Frigidaire
Display / User Interface Failure
Dehumidifier display is dim, flickering, or segments are missing, but the unit may still run.
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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 ribbon cable between UI and main board, Failing LED/LCD display module, Low voltage from control board, Moisture intrusion into control panel
How to Fix / Troubleshooting
Safety: Unplug the unit before removing the control panel.
Steps:
- Dry environment: Move the unit to a dry area and let it sit unplugged for several hours in case of condensation inside the panel.
- Access UI board: Remove the front bezel or top cover to access the display/control board.
- Check ribbon cable: Ensure the flat cable between the UI and main board is fully seated and not damaged.
- Inspect for corrosion: Look for signs of moisture or corrosion on the UI board. Clean lightly with isopropyl alcohol and a soft brush if minor.
- Replace UI board: If the display remains unreadable, replace the user interface board with a Frigidaire OEM part.
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Repair Difficulty
Medium
3/5
Required Part
User Interface Board
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