SiUS34-907
Troubleshooting by Indication on the Remote Controller
Troubleshooting
175
3.37
“
U2
”
Power Supply Insufficient or Instantaneous Failure
Remote
Controller
Display
U2
Applicable
Models
RXYMQ36 · 48PVJU
Method of
Malfunction
Detection
Detection of voltage of main circuit capacitor built in the inverter and power supply voltage.
Malfunction
Decision
Conditions
When the voltage aforementioned is not less than 780V or not more than 320V, or when the
current-limiting voltage does not reach 200V or more or exceeds 740V
Supposed
Causes
Power supply insufficient
Instantaneous power failure
Open phase
Defect of outdoor control PCB
Main circuit wiring defect
Faulty compressor
Faulty fan motor
Faulty connection of signal cable
Summary of Contents for VRV III-S RXYMQ36 48PVJU
Page 1: ...RXYMQ36 48PVJU R 410A Heat Pump 60Hz SiUS34 907...
Page 9: ...SiUS34 907 Safety Considerations viii...
Page 237: ...Wiring Diagrams SiUS34 907 228 Appendix 2 2 Field Wiring RXYMQ36 48PVJU 3D065370...
Page 238: ...SiUS34 907 Wiring Diagrams Appendix 229 2 3 Indoor Unit FXFQ12M 18M 24M 30M 36MVJU 3D042620C...
Page 239: ...Wiring Diagrams SiUS34 907 230 Appendix FXZQ07M 09M 12M 18MVJU 3D059263...
Page 240: ...SiUS34 907 Wiring Diagrams Appendix 231 FXDQ07M 09M 12M 18M 24MVJU 3D050501A...
Page 241: ...Wiring Diagrams SiUS34 907 232 Appendix FXMQ07P 09P 12P 18P 24P 30P 36P 48PVJU 3D065984A...
Page 242: ...SiUS34 907 Wiring Diagrams Appendix 233 FXHQ12M 24M 36MVJU 3D048116A...
Page 243: ...Wiring Diagrams SiUS34 907 234 Appendix FXAQ07M 09M 12M 18M 24MVJU 3D046039D...
Page 244: ...SiUS34 907 Wiring Diagrams Appendix 235 FXLQ12M 18M 24MVJU FXNQ12M 18M 24MVJU 3D045644A...
Page 247: ...Option List SiUS34 907 238 Appendix...
Page 249: ...Example of Connection 240...
Page 263: ...Precautions for New Refrigerant R 410A SiUS34 907 254 Precautions for New Refrigerant R 410A...