SiUS281811EA
4.8
Indoor Fan Motor (M1F) Lock, Overload
A6
Error Code
Applicable
FCQ-TA, FAQ-TA
Models
Method of Error
Abnormal fan revolutions are detected by signal output from the fan motor.
Detection
Error Decision
When the fan revolutions do not increase
Conditions
Supposed
Broken wires in, short circuit of, or disconnection of connectors from the fan motor harness
Causes
Defective fan motor (Broken wires or defective insulation)
Abnormal signal output from the fan motor (defective circuit)
Defective indoor unit main PCB
Instantaneous disturbance in the power supply voltage
Fan motor lock (Due to motor or external causes)
The fan does not rotate due to foreign matter blocking the fan.
Part 6 Service Diagnosis
Troubleshooting by Error Codes
221