Fan Motor (Dc Motor) Or Related Abnormality - Daikin FTKN09NMVJU Service Manual
Inverter pair
wall mounted type
ftk(x)n-n, ftk(x)-n series
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Also See for FTKN09NMVJU:
- Operation manual (92 pages) ,
- Installation manual (39 pages) ,
- Service manual (20 pages)
Table of Contents
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Troubleshooting
4.4
Fan Motor (DC Motor) or Related Abnormality
A6
Error Code
Method of Error
The rotation speed detected by the Hall IC during fan motor operation is used to determine
abnormal fan motor operation.
Detection
Error Decision
The detected rotation speed does not reach the demanded rotation speed of the target tap, and is
less than 50% of the maximum fan motor rotation speed.
Conditions
Supposed
Causes
63
Remarkable decrease in power supply voltage
Layer short inside the fan motor winding
Breaking of wire inside the fan motor
Breaking of the fan motor lead wires
Defective capacitor of the fan motor
Defective indoor unit PCB
SiUS041501E
Service Diagnosis
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- Cooling Only
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Table of Contents
Troubleshooting
