Arctic King Continuous Run / Control or Sensor Issue

Unit runs continuously without cycling off, even when interior seems cold.

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.

Possible Causes

Faulty temperature sensor, Air leak at door gasket, Control board not terminating cooling cycle

Safety: Unplug before accessing components.

Steps:

Verify temperature: Use a thermometer to confirm actual interior temperature.
Check door seal: Inspect and replace the door gasket if it leaks.
Test cabinet sensor: Measure resistance of the cabinet NTC sensor and replace if out of spec.
Inspect control board: If sensor and gasket are good, the main control board may not be recognizing the setpoint and should be replaced.

Medium 3/5

Cabinet NTC Temperature Sensor

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