Haier
False Door Ajar Alarm
Wine cooler beeps continuously or intermittently even when the door appears closed.
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Possible Causes
Misaligned door or hinges, Weak door magnet for reed switch, Faulty door switch, Warped cabinet or door gasket leak
How to Fix / Troubleshooting
Safety: Unplug the unit if you will adjust hinges or access wiring.
Steps to stop false alarms:
- Verify door closure: Check that the door closes flush with the cabinet on all sides and that no shelves or bottles obstruct closure.
- Inspect hinges: Tighten hinge screws and adjust if the door has sagged.
- Check gasket: Ensure the gasket is not twisted or deformed, preventing full closure.
- Test door switch: Locate the door switch or reed sensor and test with a magnet or by manually actuating it. Replace if it does not reliably change state.
- Replace magnet (if applicable): If the door magnet is weak or missing, install a new magnet in the original location.
- Re-test: Restore power and confirm that the beeping stops when the door is properly closed.
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Repair Difficulty
Easy
2/5
Required Part
Door Reed Switch
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