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SiUS281811EA
Troubleshooting by Error Codes
Part 6 Service Diagnosis
233
4.15 Blower Motor Stops for Over/Under Voltage
Error Code
A8
Applicable
Models
FTQ-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 SkyAir RZR-TA Series
Page 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Page 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Page 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Page 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Page 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Page 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...