Whirlpool Microwave Error Code F8: How to Fix It

Q: Can I still use my Whirlpool microwave with F8 error?

No, you should not use the microwave when the F8 error is displayed. This error indicates a safety sensor failure, and continued use could lead to overheating or other dangerous conditions.

Q: How much does a Whirlpool microwave temperature sensor cost?

A replacement cavity temperature sensor typically costs between $15-40, depending on your specific Whirlpool microwave model. This is much less expensive than replacing the entire microwave.

Q: What causes the F8 error code in Whirlpool microwaves?

The F8 error is usually caused by a faulty temperature sensor, loose wiring connections, or damage to the sensor wiring harness. Age, heat exposure, and normal wear are common causes of sensor failure.

Q: How do I reset my Whirlpool microwave after fixing F8 error?

After completing the repair, simply plug the microwave back in. The control board will automatically reset and the F8 error should clear if the temperature sensor is functioning properly.

Q: Is the F8 error covered under Whirlpool warranty?

Coverage depends on your microwave's age and warranty terms. Temperature sensor failures within the first year are typically covered, but check your specific warranty documentation or contact Whirlpool customer service.

Abstract

The F8 error code on your Whirlpool microwave indicates that the cavity temperature sensor has an open circuit, meaning it's disconnected or faulty. This sensor monitors the internal temperature to prevent overheating and ensure safe operation. When this error appears, your microwave will typically shut down to protect itself from potential damage.