SiAF341904E
5.5.2 Indoor Fan Motor Abnormality (FXMQ50-140PB)
Applicable
FXMQ50-140PB
Models
A6
Error Code
Method of Error
Error from the current flow on the fan PCB
Detection
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
An overcurrent flows.
Conditions
The RPM is less than a certain level for 6 seconds.
A position error in the fan rotor continues for 5 seconds or
Supposed
Clogging of a foreign matter
Causes
Disconnection of the fan motor connectors (X1A and X2A)
Disconnection of the connectors between the indoor unit main PCB (A1P) and fan PCB
Defective fan PCB (A2P)
Defective fan motor
Part 6 Service Diagnosis
(A2P)
Troubleshooting by Error Code
191