F6

Kenmore Microwave Error Code F6 — Microwave Relay Failure

Professional 30–60 minutes No tools needed

What this means

Error F6 indicates the relay on the control board that switches microwave power on and off has failed. A stuck relay can either prevent the microwave from heating or, more dangerously, prevent it from stopping. This is a control board issue.

Step-by-step fix

3 steps
1

Stop using the microwave

If the microwave continues to run after you press stop, unplug it immediately. A stuck relay is a fire hazard.

2

Power cycle

Unplug for 10 minutes and try again.

3

Schedule professional repair

The control board relay needs professional replacement. Do not attempt to repair the relay yourself.

When to call a professional

This error requires professional service. The control board contains high-voltage circuits.

Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.

Learn more about our sources

Parts you may need

Main Control Board

Part #Model-specific · $100–$200

If relay has failed

Find Part

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Quick Info

BrandKenmore
ApplianceMicrowave
Error CodeF6
DifficultyProfessional
Est. Time30–60 minutes