Logik
Unstable Temperature Control
Freezer temperature fluctuates widely; sometimes too warm, sometimes too cold.
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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
Faulty thermostat or NTC sensor, Loose sensor connection, Control board intermittently failing, Poor air circulation due to blocked vents
How to Fix / Troubleshooting
Safety first: Unplug the freezer before accessing controls or sensors.
- Check air vents: Ensure food items are not blocking internal air vents, especially near the evaporator fan cover.
- Monitor with thermometer: Place a thermometer inside and log temperatures over 24 hours to confirm fluctuations.
- Inspect and test sensors/thermostat: Follow earlier steps for testing the cabinet NTC sensor or mechanical thermostat. Replace if readings are erratic.
- Check wiring connections: Reseat connectors on the main control board and sensor harnesses.
Note: If fluctuations persist after replacing sensors or thermostat, the main control board may be defective and should be replaced by a technician.
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Repair Difficulty
Medium
3/5
Required Part
Cabinet NTC Temperature Sensor
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