Whirlpool Microwave Error Code F5: How to Fix It

Q: What causes the humidity sensor to short out in a Whirlpool microwave?

Humidity sensors typically fail due to age, moisture exposure, electrical surges, or manufacturing defects. Steam and grease buildup over time can also cause sensor deterioration and eventual failure.

Q: Can I still use my Whirlpool microwave with the F5 error code?

You may be able to use basic manual cooking functions, but sensor reheat, auto-cook, and other automatic features will not work properly. It's best to fix the issue to restore full functionality.

Q: How much does a humidity sensor replacement cost?

A replacement humidity sensor typically costs $15-40 depending on your specific Whirlpool model. Professional installation may add $100-150 to the total cost.

Q: How do I prevent humidity sensor problems in my microwave?

Keep your microwave clean, especially around vents. Avoid excessive steam buildup by covering foods when appropriate, and ensure proper ventilation during and after cooking.

Q: Is the F5 error code the same on all Whirlpool microwave models?

While F5 commonly indicates humidity sensor issues across Whirlpool models, always consult your specific model's manual as error codes can vary between different series and years.

Abstract

The F5 error code on your Whirlpool microwave indicates that the humidity sensor has shorted out or failed. This sensor helps regulate cooking times for sensor reheat and auto-cook functions, and when it malfunctions, your microwave may not operate properly.