F2E2
JennAir
User Interface to Control Board Communication Error
Dishwasher displays F2E2 and may not respond to commands; cycle may cancel unexpectedly.
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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 or damaged UI ribbon cable, Corroded connector pins, Failed UI board, Failed main control board
How to Fix / Troubleshooting
Safety: Disconnect power at the breaker.
- Access wiring: Remove the inner door panel to expose the UI board and main control board.
- Inspect ribbon cable: Check the flat ribbon cable between the UI and main control for cracks, pinches, or burn marks. Replace if damaged.
- Clean connectors: Use a dry, soft brush or electronics contact cleaner (applied to a cotton swab) to gently clean connector pins. Let dry completely.
- Reseat connectors: Firmly reseat both ends of the ribbon cable and any harnesses between the UI and control.
- Test operation: Restore power and run a short cycle. If F2E2 returns, one of the boards is faulty.
- Board replacement: Replace the UI board first (most common). If the issue persists, replace the main control board.
Warning: Do not work on the control area with power applied; risk of electric shock.
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Repair Difficulty
Hard
4/5
Required Part
User Interface Control Panel
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