Indoor Unit
Indoor Units mode conflict
Unit
Refrigerant sensor is out of range and leakage is detected
Unit
Refrigerant sensor detects leakage
Indoor Unit - Multi Zone System
In a multi-zone system, another indoor unit has detected a refrigerant leak and this unit is simply relaying the shared system alert.
Indoor Unit
The indoor unit lost or received a faulty signal from the refrigerant sensor, likely due to a disconnected, damaged, or out-of-range sensor.
Indoor Unit
Outdoor IGBT sensor is faulty
Solution: TS05-ODU
Indoor Unit
High pressure protection or low pressure protection
Solution: TS28 / TS13-INV
Indoor Unit
Indoor units mode conflict
Solution: TS14
Indoor Unit
Inverter compressor drive error
Solution: TS09-L
Indoor Unit
Low ambient temperature protection
Indoor Unit
High temperature protection of IPM module or High pressure protection or top temperature protection of compressor
Solution: TS11-L
Indoor Unit
Over voltage or over low voltage protection
Solution: TS10-L
Indoor Unit
IPM malfunction or IGBT over-strong current protection
Solution: TS09-L
Indoor Unit
Communication error between indoor two chips
Solution: TS23
Indoor Unit
Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited
Solution: TS05-ODU