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Troubleshooting by Indication on the Remote Controller
SiUS39-602
190
Troubleshooting
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is
the power supply
turned on for indoor units
displaying
malfunction?
Is
transmission wiring
disconnected or
wired incorrectly?
Is
the transmission
wiring with the master
controller disconnected
or wired
incorrectly?
Is the
master controller's
connector for setting
master controller
disconnected?
Set the group No.
correctly.
Replace indoor unit PC
board.
Fix the wiring correctly.
Fix the wiring correctly.
Connect the connector
correctly.
Replace the central remote
controller.
Reset power supply
simultaneously for all optional
controllers for centralized
control.
YES
YES
NO
YES
YES
YES
YES
Turn indoor unit's power
supply.
YES
NO
NO
NO
NO
NO
NO
Has
an indoor unit once
connected been remove
or its address
changed?
Is the group
No. of malfunctioning
indoor units set?
Is
transmission with
all indoor units
malfunctioning?
(V2829)
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...