Part 6 Service Diagnosis - Daikin VRV-WIII RWEYQ72PTJU Service Manual

SiUS30-1301
1. Symptom-based Troubleshooting ...........................................................133
2. Troubleshooting by Remote Controller ...................................................136
3. Troubleshooting by Indication on the Remote Controller ........................151
Service Diagnosis
Service Diagnosis
2.1 Self-diagnosis by Wired Remote Controller ............................................. 137
2.2 Self-diagnosis by Wireless Remote Controller ......................................... 138
2.3 Remote Controller Self-Diagnosis Function ............................................. 140
2.4 Error Codes - Sub Codes ......................................................................... 141
2.5 Error Codes and Description .................................................................... 145
2.6 Error Code Indication by Condensing Unit PCB....................................... 147
3.1 External Protection Device Abnormality ................................................... 151
3.2 PCB Abnormality ...................................................................................... 152
3.3 Drain Level Control System (S1L) Abnormality........................................ 153
3.4 Fan Motor (M1F) Lock, Overload ............................................................. 155
3.5 Indoor Unit Fan Motor Abnormality .......................................................... 158
3.6 Indoor Unit Fan Motor Abnormality .......................................................... 159
3.7 Overload / Overcurrent / Lock of Indoor Unit Fan Motor .......................... 163
3.8 Swing Flap Motor (M1S) Abnormality....................................................... 164
3.9 Power Supply Voltage Abnormality .......................................................... 166
3.10 Electronic Expansion Valve Coil Abnormality / Dust Clogging ................. 167
3.11 Electronic Expansion Valve Coil Abnormality........................................... 168
3.12 Drain Level above Limit............................................................................ 169
3.13 Capacity Determination Device Abnormality ............................................ 170
3.14 Transmission Abnormality between Indoor Unit PCB and Fan PCB........ 171
3.15 Thermistor Abnormality ............................................................................ 173
3.16 Combination Error between Indoor Unit PCB and Fan PCB .................... 174
3.17 Remote Sensor Abnormality .................................................................... 175
3.18 Thermistor Abnormality ............................................................................ 176
3.19 Humidity Sensor System Abnormality ...................................................... 177
3.20 Room Temperature Thermistor in Remote Controller Abnormality .......... 178
3.21 PCB Abnormality ...................................................................................... 179
3.22 Ground Leakage by Leak Detection PCB Assy........................................ 180
3.23 Actuation of High Pressure Switch ........................................................... 182
3.24 Actuation of Low Pressure Sensor ........................................................... 184
3.25 Inverter Compressor Motor Lock.............................................................. 186
3.26 Electronic Expansion Valve Coil (Y1E~Y5E) Abnormality........................ 188
3.27 Abnormal Discharge Pipe Temperature ................................................... 190
3.28 Refrigerant Overcharged.......................................................................... 191
3.29 Water System Abnormality....................................................................... 193
3.30 Thermistor System Abnormality ............................................................... 195
3.31 High Pressure Sensor Abnormality .......................................................... 196
3.32 Low Pressure Sensor Abnormality ........................................................... 198
Part 6
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