SiAF332111E Troubleshooting by Error Code
Part 6 Service Diagnosis 209
5.8.2 Power Supply Voltage Abnormality (FXFSQ-AR)
Applicable
Models
FXFSQ-AR
Error Code A8-01
Method of Error
Detection
This error is detected by checking the voltage status with the microcomputer.
Error Decision
Conditions
Overvoltage or voltage drop is detected on the fan driver.
Supposed
Causes
Defective connection of power supply connector
Defective indoor unit PCB (A1P)
External factors (e.g. noise)
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