F28
Inglis
User Interface to CCU Communication Error
Washer displays F28 and may not respond to control inputs; communication error between user interface and main control.
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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 UI harness, failed user interface board, failed main control board, moisture intrusion into console
How to Fix / Troubleshooting
Safety First: Unplug the washer before removing the console.
Step-by-step checks:
- 1. Remove console: Take off the top panel, then remove screws securing the console. Carefully tilt it forward.
- 2. Reseat UI harness: Disconnect and reconnect the ribbon cable or harness between the user interface and main control. Inspect for corrosion or damage.
- 3. Check for moisture: Look for signs of water or detergent inside the console. Dry thoroughly and correct any leaks from the dispenser or top.
- 4. Inspect buttons and display: If some buttons are unresponsive or the display is erratic, the UI board may be failing. Replace the user interface assembly.
- 5. If F28 persists: Replace the main control board after confirming harness integrity.
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Repair Difficulty
Medium
3/5
Required Part
User Interface Control Board
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