DONGGUAN XINGDONG ELECTRONICS CO., LTD.
Add: NO.2, Dagao Hengfeng 2nd Road, Changping Town, Dongguan, Guangdong, China
Tel：+86-769-83660708
Fax：+86-769-83660718
Email：info@d-fan.com.cn
URL：http://www.hdtools.com.cn/eng/
Analysis:
1. "220V Cooling Fan"Power barrier;
2. burn insurance;
3. "220V Cooling Fan"Temperature switch bad;
4. Transformer / HV Diode / time power dividers / magnetron loose wiring or destroyed;
5. "220V Cooling Fan"voltage drops below 187 volts, can not start. Solution: Check the power supply, fuse and all the main circuit components and wiring.