Wolf Partial Power / Relay or Interlock Failure

Microwave fan runs but interior light and turntable do not operate; food does not heat.

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Faulty door switch not allowing high-voltage circuit, Failed relay controlling lamp and turntable, Wiring harness issue between control and components

How to Fix / Troubleshooting

Safety first: Unplug the microwave before further troubleshooting.

User checks:

Verify the door closes securely and that the door switches click when opening/closing.
Check that the unit is not in a special mode (such as a vent-only mode on combination units).

If symptoms persist:

A door switch or control relay is likely defective and should be tested and replaced by a technician.

Repair Difficulty

Hard 4/5

Required Part

Door Switch Assembly

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