Daikin VRV RXYQ72-384XAYCA Service Manual page 213

SiUS342004EB
1. Symptom-based Troubleshooting ...........................................................209
2. Error Code via Remote Controller...........................................................214
3. Troubleshooting by Error Code ...............................................................217
Part 6 Service Diagnosis
Service Diagnosis
1.1 Indoor Unit Overall ................................................................................... 209
1.2 Low-Temperature Hydrobox Overall ........................................................ 212
1.3 With Gas Furnace .................................................................................... 212
1.4 Gas Furnace Lockout Reset..................................................................... 212
1.5 With Infrared Presence/Floor Sensor ....................................................... 213
2.1 BRC1E73 ................................................................................................. 214
2.2 BRC1H71W.............................................................................................. 215
2.3 Wireless Remote Controller ..................................................................... 215
3.1 Error Codes and Descriptions .................................................................. 217
3.2 Error Codes (Sub Codes)......................................................................... 219
3.3 External Protection Device Abnormality ................................................... 229
3.4 Indoor Unit Control PCB Abnormality....................................................... 231
3.5 Drain Level Control System Abnormality.................................................. 232
3.6 Indoor Fan Motor Lock, Overload............................................................. 234
3.7 Indoor Fan Motor Abnormality.................................................................. 236
3.8 Overload/Overcurrent/Lock of Indoor Fan Motor...................................... 242
3.9 Blower Motor Not Running ....................................................................... 243
3.10 Indoor Fan Motor Status Abnormality....................................................... 244
3.11 Low Indoor Airflow.................................................................................... 245
3.12 Swing Flap Motor Abnormality ................................................................. 246
3.13 Power Supply Voltage Abnormality .......................................................... 248
3.14 Blower Motor Stops for Over/Under Voltage ............................................ 249
3.15 Electronic Expansion Valve Coil Abnormality, Dust Clogging .................. 250
3.16 Gas Furnace Abnormality......................................................................... 251
3.17 Drain Level above Limit............................................................................ 252
3.18 Self-Cleaning Decoration Panel Abnormality ........................................... 253
3.19 Defective Capacity Setting ....................................................................... 264
3.20 Transmission Abnormality between Indoor Unit Control PCB and Fan
PCB .......................................................................................................... 265
3.21 Blower Motor Communication Error ......................................................... 267
3.22 Climate Talk Communication Error .......................................................... 268
3.23 Thermistor Abnormality ............................................................................ 269
3.24 Combination Error between Indoor Unit Control PCB and Fan PCB ....... 270
3.25 Capacity Setting Abnormality ................................................................... 271
3.26 Blower Motor HP Mismatch...................................................................... 272
3.27 Indoor Blower Does Not Have Required Parameters to Function............ 273
Part 6
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