Daikin 4MXL-T Series Service Manual page 188

Troubleshooting for SA Indoor Unit
6.3.2 Indoor Fan Motor (DC Motor) or Related Abnormality
Applicable
FFQ09/12/15/18Q2VJU
Models
A6
Error Code
Method of Error The rotation speed detected by the Hall IC during indoor fan motor operation determines abnormal
Detection fan motor operation.
Error Decision
The fan motor is not revved up.
Conditions
Supposed
 Layer short inside the fan motor winding
Causes  Breaking of wire inside the fan motor
 Breaking of the fan motor lead wires
 Defective indoor unit PCB
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SiUS121827E
Part 6 Service Diagnosis