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SiUS34-801A_b
316
Troubleshooting
Outdoor Unit: Malfunction of Thermistor (R8T or R10T) Suction Pipe. 382
Outdoor Unit: Malfunction of Thermistor (R4T or R12T) for Outdoor Unit
Outdoor Unit: Malfunction of Liquid Pipe Thermistor 1 (R6T), (R9T) or
Outdoor Unit: Malfunction of Liquid Pipe Thermistor 2 (R7T or R15T) 385
Outdoor Unit: Malfunction of Subcooling Heat Exchanger Gas Pipe Ther-
Outdoor Unit: Malfunction of High Pressure Sensor ............................ 387
Outdoor Unit: Malfunction of Low Pressure Sensor............................. 389
Outdoor Unit: Defective Inverter PC Board.......................................... 391
Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise393
Outdoor Unit: Momentary Overcurrent of Inverter Compressor........... 396
Outdoor Unit: Momentary Overcurrent of Inverter Compressor........... 398
Outdoor Unit: Inverter Compressor Starting Failure ............................ 400
Outdoor Unit: Malfunction of Transmission between Inverter and Control
Outdoor Unit: Inverter Over-Ripple Protection ..................................... 406
Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise Sen-
Outdoor Unit: Faulty Field Setting after Replacing Main PC Board or Faulty
Combination of PC Board......................................................................... 410
Outdoor Unit: Gas Shortage Alert ........................................................ 412
Reverse Phase, Open Phase .............................................................. 414
Outdoor Unit: Power Supply Insufficient or Instantaneous Failure ...... 415
Outdoor Unit: Check Operation not Executed...................................... 418
Malfunction of Transmission between Indoor Units ............................. 419
Indoor Unit: Malfunction of Transmission between Remote Controller and
Outdoor Unit: Transmission Failure (Across Outdoor Units)................ 425
Indoor Unit: Malfunction of Transmission between Main and Sub Remote
Indoor Unit: Malfunction of Transmission between Indoor and Outdoor
Improper Combination of Indoor and Outdoor Units, Indoor Units and Re-
Address Duplication of Centralized Controller ..................................... 439
Malfunction of Transmission between Centralized Controller and Indoor
Malfunction of System, Refrigerant System Address Undefined ......... 444
4. Troubleshooting (OP: Central Remote Controller) ..................................446
Malfunction of Transmission between Optional Controllers for Centralized
Improper Combination of Optional Controllers for Centralized Control 449
Address Duplication, Improper Setting ................................................ 451
5. Troubleshooting (OP: Unified ON/OFF Controller) .................................453
Summary of Contents for VRV III
Page 15: ...SiUS34 801A_b xiv ...
Page 23: ...Model Selection SiUS34 801A_b 8 General Information ...
Page 133: ...Field Settings SiUS34 801A_b 118 VRVIII R 410A Heat Pump 60Hz ...
Page 254: ...SiUS34 801A_b Test Operation VRVIII R 410A Heat Recovery 60Hz 239 R 410A Label R 410A Label ...
Page 329: ...Field Setting SiUS34 801A_b 314 Indoor Unit ...
Page 340: ...SiUS34 801A_b Troubleshooting by Remote Controller Troubleshooting 325 ...
Page 490: ...SiUS34 801A_b Piping Diagrams Appendix 475 Heat Pump 230V RXYQ72 96 120PTJU 3D058636A ...
Page 491: ...Piping Diagrams SiUS34 801A_b 476 Appendix Heat Pump 230V RXYQ144PTJU 3D058640 ...
Page 492: ...SiUS34 801A_b Piping Diagrams Appendix 477 Heat Recovery 460V REYQ72 96 120PYDN 3D058639A ...
Page 493: ...Piping Diagrams SiUS34 801A_b 478 Appendix Heat Recovery 460V REMQ72PYDN 3D058637A ...
Page 494: ...SiUS34 801A_b Piping Diagrams Appendix 479 Heat Recovery 460V REMQ96 120PYDN 3D058638A ...
Page 495: ...Piping Diagrams SiUS34 801A_b 480 Appendix Heat Recovery 230V REYQ72 96 120PTJU 3D058639A ...
Page 496: ...SiUS34 801A_b Piping Diagrams Appendix 481 Heat Recovery 230V REYQ144PTJU 3D058640 ...
Page 497: ...Piping Diagrams SiUS34 801A_b 482 Appendix Heat Recovery 230V REMQ72PTJU 3D058637A ...
Page 498: ...SiUS34 801A_b Piping Diagrams Appendix 483 Heat Recovery 230V REMQ96 120PTJU 3D058638A ...
Page 501: ...Piping Diagrams SiUS34 801A_b 486 Appendix 1 3 BS Unit 4D057985A ...
Page 537: ...Piping Installation Point SiUS34 801A_b 522 Appendix ...
Page 543: ...Pressure Sensor SiUS34 801A_b 528 Appendix ...
Page 563: ...SiUS34 801A_b iv Index ...