F2
Arctic King
Evaporator Coil Sensor Error (Alternate Code)
Display shows F2; unit may shut down cooling or run erratically.
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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
Open or shorted evaporator thermistor, Sensor not in proper contact with coil, Damaged harness, Faulty main PCB
How to Fix / Troubleshooting
Safety: Unplug the unit before removing covers.
Steps to fix F2:
- Access evaporator: Remove front panel and filter to expose the evaporator coil.
- Check sensor: Locate the thermistor clipped to the coil. Ensure it is firmly attached and not corroded or broken.
- Inspect wiring: Follow the harness to the PCB, checking for pinched or cut wires. Reseat the connector.
- Test and replace: Measure resistance; if out of spec, replace the evaporator temperature sensor. If F2 persists, replace the main control board.
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Repair Difficulty
Medium
3/5
Required Part
Evaporator Temperature Sensor (Thermistor)
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