Inventor
Short Cycling
Dehumidifier runs for a few minutes then shuts off and restarts frequently
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Possible Causes
Oversized unit for small room, Faulty humidity sensor causing rapid on/off, Overheating compressor or fan, Incorrect placement near humidity source
How to Fix / Troubleshooting
Safety: Unplug the unit before moving or opening it.
- Placement: Move the dehumidifier to a more central location away from direct moisture sources (like a bathroom door) and away from cold drafts.
- Check humidity setting: Set the target humidity to a reasonable level (e.g., 50–55%) to avoid rapid cycling.
- Clean filter and coils: Ensure good airflow to prevent overheating.
- Humidity sensor: If the unit cycles even when humidity is stable, inspect and replace the humidity sensor module.
- Compressor protection: Persistent short cycling with hot compressor may indicate a failing compressor or overload protector; consult a technician.
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Repair Difficulty
Easy
2/5
Required Part
Humidity Sensor Module
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