Microwave oven will not operate - Appliance not powering on or starting

What does No Operation mean?

The microwave oven does not respond or start a cooking cycle. This can be due to issues with the electrical supply, the door, or control settings.

• Blown household fuse or tripped circuit breaker.
• Magnetron malfunction (water does not heat).
• Door not firmly closed or a packaging spacer is present.
• Door closed for 5 minutes or more without starting a cycle.
• Control Lock is ON or Demo mode is ON.

Click steps to track your progress.

1. 1

   Check your household fuse box or circuit breaker panel; replace any blown fuse or reset a tripped breaker.

2. 2

   Firmly close the microwave door; remove any packaging spacer from inside the door if present.

3. 3

   If the door was closed for 5 minutes or more without starting, open and close it again, then start the cycle.

4. 4

   Ensure Control Lock is OFF by touching and holding the Cancel keypad for 3 seconds.

5. 5

   Verify that Demo mode is OFF by checking the oven's settings if applicable.

6. 6

   If heating 1 cup (250 mL) of cold water for 2 minutes at 100% power does not heat the water, call for service.