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SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
221
5.17 Combination Abnormality (between Indoor Unit PCB and
Fan PCB)
Applicable
Models
FXMQ-PB
Error Code
C6
Method of Error
Detection
Transmission conditions with the fan PCB (A2P) are checked using the indoor unit PCB (A1P).
Error Decision
Conditions
Fan PCB (A2P) communication data is determined to be incorrect.
Supposed
Causes
Defective fan PCB (A2P)
Defective connection of capacity setting adaptor
Field setting error
Troubleshooting
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Has the
indoor unit control PCB
(A1P) been replaced with a
spare PCB?
YES
YES
YES
NO
NO
Was
the correct
capacity setting
adaptor installed when
replacing it with a spare
PCB?
After establishing
transmission for indoor and
outdoor, diagnose the
operation again.
After establishing
transmission for indoor and
outdoor, diagnose the
operation again.
Replace it with the correct
fan PCB (A2P).
Install the correct capacity
setting adaptor.
Does the
fan 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...