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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
172
4.9
Blower Motor Not Running
Error Code
A6
Applicable
Models
FXTQ-TA
Outline
Error is issued if the indoor unit determines that the indoor fan motor cannot rotate, regardless of
the rotation command from indoor unit.
Error Decision
Conditions
Determining successive abnormalities
Checks the rotation speed at 5-second intervals using the feedback of the fan motor.
If that figure falls below 50 rpm 5 times successively, it is deemed abnormal operation.
If, during operation, the rotation command is stopped, the 5-second interval check is halted and
the counted number will be cleared.
Determining long-term abnormalities
Checks the rotation speed at 5-second intervals using the feedback of the fan motor.
Performs rotation sampling 720 times (takes approx. one hour), and if the rotation speed falls
below 50 rpm over 100 times, it is deemed abnormal operation.
When the sampling reaches 720 times, the counted number will be cleared and the 720 times
sampling restarts.
If, during this, the rotation command is stopped, the 5-second interval check is halted, but the
counted number will be kept.
When the rotation command is restarted, the checks will resume.
Error Reset
Conditions
Reset by remote controller
Supposed
Causes
Fan or motor obstruction
Power interruption (low voltage)
Incorrect or loose wiring
Corrective
Actions
Check for obstruction on the fan or motor.
Verify the input voltage at the motor.
Check wiring or tighten wiring connections if needed.
Replace the indoor unit PCB or motor.
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...