An ec error code on a mini split indicates a refrigerant leakage detection error.
Comfort aire mini split error code ec.
In the beginning 5 minutes after the compressor starts up if t2 tcool 2 c tcool 35 6 f does not remain continuous 4 seconds and this situation happens 3 times the display area will show ec and ac will turn off.
Indoor room temperature sensor t1 open circuit or short circuit.
Indoor fan speed has been out of control.
The problem may resolve itself.
Communication malfunction between indoor and outdoor units.
Indoor unit eeprom error.
Ac pro mini split troubleshooting ec error code.
The unit may stop operation or continue to run safely.
If you disconnect the equipment and plug it back in the code still appears.
We can be sure that the equipment is missing a refrigerant.
While there may be a leak in the unit keep in mind sensors and boards also can malfunction.
Comfortstar ac error codes e0 e1 e2 f1 f2 f3 p1 p2 p3 appear.
This means the system has detected a leak.
Evaporator coil temprerature sensor t2 open circuit or short circuit.
Dual zone 2014 carrier ductless mini split and comfort series air conditioners running.