Troubleshooting by Error Code
SiUS331708EA
173
Service Diagnosis
4.10 Indoor Fan Motor Status Abnormality
Error Code
A6-20
Applicable
Models
FXTQ-TA
Outline
The indoor unit periodically receives control status information from the fan motor.
Error is issued when the information shows abnormality.
Error Decision
Conditions
If the information shows Power Limit or Temp Limit status, it will be deemed a MOTOR LIMIT
abnormal operation. (The system can keep operating.)
If the information shows Motor Lost Control or Current Trip status, it will be deemed a MOTOR
TRIP abnormal operation. (The system stops operating.)
Error Reset
Conditions
If the indoor unit stops receiving abnormal information, the error will be cleared.
Supposed
Causes
Fan or motor obstruction
Blocked filters
Power interruption (low voltage)
Incorrect wiring
Blockage in the airflow (ductwork) or ductwork undersized
High loading conditions
Corrective
Actions
Check for obstruction on the fan, motor, or ductwork.
Clean filters.
Check filters, grille, duct system, heat exchanger air inlet/outlet for blockages.
Verify the input voltage at the motor.
Check wiring.
Replace 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...