F5
Midea
Outdoor Coil Temperature Sensor Fault or Overload (Model-dependent)
Unit displays F5; may occur during heating or cooling with poor performance
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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 outdoor coil sensor, Sensor out of position on coil, Damaged sensor harness, Outdoor PCB sensor circuit failure
How to Fix / Troubleshooting
Safety first: Disconnect power before opening the outdoor unit.
Steps to check:
- 1. Identify coil sensor: Find the sensor clipped to the outdoor condenser coil tubing (different from ambient sensor).
- 2. Verify mounting: Ensure the sensor is tightly clipped to the coil and properly insulated if originally wrapped.
- 3. Inspect wiring: Check for mechanical damage and ensure the connector is secure on the PCB.
- 4. Replace sensor: If the sensor appears damaged or F5 persists, replace it with the correct Midea coil sensor.
When to call a technician: If sensor replacement does not clear F5, the outdoor PCB may need replacement and should be tested by a professional.
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Repair Difficulty
Medium
3/5
Required Part
Outdoor Coil Temperature Sensor
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