Blower Motor Stops For Over/Under Voltage - Daikin SkyAir RZR-TA Series Service Manual

Troubleshooting by Error Codes

4.15 Blower Motor Stops for Over/Under Voltage

A8
Error Code
Applicable
FTQ-TA
Models
Outline The indoor unit periodically receives control status information from the fan motor.
Error is issued when the information shows abnormality.
Error Decision If the information shows Over/Under Voltage status, it will be deemed a MOTOR VOLTS abnormal
Conditions operation.
Error Reset
If the information is normal, the error will be cleared.
Conditions
Supposed
 High AC line voltage to indoor blower motor
Causes  Low AC line voltage to indoor blower motor
 Incorrect wiring
Corrective
 Verify line voltage to indoor blower motor is within the range specified on the ID blower rating
Actions
 Check power to indoor blower motor.
 Check wiring.
 Replace motor.
202
plate.
SiUS281811E
Part 6 Service Diagnosis