SiUS39-602
Troubleshooting by Indication on the Remote Controller
Troubleshooting
173
2.41
“
PJ
”
Outdoor Unit:
Faulty Field Setting after Replacing
Main PC Board or Faulty Combination of PC Board
Remote
Controller
Display
PJ
Applicable
Models
REYQ72M, 96M
Method of
Malfunction
Detection
The faulty (or no) field setting after replacing main PC board or faulty PC board combination is
detected through communications with the inverter.
Malfunction
Decision
Conditions
Whether or not the field setting or the type of the PC board is correct through the communication
date is judged.
Supposed
Causes
Faulty (or no) field setting after replacing main PC board
Mismatching of type of PC board
Troubleshooting
YES
Reset, and then restart.
YES
YES
∗
Note) Type of PC board mismatching includes;
Main PC board
Inverter PC board (for compressor)
Fan driver PC board
NO
NO
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Correct the field
settings.
Replace with a correct
PC board.
Has the PC
board been replaced?
Is the type of
PC board correct?
∗
When replacing
the main PC board, were field
setting properly
made?
Summary of Contents for REYQ72
Page 35: ...Specifications SiUS39 602 24 Specifications...
Page 121: ...Field Setting SiUS39 602 110 Test Operation...
Page 129: ...Troubleshooting by Remote Controller SiUS39 602 118 Troubleshooting...
Page 225: ...Troubleshooting OP Unified ON OFF Controller SiUS39 602 214 Troubleshooting...
Page 232: ...SiUS39 602 Piping Diagrams Appendix 221 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...
Page 235: ...Wiring Diagrams for Reference SiUS39 602 224 Appendix REYQ144 168 192MTJU C 3D050354A...
Page 240: ...SiUS39 602 Wiring Diagrams for Reference Appendix 229 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...
Page 249: ...Example of Connection R 410A Type SiUS39 602 238 Appendix...
Page 255: ...Method of Replacing The Inverter s Power Transistors and Diode Modules SiUS39 602 244 Appendix...
Page 265: ...Precautions for New Refrigerant R 410A SiUS39 602 254 Precautions for New Refrigerant R 410A...
Page 269: ...SiUS39 602 iv Index...