Blower Motor Stops For Over/Under Voltage - Daikin REYQ-XA Service Manual

Troubleshooting by Error Code

3.14 Blower Motor Stops for Over/Under Voltage

A8
Error Code
Applicable
FXTQ-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
Causes
Corrective
Actions
269
High AC line voltage to indoor blower motor
Low AC line voltage to indoor blower motor
Incorrect wiring
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.
SiUS371901E
Service Diagnosis