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ESIE15-13B

96 Service Diagnosis

4.27 Stall Prevention (Time Lag) .................................................................163

4.28 Transmission System Abnormality (between Control and Inverter

PCB) ....................................................................................................165

4.29 Open Phase or Power Supply Voltage Imbalance ..............................166

4.30 Defective Capacity Setting ..................................................................167

4.31 Refrigerant Shortage (Alert) ................................................................168

4.32 Refrigerant Shortage (Error) ................................................................169

4.33 Power Supply Voltage Abnormality .....................................................171

4.34 Transmission Error between Indoor and Outdoor Unit ........................173

4.35 Transmission Error Between Remote Controller and Indoor Unit .......176

4.36 Transmission Error between MAIN Remote Controller and SUB

Remote Controller ...............................................................................177

4.37 Field Setting Switch Abnormality .........................................................178

4.38 “UC” Address Duplication of Centralized Controller ..............................180

4.39 Transmission Error Between Centralized Controller and Indoor Unit ..181

4.40 Transmission Error between Indoor and Outdoor Unit / Piping and

Wiring Mismatch / Refrigerant Shortage .............................................183

4.41 Check ..................................................................................................185

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