer Temperature Sensor (Thermistor) Error
Washer-dryer combo displays E72 and may not regulate dryer temperature correctly; clothes may be under-dried or overheated.
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Safety Warning
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.
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Possible Causes
Failed dryer thermistor, Loose thermistor connection, Damaged thermistor wiring harness, Control board sensor circuit fault
How to Fix / Troubleshooting
Safety first: Unplug the unit before accessing the dryer section or control board.
- Locate dryer thermistor: Typically mounted on the blower housing or exhaust duct inside the combo.
- Inspect and reseat connector: Check for loose or corroded connections at the thermistor. Clean and reseat the connector.
- Measure resistance: With the thermistor disconnected, measure its resistance at room temperature and compare to GE specifications. Replace if out of range or open/shorted.
- Check wiring harness: Trace the harness from the thermistor to the main control board. Repair any damaged sections.
- Replace thermistor or control: Install a new dryer thermistor if faulty. If the thermistor and wiring are good, the main control board may need replacement.
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Repair Difficulty
Medium
3/5
Required Part
Dryer Thermistor
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