Common Causes of high pressure alarm chiller Cause Analysis 1. Cooling water is not open refrigeration equipment maintenance, this problem is very easy to solve, but it is common mistakes. Solution: Open the valve. 2. The cooling water flow is too small or too hot. Solution: increase or decrease the temperature of the cooling water flow (cooling water to allow 21 degrees -38 degrees). Chiller Maintenance screw compressor maintenance screw compressor is a very critical component unit, the compressor is directly related to the stability of the unit. If the compressor fails. Due to the high precision screw compressor installation requirements, generally need to ask the manufacturer for repair. Refrigeration plant, Snow Dragon refrigeration (certified), refrigeration equipment provided by the Dongguan City-long Refrigeration Electrical and Mechanical Equipment Engineering Co., Ltd .. Dongguan City-long Refrigeration Electrical Equipment Engineering Co., Ltd. (www.dgxuelong.com) is Dongguan, heat, refrigeration and air conditioning equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. In the Snow Dragon refrigeration leadership with the staff warmly welcome all inquiries negotiations to create a better future XUELONG refrigeration.