Microwave Drop-Down Door Oven Appears to Operate Correctly but Produces Little or No Heat

Cause:

  • Misadjustment of switches
  • Relays 1 and 2
  • Control board faulty
  • Thermal cutout (magnetron) faulty
  • Monitor switch faulty
  • Monitored latch switch faulty
  • Open circuit wire harness
  • High voltage capacitor faulty
  • HV wiring faulty
  • HV rectifier assembly faulty
  • High voltage transformer faulty
  • Magnetron faulty

Topics:

  • MDD little to no heat is produced
  • What causes the Microwave to not produce heat?

Steps to Verify Issue:

Turn the home circuit breaker to the unit off for 30 seconds then back on again. Then retest the unit operation.

Answer:

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

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