Screw compressor maintenance organization must find a professional to do, because the technical requirements of this industry is relatively high. Considering what the appropriate chiller maintenance, generally if it is not in a hurry urgently chiller refrigeration equipment maintenance, it is best to be able to slowly, but under normal circumstances but also the production process needs of enterprises, so only a hurried panic to find repair facility maintenance unit, Then with a good catch, so in this case we must find efficient maintenance organizations, and only skillful to be able to quickly solve the problem. Snow Dragon is such an industrial refrigeration equipment, strong technology, first-class service efficiency refrigeration equipment maintenance organizations engaged in servicing the refrigeration industry for nearly a decade, has a lot of experience in the industry. Is a service-oriented refrigeration equipment, customer satisfaction for the purpose of the enterprise. Our technology can not boast that more cattle, but for so many years that we have so many user support, sufficient to explain our services are done for. 1. Causes of low pressure alarm insufficient refrigerant. Solution: leak detection, pipe joints for leaks after patching add refrigerant point?. 2. The filter is clogged. Solution: washable or replace the filter. 3. brass condenser fouling much smaller diameter, the heat worse. Solution: Clean the condenser brass. The expansion valve opening is too small. Solution: appropriate to reduce the degree of expansion valve opening, after exclusion of high and low voltage protection is automatically reset. Refrigeration plant, refrigeration equipment, refrigeration provided by Snow Dragon Snow Dragon City Refrigeration Electrical and Mechanical Equipment Engineering Co., Ltd .. Dongguan City-long Refrigeration Electrical Equipment Engineering Co., Ltd. (www.dgxuelong.com) strong, credible, in Dongguan, Guangdong heat exchangers, refrigeration and air conditioning equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead XUELONG refrigeration and you hand into the brilliant, for a better future!