SiBE281013
80
Service Diagnosis
4.26 Transmission System Abnormality
(between Control and Inverter PCB) ....................................................145
4.27 Open Phase or Power Supply Voltage Imbalance ...............................146
4.28 Defective Capacity Setting ...................................................................147
4.29 Refrigerant Shortage (Alert) .................................................................148
4.30 Refrigerant Shortage (Error).................................................................149
4.31 Power Supply Voltage Abnormality ......................................................151
4.32 Transmission Error between Indoor and Outdoor Unit.........................153
4.33 Transmission Error Between Remote Controller and Indoor Unit ........156
4.34 Transmission Error between MAIN Remote Controller and
SUB Remote Controller........................................................................157
4.35 Field Setting Switch Abnormality..........................................................158
4.36 “
UC
” Address Duplication of Centralized Controller...............................160
4.37 Transmission Error Between Centralized Controller and
Indoor Unit............................................................................................161
4.38 Transmission Error between Indoor and Outdoor Unit / Piping and
Wiring Mismatch / Refrigerant Shortage ..............................................163
4.39 Check ...................................................................................................165