SiUS30-1301
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
159
Indoor Unit Fan Motor Abnormality
Error Code
A6
Applicable
Models
FXMQ18~48P
Method of Error
Detection
Error from the current flow on the fan PCB
Error from the RPM of the fan motor in operation
Error from the position signal of the fan motor
Error from the current flow on the fan PCB when the fan motor starting operation
Error Decision
Conditions
An overcurrent flows.
The RPM is less than a certain level for 6 seconds.
A position error in the fan rotor continues for 5 seconds or more.
Supposed
Causes
The clogging of a foreign matter
The disconnection of the fan motor connectors (X1A and X2A)
The disconnection of the connectors between the indoor unit PCB (A1P) and fan PCB (A2P)
Defective fan PCB (A2P)
Defective fan motor