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

  1. Unplug microwave from power for ~60 seconds to reset internal electronics
  2. Ensure the microwave is on a properly grounded outlet and not overloaded circuit
  3. Try a basic cook cycle to see if F5 reappears

Technician Only Inspect and repair humidity sensor circuit

  1. Disconnect power completely to microwave
  2. Remove outer panels to locate humidity sensor inside cavity
  3. Inspect sensor for physical damage, corrosion, or debris
  4. Check wiring harness integrity and continuity to main control board
  5. Replace humidity sensor if shorted; if error persists with sensor disconnected, test and replace control board

Parts needed: humidity sensor, wiring harness, control board

🛑 When to Call a Pro:
  • If you are unfamiliar with appliance electrical repair
  • If the error persists after basic resets and you cannot safely access internal components

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

Data last verified: 2026-01-10

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