F6E0
KitchenAid
Communication Error Between User Interface and Main Control
Microwave displays F6E0 and may be completely unresponsive or intermittently lose power to the display.
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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
Loose harness between UI board and main control, failed user interface board, failed main control board, corrosion on low-voltage connectors
How to Fix / Troubleshooting
Safety: Unplug the microwave before accessing the control area.
- Access controls: Remove the upper grille and control panel to expose the user interface and main control boards.
- Check harness connections: Reseat all multi-pin connectors between the UI and main control. Look for bent pins or corrosion.
- Inspect for damage: Examine both boards for burnt components or signs of moisture.
- Isolate failure: If available, follow the tech sheet's diagnostic steps to determine whether the UI or main control is at fault. In many cases, replacing the user interface board resolves F6E0.
- Replace board: Replace the identified faulty board with the OEM KitchenAid part and re-test.
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Repair Difficulty
Hard
4/5
Required Part
User Interface Board
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