K
f1e2
Moderate
KitchenAid · Dishwashers
Control Board Communication Failure
Quick Answer
Error code F1E2 on your KitchenAid Dishwashers means: Control Board Communication Failure. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Communication link between the main control board and the user interface board is interrupted
  2. Ribbon cable or wire harness connecting the two boards is damaged or disconnected
  3. One of the boards has a failed communication chip
  4. Power supply section of the main board is not providing stable voltage to the communication bus
How to Fix It
1
Disconnect power for 10 minutes and restore to attempt a system reset
2
Remove the outer door panel to access the main control board and the connection to the UI board on the front panel
3
Reseat the ribbon cable or wire harness connectors at both the main board and the UI board
4
Inspect the cable for cuts, pinches, or bent pins at the connectors
5
Replace the ribbon cable first; if the error continues, replace the main control board, then the UI board if needed
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Communication ribbon cable/wire harness (model-specific)
Main control board (model-specific)
UI/display board (model-specific)
Related Error Codes
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