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Wolf Microwave Running but Not Heating


  • Display or key pad working, but Microwave Oven MW24, MWC24, or MWD24 does not heat
  • MDD, MS, or MC Microwave turntable spins, but unit does not heat food
  • Microwave turntable does not rotate
  • Microwave works, but is not heating food
  • MD microwave not heating, food is cool or cold after microwave stops
  • Should the time count down quickly or normal when microwave is in use?


Possible causes:

  • Short or opened wiring
  • Magnetron
  • Power transformer
  • Rectifier
  • High-voltage capacitor
  • Primary interlock system
  • Touch control panel
  • Low voltage


  1. If it is a new installation, make sure the unit is not in demonstration mode.
  2. Unplug the unit to reset power, or reset at the electrical supply source.
  3. If these troubleshooting steps do not resolve the issue, service is necessary to expertly diagnose and repair the product. Contact Factory Certified Service to schedule an appointment for repair.

Refer to the product Use and Care Guide for further information.


Need further assistance? Contact Customer Care at 800.222.7820 or provide your information below and request a Customer Care representative contact you.

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