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Reparación y soporte para ventiladores de techo

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My ceiling fan speed has gone low currently.

The fan was rotating at its normal speed while it was still new. But now the speed has decreased. Air is still coming but not enough. Earlier i taught it was because of the dirt. But after cleaning it does not make any difference. Please advise me what to do.

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I bought brand new fan and that not perfom good at the speed of 1,2 and 3. its running full speed only at 4. we replaced and bought another new fan from same brand n same model. but the problem is still stand. what should i do.

pls advice


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I’ve fitted my fan propeller blades with little uplifts that are like those seen on a aeroplane wing 🪽. Boyso their sucken diesel !!

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It may be your motor run capacitor.It can be found in the top cavity of the fan housing.This component is a small black rectangle block which has 3 or 4 wires attached to it. It can be replaced fairly easily.The approximately cost of this part can be from $5.00 to $12.00.Check on line at Amazon or Dan's Fan City. The component # may be something like CBB61. You will also need to know the size of the capacitor.It is rated in size by what is known as microfarads. The symbol is ufd. Example: CBB61 1.5ufd.-2.5ufd. This component has 3 wires attached to it .A yellow and purple wire on one end,and a single red wire on the opposite end. Good luck I hope this helps.

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First check the regulator

Then Power supply by tester into FAN motor

By changing condensor of same rating

even , it is not recetified

Take help of electrician to check the fan motor or bearing

Checking is not very complex , it is very simple .

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This may be an often overlooked cause but it was the problem in my case. I had a fan which has a 400 mm sweep. A few months ago I sent it for rewinding and after it came back started running slower than before. The rewinding agency and the local electrician concluded and tried to convince me that factory original winding has an edge over a refurbished job and hence the lack of speed. After a lot of tinkering I compared it to the same fan installed in my bedroom and found out that the blade angles may be the culprit. It so happened that while removing the fan and refitting it, the blades got twisted and two out of four actually drooped a bit lower than the recommended angle. I spent 30 mins adjusting the angle an the position of the four blades using a reference point from the (dangled a thread and marked where each blade should be touching the leading the trailing edge) and to my surprise a small adjustment to the blades made a significant increase to the RPM. I should have noticed the fan actually getting hotter when ever I touched it in the past and I often disregarded it thinking of it as a result of extended run periods. It was not, it was a result of higher aerodynamic drag. Point to remember is that ceiling fans are not high in torque (they are medium to high RPM motors ) and hence they cannot cut through the air efficiently if the blade angles are not optimal. Hence even a slight misalignment of the blade angle can cause a significant drop in RPM and air flow.. I also noticed that all fans in my house were running much slower than before and found out the second reason. Our domestic helper often holds the blades while cleaning it and this ends up bending them and altering the angle of sweep which creates un-desired drag and lower RPM, some were actually wobbling. The wobble was caused due to one blade being out of position and this causes the anchor eye bolt to grind. As for the capacitor it either works as expected or does not, there is no degradation that you wont notice and a factory supplied capacitor works minimum 3-4 years with out any problems considering normal domestic usage. And putting a higher capacity capacitor makes no big difference for domestic fans but you must ensure they are rated correctly. Check again, and adjust the blades and it may just solve your problem.

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