Generator sets with a rest period of time and found everything normal, but power down, what are the causes? Answer: a, the air filter is dirty, the intake air is not enough, then have to clean or replace the air filter. b, dirty fuel filter device, the fuel injection quantity is not enough, must be replaced or cleaned. c, the ignition timing is not correct, to be adjusted. Cause the unit to automatically shut down or a protection project photoacoustic signal is as follows: The output voltage is too low, less than 320V (size can be set) output voltage is too high, special DSE560, higher than 450V (size can be set) output current is too high, Size can be set (depending on power generating units) frequency is too high, DSE560 controller, higher than 60Hz (size can be set) frequency is too low, the original DSE560, lower than 40Hz (size can be set) low speed emergency stop, DSE560, with emergency stop button to start the failed three times failed to start alarm (size can be set) oil pressure is too low, lower than 1.5bar original DSE560, deep sea (certified), DSE560 provided by the Dongguan City, South City Zhongxin Electrical and Mechanical operation. Dongguan Nancheng Zhongxin Electrical and operating (zhongxin888.net.cn) Dongguan, Guangdong, industrial products leader, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Zhongxin Electrical and Mechanical leadership with the staff warmly welcome all inquiries negotiations to create a better future for electromechanical faithful.