Specifications

SiUS39-601
Troubleshooting 105
Part 6
Troubleshooting
1. Troubleshooting by Remote Controller ...................................................108
1.1 The INSPECTION / TEST Button............................................................. 108
1.2 Self-diagnosis by Wired Remote Controller ............................................. 109
1.3 Self-diagnosis by Wireless Remote Controller ......................................... 110
1.4 Operation of The Remote Controller’s Inspection /
Test Operation Button .............................................................................. 112
1.5 Remote Controller Service Mode ............................................................. 113
1.6 Remote Controller Self-Diagnosis Function ............................................. 115
2. Troubleshooting by Indication on the Remote Controller ........................120
2.1 “A0” Indoor Unit: Error of External Protection Device ............................... 120
2.2 “A1” Indoor Unit: PC Board Defect............................................................. 121
2.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (S1L) .......... 122
2.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload................................... 124
2.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (MA) ........................... 125
2.6 “A9” Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (20E) ............................................................ 127
2.7 “AF” Indoor Unit: Drain Level above Limit.................................................. 129
2.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device .............. 130
2.9 “C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger .... 131
2.10 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes.............. 132
2.11 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air............. 133
2.12 “CJ” Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller .................................................................................... 134
2.13 “E1” Outdoor Unit: PC Board Defect .......................................................... 135
2.14 “E3” Outdoor Unit: Actuation of High Pressure Switch .............................. 136
2.15 “E4” Outdoor Unit: Actuation of Low Pressure Sensor .............................. 137
2.16 “E5” Compressor Motor Lock .................................................................... 139
2.17 “E6” Compressor Motor Overcurrent/Lock ................................................ 141
2.18 “E7” Malfunction of Outdoor Unit Fan Motor.............................................. 142
2.19 “E9” Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E, Y2E)................................................... 144
2.20 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature ...................... 146
2.21 “F6” Refrigerant Overcharged ................................................................... 147
2.22 “H7” Abnormal Outdoor Fan Motor Signal ................................................. 148
2.23 “H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air......... 150
2.24 “J2” Current Sensor Malfunction............................................................... 151
2.25 “J3” Outdoor Unit: Malfunction of Discharge
Pipe Thermistor (R31~33T)...................................................................... 152
2.26 “J5” Outdoor Unit: Malfunction of Thermistor (R2T) for Suction Pipe ....... 153
2.27 “J6” Outdoor Unit: Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger Deicer....................................................... 154