Fan Motor (Dc Motor) Or Related Abnormality - Daikin H Series Service Manual
Inverter pair wall mounted type
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Also See for H Series:
- Engineeiring data (124 pages) ,
- Service manual (113 pages) ,
- Engineering data (108 pages)
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Troubleshooting
4.4
Fan Motor (DC Motor) or Related Abnormality
A6
Remote
Controller
Display
Method of
The rotation speed detected by the Hall IC during fan motor operation is used to determine
Malfunction
abnormal fan motor operation.
Detection
Malfunction
The detected rotation speed does not reach the demanded rotation speed of the target tap, and is
Decision
less than 50% of the maximum fan motor rotation speed.
Conditions
Layer short inside the fan motor winding
Supposed
Breaking of wire inside the fan motor
Causes
Breaking of the fan motor lead wires
Defective capacitor of the fan motor
Defective indoor unit PCB
Service Diagnosis
SiUS04-924_A
75
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- Outdoor Unit
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Table of Contents
Troubleshooting
