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It is possible that the thread has been burned.
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The wire is burned, resulting in poor connection.
First of all, you check whether it is powered on, if the electricity passes, look at the capacitor, if the capacitor is not broken, if it is broken, change the capacitor, turn the fan blade by hand to see if it is flexible, if these are all problems, then there is a problem with the motor, it is estimated that you can't get it right, take it to repair the inside.
1. Check the line, 2. Check the motor, 3. Check the switch, 4Check the capacitance, 5. Check the fuse.
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