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 isn’t receiving valid feedback from the refrigerant sensor—likely due to disconnection, failure, or out-of-range readings.
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
Indoor Unit
The outdoor fan speed is operating outside of the normal range
Solution: TS04-ODU
Indoor Unit
Outdoor unit EEPROM parameter error
Solution: TS01-ODU
Indoor Unit
Compressor discharge temperature sensor TP is in open circuit or has short circuited
Solution: TS05-ODU