"220V Cooling Fan" may gradually be replaced by air-conditioning in family life, but there is little medical knowledge of certain people will understand. Air conditioning led to a confined space, the air does not circulate, will make the indoor air is very bad. But the fans is different, you do not have to blow his head, there would be no problem. Here we work together to understand Troubleshooting "220V Cooling Fan" it. Dynamic motor fans, I was based on the actual situation, in one step. Rather than, as described above, step by step repair. If the user says, slowly turn fan first, then gradually faster. According to experience, it is generally mild motor axle. The reason is that "220V Cooling Fan" early lubricants missing. Direct open fan motor in the front hub linoleum add a little sewing machine oil, generally can be repaired.