Frigidaire
Control Logic / Keypad Malfunction
Dehumidifier turns on by itself or changes settings without input.
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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 keypad buttons, Moisture in control panel, Faulty user interface board, Electrical interference
How to Fix / Troubleshooting
Safety: Unplug before opening the control panel.
Steps:
- Dry environment: Move the unit to a dry area and leave unplugged for several hours to allow any moisture in the panel to evaporate.
- Clean panel surface: Wipe the control panel with a slightly damp cloth and then dry thoroughly. Do not allow liquid to seep into buttons.
- Inspect UI board: Remove the bezel and check the keypad board for signs of moisture or corrosion.
- Reseat connectors: Ensure the ribbon cable between the keypad and main board is secure.
- Replace UI board: If phantom button presses continue, replace the user interface board.
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Repair Difficulty
Medium
3/5
Required Part
User Interface Board
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