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SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
291
5.53 Incorrect Inverter and Fan Drive Combination
Applicable
Models
RXQ4/5AR, RXMQ10/12AR
Error Code
PJ
Method of Error
Detection
Test is performed based on communication with inverter.
Error Decision
Conditions
Communication data is used to determine if the types of the inverter PCB and fan PCB are
correct.
Supposed
Causes
Inconsistent PCB type
Wrong field setting
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
YES
YES
YES
NO
Repair the wiring connection.
Replace the outdoor
unit main PCB (A1P).
NO
Set the dip switch
correctly. (Reset the
power after setting up
the switch)
NO
Replace with the
correct PCB.
Is the
outdoor unit main
PCB readiness indicator
light (H2P) off?
Is the dip
switch correctly set
when replacing the
outdoor unit main
PCB?
Does
the PCB part
No. match that of the
spare parts
list?
Summary of Contents for VRV S RXMQ10ARY1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...