Thursday, January 13, 2011

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Did Your Cling or Table Fan rotates slowly than before? Here is the solution. ඔබගේ වීදුලි පංකාව කැරකෙන්නේ පෙරට වඩා සෙමින්ද?

This is the circuit diagram of a simple fan. The fan symbol indicates the Armature Coil Windings. Rheostat indicates the speed controlling buttons.
There are two major reasons for slowness of the fan.
  1. Capacitor is burned.
  2. There is a short circuit in the winding or Some part of the winding burned.
To find out the reason, You have to do a small trick, Find the consensor of your fan, Cu the connecting wires to that condenser. then switch on the the fan and rotate fan blades with your hands. If fan starts to run in the early speed the fault occurred due to bad condenser. So you have to replace a one.


If the speed is same as before(Slow) most probably there can be a leek in the windings. So you have to replace total armature part of the fan. If it occurs in a cycling fan you have to forget of the fan. If you try to repair the winding of the fan it takes money than a new man. So replacing armature is better. You can buy it near 800 rupees. Hear is a picture of the motor.




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