F4 E2 — Magnetron Temperature Sensor Error

What does F4 E2 mean?

The KitchenAid Microwave Combination Oven has detected an issue with the magnetron temperature sensor. This sensor is crucial for monitoring the temperature of the magnetron, which generates microwaves. An error here means it's not reporting correctly.

• Loose connection to the temperature sensor
• Faulty magnetron temperature sensor
• Problem with the Microwave Appliance Manager board

Click steps to track your progress.

1. 1

   Unplug the oven or disconnect its power at the circuit breaker for at least 10 seconds.

2. 2

   Plug the oven back in or restore power.

3. 3

   Place a microwave-safe cup of water inside the oven cavity.

4. 4

   Start a microwave cooking function for 1 minute and observe if the error returns.

5. 5

   If the error persists, contact customer service for assistance.