IceKing Thermostat / Temperature Control Fault

Refrigerator runs constantly and is too cold, food freezing in the fridge compartment.

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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 fridge NTC sensor reading too warm, Stuck relay on main PCB keeping compressor on, Air damper stuck open, Incorrect temperature setting or calibration

How to Fix / Troubleshooting

Safety first: Disconnect power before accessing sensors or control boards.

Steps:

  • 1. Verify settings: Ensure the fridge temperature is set to a normal value (around 4°C). Reset to factory default if unsure.
  • 2. Check sensor: Test the refrigerator compartment NTC sensor resistance at a known temperature. Replace if out of specification.
  • 3. Inspect damper: Confirm the air damper between freezer and fridge is not stuck fully open. Replace the damper assembly if it does not move.
  • 4. PCB evaluation: If sensor and damper are good but the compressor never cycles off, the main PCB relay may be stuck closed. Replace the main control PCB.

Note: Overcooling wastes energy and can damage food quality; address promptly.

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Repair Difficulty

Medium 3/5

Required Part

Refrigerator Compartment NTC Temperature Sensor
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