F7
Haier
User Interface / Keypad Fault
Display shows F7 and the refrigerator may not respond to user inputs or may behave erratically.
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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
Stuck or shorted touch keys, Moisture intrusion into display panel, Damaged keypad ribbon cable, Faulty display PCB
How to Fix / Troubleshooting
Safety: Unplug the refrigerator before removing the display panel.
Steps:
- 1. Dry the panel: If condensation or spills occurred on the display, wipe it dry and allow several hours with power off to dry internally.
- 2. Inspect keypad: Remove the display panel and check the keypad ribbon cable for damage or corrosion. Reseat the cable.
- 3. Check for stuck buttons: Press each button individually to feel for sticking. Clean around the buttons if debris is present.
- 4. Replace display PCB: If F7 persists and buttons do not respond correctly, replace the display/control PCB with the correct Haier part.
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Repair Difficulty
Medium
3/5
Required Part
Display Control Board
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