Humidity Sensor Error
F4
The humidity sensor is open.
GE Microwave F4 Error Code Error Code Possible Causes
- The main PCB is defective.
- The humidity sensor is defective.
- Wiring issue between the main PCB and the humidity sensor.
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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.