GE Appliances Microwave Error Code F2
Shorted thermal sensor
The opposite of F1: the cavity thermal sensor circuit reads shorted, so the control sees a false high-temperature signal. The microwave may refuse convection functions or abort cooking. Sensor or harness replacement is the standard fix per GE's fault table.
What Does Error Code F2 Mean on a GE Appliances Microwave?
Shorted thermal sensor.
The opposite of F1: the cavity thermal sensor circuit reads shorted, so the control sees a false high-temperature signal. The microwave may refuse convection functions or abort cooking. Sensor or harness replacement is the standard fix per GE's fault table.
What Causes Error Code F2?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Shorted cavity thermal sensor 60% of cases
- 2 Pinched or chafed harness wire 25% of cases
- 3 Control board fault 15% of cases
How to Fix GE Appliances Microwave Error Code F2
- 1
Clear and retry
Press Cancel/Off, then retry. If F2 returns immediately, the short is hard.
- 2
Power-reset
Breaker off (or unplug) for 60 seconds.
- 3
Book service
Sensor and harness access requires opening the case — a technician job on microwaves.
⚠️ Do not open a microwave case — the HV capacitor stores a lethal charge.
How to Reset Error Code F2
Press Cancel/Off to clear, or power-cycle at the breaker for 60 seconds.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
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When to Call a Professional
Same safety rule as every internal microwave fault: case-off work is for technicians. If the unit is over ~8 years old, replacement often beats the service call on countertop models — OTR models are usually worth fixing.
Related Error Codes
Same Code on Other Brands
Error code F2 appears on these other brands too. See every brand that shows F2 →
Find Replacement Parts
Use these links to find the exact replacement parts for your GE Appliances Microwave:
External links — ApplianceErrors.com is not affiliated with these retailers.
More GE Appliances Microwave Error Codes
Frequently Asked Questions
What does error code F2 mean on a GE Appliances Microwave? +
How do I fix error code F2 on my GE Appliances Microwave? +
How do I clear or reset error code F2? +
Is error code F2 serious? +
Sources & References
- • GE Appliances Support — official manufacturer documentation
- • Our editorial & verification policy
Content verified against manufacturer service documentation. Last verified: June 12, 2026.