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F1 — Open Thermal Sensor
critical
The thermal sensor circuit is open, typically caused by excessive heat buildup inside the microwave cavity.
Common causes
- Excessive heat in the microwave cavity
- Failed or disconnected thermal sensor
How to fix it
- Schedule a service appointment
- Check for ventilation blockages that may cause overheating
- Technician should test and replace thermal sensor if open circuit confirmed
Parts you might need
- Thermal sensor
Compiled from Ge's public support resources — original page. Recalled.co is not affiliated with Ge. Report incorrect information at hello@recalled.co.