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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
188
4.23 Combination Abnormality (between Indoor Unit PCB and
Fan PCB)
Error Code
C6
Applicable
Models
FXSQ-TA, FXMQ-PB
Method of Error
Detection
Transmission conditions with the fan PCB (A2P) are checked using the indoor unit PCB (A1P).
Error Decision
Conditions
When the communication data of fan PCB (A2P) is determined as 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.
Was the
indoor unit main PCB
(A1P) 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 RXSQ24TAVJU
Page 1: ...Service Manual SiUS331708EA RXSQ24 36 48 60TAVJU Heat Pump 60 Hz...
Page 290: ...Wiring Diagrams SiUS331708EA 277 Appendix RXSQ48TAVJU 3D109546A...
Page 291: ...SiUS331708EA Wiring Diagrams Appendix 278 RXSQ60TAVJU 3D109547A...
Page 295: ...SiUS331708EA Wiring Diagrams Appendix 282 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 298: ...Wiring Diagrams SiUS331708EA 285 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 300: ...Wiring Diagrams SiUS331708EA 287 Appendix FXSQ05 07 09 12 15 18 24 30 36 48 54TAVJU 3D110467B...
Page 301: ...SiUS331708EA Wiring Diagrams Appendix 288 FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Page 302: ...Wiring Diagrams SiUS331708EA 289 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 303: ...SiUS331708EA Wiring Diagrams Appendix 290 FXAQ07 09 12 18 24PVJU 3D075354C...
Page 309: ...SiUS331708EA Wiring Diagrams Appendix 296 VAM1200GVJU 3D073270D...