In the hot summer, air conditioners have become an essential electrical appliance at home. However, the use of electric fans has not been completely replaced. After all, electric fans are healthier. So, what are the methods for maintenance of electric fans ? Let's take a look at the explanations made by everyone.
Method of fan maintenance:
1) First measure the voltage with a multimeter. If there is no voltage, check the line. If the voltage is too low, find out the cause and restore the normal voltage.
2) Turn on the fan motor, find the fault point, and re-weld.
3) After turning on the electric fan motor, find out where the stator winding is broken and re-connect it; when the damage is serious, replace the new winding.
4) The quality of the electric fan capacitor can be measured by the high-barrier of the multimeter. It can be judged by the presence or absence of charge and discharge. The pointer is finally indicated as infinite (but it cannot be broken). In addition, 500V insulation resistance meter can be used to detect the quality of the electric fan capacitor. The method is to connect the two leads of the capacitor to the 500V insulation resistance meter. The resistance of the insulation resistance should be zero at the beginning of the shaking test, and soon rise to hundreds. Megohms, at this time, the insulation resistance meter line is removed, and the two leads of the capacitor are short-circuited, and the discharge sound is immediately heard and a spark is generated, indicating that the capacitor is neither short-circuited nor continuous, otherwise the fan capacitor should be replaced.
5) Open the fan motor and replace the bearing.
6) Open the electric fan, refuel the bearing or use the active reamer to properly loosen the bearing hole to make it flexible.
7) Find the break point and perform the welding process. If the number of broken wires is large and the damage is serious, the windings of the fan motor must be re-wound.
The above is a small number of electric fan repair methods for everyone, I hope to help you, after all, the cost of finding a person to repair the fan is not cheap, why not learn it yourself? More related explanations, so stay tuned Xiaobian's tracking report.
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