SiUS371901EB
Table of Contents
iv
2.7 Night-Time Low Noise Operation and Demand Operation....................... 253
3. Field Settings for Branch Selector Unit ...................................................258
3.1 Field Settings for Single Branch Selector Unit ......................................... 258
3.2 Field Settings for Multi Branch Selector Unit (Standard Series)............... 259
3.3 Field Settings for Multi Branch Selector Unit (Flex Series) ...................... 260
3.4 How to Check Miswiring for Multi Branch Selector Unit ........................... 262
4.1 Checks before Test Operation ................................................................. 263
4.2 Checkpoints.............................................................................................. 263
4.3 Gas Furnace Test Operation.................................................................... 264
Part 6 Service Diagnosis ............................................................... 265
1. Symptom-based Troubleshooting ...........................................................268
1.1 Indoor Unit Overall ................................................................................... 268
1.2 With Gas Furnace .................................................................................... 271
1.3 Gas Furnace Lockout Reset..................................................................... 271
1.4 With Optional Infrared Presence/Floor Sensor......................................... 272
2. Troubleshooting with Remote Controller.................................................273
2.1 BRC1E73 ................................................................................................. 273
2.2 BRC1H71W.............................................................................................. 274
2.3 Wireless Remote Controller ..................................................................... 274
3. Troubleshooting by Error Code ...............................................................277
3.1 Error Codes and Descriptions .................................................................. 277
3.2 Error Codes (Sub Codes)......................................................................... 280
3.3 External Protection Device Abnormality ................................................... 290
3.4 Indoor Unit Control PCB Abnormality....................................................... 292
3.5 Drain Level Control System Abnormality.................................................. 293
3.6 Indoor Fan Motor Lock, Overload............................................................. 295
3.7 Indoor Fan Motor Abnormality.................................................................. 297
3.8 Overload/Overcurrent/Lock of Indoor Fan Motor...................................... 301
3.9 Blower Motor Not Running ....................................................................... 302
3.10 Indoor Fan Motor Status Abnormality....................................................... 303
3.11 Low Indoor Airflow.................................................................................... 304
3.12 Swing Flap Motor Abnormality ................................................................. 305
3.13 Power Supply Voltage Abnormality .......................................................... 307
3.14 Blower Motor Stops for Over/Under Voltage ............................................ 308
3.15 Electronic Expansion Valve Coil Abnormality, Dust Clogging .................. 309
3.16 Gas Furnace Abnormality......................................................................... 310
3.17 Drain Level above Limit............................................................................ 311
3.18 Capacity Determination Device Abnormality ............................................ 312
3.19 Transmission Abnormality between Indoor Unit Control PCB and Fan
3.20 Blower Motor Communication Error ......................................................... 315
3.21 Climate Talk Communication Error .......................................................... 316
3.22 Thermistor Abnormality ............................................................................ 317
3.23 Combination Error between Indoor Unit Control PCB and Fan PCB ....... 318
3.24 Blower Motor HP Mismatch...................................................................... 319
3.25 Indoor Blower Does Not Have Required Parameters to Function............ 320
Summary of Contents for REYQ72-432XAYCU
Page 455: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 448 REYQ144 168XATJU REYQ144 168XATJA 2D119206B ...
Page 457: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 450 REYQ144 168XAYDU REYQ144 168XAYDA 2D119208C ...
Page 461: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 454 FXZQ05 07 09 12 15 18TAVJU 3D110443A ...
Page 463: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 456 FXEQ07 09 12 15 18 24PVJU 3D098557A ...
Page 464: ...Wiring Diagrams SiUS371901EB 457 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C ...
Page 468: ...Wiring Diagrams SiUS371901EB 461 Part 7 Appendix FXHQ12 24 36MVJU 3D048116C ...
Page 469: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 462 FXAQ07 09 12 18 24PVJU 3D075354F ...
Page 475: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 468 VAM1200GVJU 3D073270D ...
Page 478: ...Wiring Diagrams SiUS371901EB 471 Part 7 Appendix BS6 8Q54TVJ 2D089122B ...
Page 479: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 472 BS10 12Q54TVJ 2D089121B ...
Page 481: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 474 BSF6 8Q54TVJ 2D123905A ...