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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