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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
178
4.14 Blower Motor Stops for Over/Under Voltage
Error Code
A8
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 Over/Under Voltage status, it will be deemed a MOTOR VOLTS abnormal
operation.
Error Reset
Conditions
If the information is normal, the error will be cleared.
Supposed
Causes
High AC line voltage to indoor blower motor
Low AC line voltage to indoor blower motor
Incorrect wiring
Corrective
Actions
Verify line voltage to indoor blower motor is within the range specified on the ID blower rating
plate.
Check power to indoor blower 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...