The Whistling Noise From The Indoor Unit In Low Wind Mode - Samsung AC009BNLDCH Service Manual

Troubleshooting

4-4-7. The whistling noise from the indoor unit in low wind mode

Is there abnormal noise like the whistling
from the indoor unit in low wind mode?
Is there abnormal noise in a fan or a motor?
Is there abnormal noise in the booster fan?
Check normal startup
4-62
Yes
No
No
Replace a fan a motor.
Yes
→ Check normal startup
→ End the service
Replace a fan a motor.
Yes
→ Check normal startup
→ End the service
[Booster Fan]
Samsung Electronics