Symptom: Unit high exhaust temperature (over 100 ℃) · Unit coolant level is too low (it should be from the oil sight glass can be seen, but no more than half); · Oil cooler dirty; - clogged oil filter core ; * temperature control valve fault (bad element); · off the oil solenoid coil is not energized or damaged; · off the oil solenoid valve diaphragm rupture or aging; · fan motor failure; cooling fan is damaged; - the exhaust pipe is not blocked or exhaust resistance (back pressure) large; Ambient temperature exceeds the specified range (38 ℃ or 46 ℃); · Temperature sensor failure (control unit); * pressure gauge is faulty (relay control unit). Kunshan Andean Europe Refrigeration Equipment Co., Ltd. in the choice of air conditioning refrigeration compressor refrigeration oil, performance and mutual substitution has accumulated a wealth of experience. We have a sound procurement process first-hand purchase channels, a large number of common parts and compressor refrigeration oil stock, to facilitate customers in the most efficient manner and low price subscription to the desired product. Fu Sheng, Bitzer, Han Zhong, Beverly Knight, Carrier, Dunham-Bush, Frascold, Turin is the main brand is currently compressor fields; Clement, Dunham-Bush, Carrier, York, Trane McQuay, Daikin, Hitachi is currently the mainstream brand heat pumps and chillers, our stock covers most of the common parts of these brand on the market, especially for central air conditioning systems and compressors needed to overhaul and major maintenance Supplies We have compiled a comprehensive suite of major maintenance supplies for easy selection.