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天井に取り付ける空調ファン、箱型ファン、スタンド型ファンを含む家庭用扇風機の修理ガイド

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I can hear the motor on the fan it starts to turn but won't

When I turn on my xtreme garage floor fan I can hear the motor running and the blades try to spin but it won't and the back starts to get hot

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Android 修理キット

交換用スクリーンやバッテリーの修理キット

ショップを見る

Android 修理キット

交換用スクリーンやバッテリーの修理キット

ショップを見る

3件の回答

Most Helpful Answer

You need to change your fan's bushings. Bushings hold the armature centered on the core winding of the motor. When one or both bushings are worn out, applying power on the motor will pull the armature to one side and cling to the core winding instead of making the armature turn. When the fan is "off", there is no magnetic field on the core so the armature is loose so you can easily turn it. To see if your bushings are worn out, take off the fan blade by removing the knob in front of the blade, turn it clockwise. When the knob is out, pull the fan blade off the armature shaft. Then hold the exposed armature shaft with your hand and try to move it vertically and horizontally. When you feel a movement, your bushings need replacing.

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Often when the fan buzzes but doesn't start and then starts when you give it a nudge and/or it starts only when switched to hi speed , suspect the starting capacitor. If the fan doesn't start at all , use an ordinary ohmmeter to check continuity at the plug end while switched to different speed settings. If there is a reading check to see if the reading changes slightly when switching between different speeds. If readings are obtained it indicates that the coil wires are ok. If no reading at all then suspect the small thermal fuse is open (because it did it’s job) protecting the motor from overheating and burning out the coils. This can be caused by a u/s cap or as mentioned in other answers , by lubricants having become so sticky that the starting torque is just not enough to turn the motor which will cause it to overheat and open the thermal fuse. The latter can be replaced with some difficulty and a steady hand. It is normally heat-shrunk and soldered between a mains wire and a thin enamelled copper coil wire.

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Try to jump start your fan by pushing it with your hands after starting it. If that doesn't work, then check the fan's wiring- find an electrician, or call the fan's company and check if you still have warranty.

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something also might be stuck in the motor such as hair.

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