GE Microwave Error F5
⚡ Quick Answer: The GE microwave error F5 indicates a malfunction in the humidity sensor circuit, which can lead to issues such as the microwave not heating, control ... ✅ DIY Fixable
What Does Error F5 Mean?
The GE microwave error F5 indicates a malfunction in the humidity sensor circuit, which can lead to issues such as the microwave not heating, control locks, and unusual buzzing sounds. This error typically appears when starting the microwave or during operation, signaling a shorted humidity sensor or related wiring issues. Addressing this error may require inspecting the sensor circuit or replacing components.
Common Symptoms:
- F5 appears on display when starting or during operation
- Microwave may stop working, lock controls, or not heat properly
Possible Causes
- Shorted humidity sensor (high)
- Wiring issue between humidity sensor and control board (medium)
- Main control board fault affecting humidity sensor circuit (medium)
How to Fix Error F5
DIY Fix Basic checks and reset
- Unplug microwave from power for ~60 seconds to reset internal electronics
- Ensure the microwave is on a properly grounded outlet and not overloaded circuit
- Try a basic cook cycle to see if F5 reappears
Technician Only Inspect and repair humidity sensor circuit
- Disconnect power completely to microwave
- Remove outer panels to locate humidity sensor inside cavity
- Inspect sensor for physical damage, corrosion, or debris
- Check wiring harness integrity and continuity to main control board
- Replace humidity sensor if shorted; if error persists with sensor disconnected, test and replace control board
Parts needed: humidity sensor, wiring harness, control board
- If you are unfamiliar with appliance electrical repair
- If the error persists after basic resets and you cannot safely access internal components
Next step
Choose the next step for F5
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
- Typical part-only price
- $20 - $120
- DIY difficulty
- Medium
- Estimated time
- 30-90 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Microwave parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Technical Specifications
| wattage | 1000W |
|---|---|
| component | Magnetron |
| resistance | 0.5-1.5 ohms |
| part_number | GE WB27X10929 |
| voltage_rating | 120V AC |
Common Questions
What does F5 error mean on GE microwave?
F5 error indicates a humidity sensor malfunction, causing the microwave to not heat and display issues.
Can I fix GE microwave F5 error myself?
Yes, try unplugging the microwave for 60 seconds and check the outlet and circuit before further actions.
How much does it cost to fix F5 error?
Repair costs for the F5 error range from $50 to $300+, depending on the model and necessary repairs.
When should I call a technician for F5?
Call a technician if you are unfamiliar with appliance repairs or if the error persists after basic troubleshooting.
Sources & References
- GE Microwave Fault Code Definitions (official)
Data last verified: 2026-07-26
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