How to reduce Fan Noise
Less than 1 minute
How to reduce Fan Noise
We got several reports on the noise from the Fan. Here is some suggestions.
Fan Specifications
| Item | Value |
|---|---|
| Brand | CAIZHU-FAN |
| Dimensions | 40×40×10 mm |
| Voltage | DC 5V |
| Current | 0.05A |
| Speed | 4000 ±10% RPM |
| Noise | 15.6 dBA |
| Airflow | 3.376 CFM |
| Power | 0.25W |
| Air Pressure | 1.416 mmHâ‚‚O |
| Lifespan | 50,000 hours at 40°C |
| Bearing Structure | Dual Ball Bearing |
| Weight | 17.0 g |
Check if there is collesion between the fan and the cables or foam
Please check if the fan is making the noise due to some collisions between the blade and the cable or foam. Check the following pictures to see what to check.
Apply some lubricant to the fan
Please try to apply some lubricant to the fan, especially you are running the device in the cold enviroment.
Slow down the fan
Add a resistor to slow down the fan. Cut the Red line of the fan, add 10ohm resistor. Check the image for details:
Replace this fan with a quiet one
You may need to find a quiet one based on the specification of the original fan and replace it.