How to repair the USB mini small fan

　　Among the many types of fans, the USB mini fan is particularly welcomed by everyone. What should we do if the USB fan is not turned? How to repair the USB mini small fan?

　　1. Prepare all the items and materials. For example: electric iron, weld wire, welded and other materials. In addition, a small screwdriver, some insulating tapes, scissors, lacquer cables and other items should be prepared.

　　2. The small fan uses a small motor with a brush. If it does not turn it, the probability is caused by brush burnout, so we need to focus on checking the brush.

　　3. During maintenance, you can first remove the 4 screws under the fan with a screwdriver. Then pry the lid outside with the edge of the gap, and pull out the heavy sandbags in the cavity.

　　4. Cut off the internal wires, then remove the small motor inside, and then use the hand to push the burn brush to make it contact the motor rotor.

　　5. Welded the copper wire to the motor tin point. Wrap the tape around the copper wire to insulating. Plore the other end to the bipolar wire of the fan. The running fan is running, and the situation is completed well.

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