Microwave Drawer Oven Light Turns On but Fan Motor and Stirrer Motor Do Not Work


  • Metal key/power supply unit
  • LCD board
  • Relay (RY1) common (OL)
  • Relay (RY3) stirrer motor
  • Relay (RY4) fan
  • Secondary interlock system
  • Primary or door sensing switch
  • Short or opened wiring
  • Short in power cord
  • Wrong operation


  • Microwave drawer lights turn on
  • Fan motor and stirrer motor do not work, are not responsive
  • No power to fan motor or stirrer motor in MD model

Steps to Verify Issue:

If the light in a Microwave Oven turns on, but the fan motor and stirrer motor do not work:

  1. Ensure there is power to the product.
  2. Try a second outlet if possible.
  3. Turn the home circuit breaker to the unit off for 30 seconds then back on again.
  4. Retest the unit operation.


If these steps do not resolve the issue, no further customer troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.

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