E04
Summit
Turntable Motor or Position Sensor Error
Microwave beeps and shows E04; turntable does not rotate and cooking does not start
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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.
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Possible Causes
Failed turntable motor, Broken or stripped turntable coupler, Jammed turntable support or roller ring, Faulty turntable sensor circuit on control board
How to Fix / Troubleshooting
Safety: Unplug the microwave before inspecting the turntable mechanism.
Inspection steps:
- Remove the glass turntable tray and roller ring. Clean both thoroughly with warm soapy water and dry.
- Inspect the turntable coupler (plastic piece that fits into the motor shaft) for cracks or deformation. Replace if damaged.
- Check for food debris or broken glass pieces in the turntable well that could jam the motor.
- Reinstall the roller ring and tray, ensuring they sit flat and rotate freely by hand.
If E04 persists:
- Access the bottom of the microwave (unplugged) to reach the turntable motor.
- Test the motor for continuity with a multimeter. Replace if open or seized.
- Inspect wiring from the motor to the main control board for damage or loose connections.
After replacing the motor or coupler, reassemble and test with a short heating cycle to confirm the turntable rotates smoothly.
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Repair Difficulty
Medium
3/5
Required Part
Turntable Motor
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