Midea
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 temperature sensor, Loose sensor mounting, Intermittent thermostat contacts, Control board logic fault
How to Fix / Troubleshooting
Safety first: Unplug before accessing sensors or controls.
Steps:
- Verify with thermometer: Place a reliable thermometer inside and log temperatures over 24–48 hours.
- Check sensor placement: Ensure the cabinet sensor is properly clipped to its mounting point and not hanging loose.
- Test/replace sensor: Follow E1 steps to test the NTC sensor and replace if readings are unstable or out of range.
- Thermostat check: On mechanical models, replace the thermostat if it cycles erratically.
- Control board: If sensors and thermostat are good, the main control board may be mismanaging cycles and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Cabinet Temperature Sensor (NTC)
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