Electric fan slow rotation, weak rotation? The cause and how to fix it
1 Fan has a lot of dirt The fan after a period of use, no longer runs at a fast and stable speed like when it was purchased. The cause may be due to dirt clinging to the fan cage, propeller, and control box, limiting the fan speed . How to fix: Remove – install the fan to clean all dust, help the fan run smoothly and bring fresher air. Should periodically clean the fan from 1-2 months / 1 time. Clean the fan regularly for effective cooling 2 Dry oil, damaged silver engine Another reason why the fan is weak or makes a noise when spinning, it is because the fan is dry – making increased friction, reduced rotational speed or failure of the silver motor. How to check: Turn off the power and remove the fan cage. Try turning the propeller by hand. If you see the fan spinning but it is blocked and only rotates a little and then stops completely, the fan may be dry oil, damaged silver. At this point, you need to make repairs right away. Rotate the ...