Honeywell
Display / LED Failure
Dehumidifier display is dim, flickering, or segments are missing, but the unit otherwise runs.
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Possible Causes
Aging or failed LED display, Loose display connector, Low voltage from control board, Moisture damage to display board
How to Fix / Troubleshooting
Safety: Unplug before removing the control panel.
Steps:
- Check connections: Remove the control panel and reseat the connector between the display board and main PCB.
- Inspect for moisture: Look for condensation or corrosion on the display board; dry and clean with contact cleaner if minor.
- Replace display board: If segments are permanently missing or the display is very dim, replace the user interface/display board.
Tip: Even with a faulty display, avoid guessing settings; repair or replace the display to ensure safe operation.
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Repair Difficulty
Easy
2/5
Required Part
User Interface / Display Board
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