Samsung
Long Run Time / Thermostat or Control Issue
Freezer runs constantly and never shuts off; interior may be too cold or still not cold enough.
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Possible Causes
Door gasket leaking, Temperature sensor out of calibration, Dirty condenser coils causing poor heat rejection, Low refrigerant charge, Main PCB not terminating cooling cycle
How to Fix / Troubleshooting
Safety: Disconnect power before cleaning or accessing components.
- Check door closure: Ensure the door closes fully and is not obstructed by bins or food. Verify the door switch is actuated when closed.
- Inspect gasket: Look for gaps or tears in the Samsung door gasket. Replace if damaged.
- Clean condenser: Vacuum and brush the condenser coils and fan area to improve efficiency.
- Verify temperature setting: Avoid setting the freezer to the coldest setting unnecessarily. Use the recommended setting.
- Check internal temperature: Use a thermometer to confirm actual temperature. If the freezer is reaching setpoint but still runs constantly, the control board or sensor may be faulty and should be checked by a technician.
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Repair Difficulty
Easy
2/5
Required Part
Freezer Door Gasket
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