F4
Electrolux
Outdoor Condenser Coil Sensor Fault
Display shows F4, outdoor unit may shut down
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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
Failed condenser NTC sensor, Sensor not attached to coil, Damaged harness, Faulty outdoor PCB
How to Fix / Troubleshooting
Safety: Isolate power at the breaker.
Steps:
- Access outdoor coil: Remove the top or side panel to access the condenser coil and sensor.
- Verify attachment: Ensure the sensor is firmly attached to the coil surface or inserted between fins.
- Check wiring: Inspect and reseat the connector on the outdoor PCB.
- Replace sensor: If defective, install a new condenser temperature sensor.
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Repair Difficulty
Medium
3/5
Required Part
Condenser Temperature Sensor (NTC)
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