SMEG
Short Cycling
Wine cooler cycles on and off very frequently, with short run times.
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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
Temperature sensor located too close to cold air outlet, Control PCB hysteresis too narrow, Poor air circulation due to overloading, Ambient temperature fluctuations
How to Fix / Troubleshooting
Safety: Unplug the unit before moving sensors or adjusting internal components.
Steps to reduce short cycling:
- Improve air circulation: Avoid blocking air vents with bottles and do not overpack shelves.
- Check sensor placement: Ensure the cabinet sensor is not directly in the path of cold air from the evaporator outlet. Reposition slightly if possible.
- Stabilize environment: Avoid placing the wine cooler in areas with large temperature swings or direct sunlight.
- Control board: If cycling remains excessive and affects temperature stability, the control PCB may need firmware update or replacement, which must be done by a technician.
Note: Some cycling is normal, but very short, frequent cycles can reduce compressor life.
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Repair Difficulty
Medium
3/5
Required Part
Cabinet NTC Temperature Sensor
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