Daikin C4 Error Code
Failure of the liquid pipe thermistor for the heat exchanger.
Causes & Recommended Solutions
If you see the C4 error code, it means there is a malfunction of the liquid pipe thermistor for the heat exchanger. This component monitors the temperature of the refrigerant, and a malfunction can affect your system’s efficiency.
Common Causes of the C4 Error Code
Faulty Liquid Pipe Thermistor
Wiring Issues
Sensor Malfunction
Recommended Solutions
Inspect the Thermistor for Faults
Check Wiring Connections
Ensure Proper Refrigerant Flow
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