F2
Frigidaire
Evaporator Coil Sensor Error
Frigidaire portable AC shows F2 and 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 dislodged from coil, damaged wiring, failed main control board
How to Fix / Troubleshooting
Safety: Unplug the unit. Be cautious of sharp metal edges.
Steps:
- 1. Remove front cover: Access the evaporator coil and locate the sensor clipped to the coil tubing.
- 2. Check placement: Ensure the sensor is firmly clipped to the coil and not hanging free.
- 3. Inspect wiring: Look for pinched or broken wires. Reseat the connector at the control board.
- 4. Test and replace: Measure resistance and compare to spec. Replace the evaporator sensor if defective.
- 5. Control board check: If the sensor is good and F2 persists, replace the main control board.
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Repair Difficulty
Medium
3/5
Required Part
Evaporator Temperature Sensor
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