Microwave Runs But Does Not Heat

If the microwave runs but is not heating, it could be one of many components.

  • Make sure the “Timer” function was not inadvertently used.
  • Check to ensure the is door closed firmly. Close it firmly, but do not slam. This confirms the engagement of the door's safety mechanisms.


For safety reasons, we offer no do-it-yourself repair advice on microwave ovens due to an internal high voltage capacitor (can hold a high voltage charge even after it has been unplugged). Special equipment is generally needed to make a diagnosis.

If the above suggestions do not solve the problem and the microwave still won't heat, we recommend contacting service. If you would like to schedule a service appointment, please contact GE Appliance Service at 1-800-432-2737 or schedule a service appointment online.