What does F2 E3 mean?
User interface and main control board are not compatible or mismatched.
Common causes
- Wrong user interface board installed
- Wrong main control board
- Software version mismatch
Diagnostic & testing steps
- 1. Verify correct UI board part number for model
- 2. Verify correct main board part number
- 3. Check if boards have compatible firmware
- 4. Replace mismatched board with correct part
OEM parts & part numbers
User Interface Board, Main Control Board
Part numbers: W11162438
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