Screw air compressor failure phenomenon
Fault phenomenon: The unit exhaust temperature is high (over 100 °C)
The coolant level of the unit is too low (should be seen from the oil sight glass, but not more than half);
·The oil cooler is dirty. How to determine whether the cooler is dirty? The temperature difference between the inlet temperature and the outlet temperature is mainly between 20-30 degrees. If the external dust is blocked, the heat is only blocked. It needs to be dried by compressed air. If it can't be blown off, the internal heat of the radiator needs to be cleaned with a professional cleaning agent (such as heavy oil cleaning agent, copper, polyester, etc.). need to use;
Clean water pump cycle cleaning, cleaning time as the case. If the water-cooled radiator is clogged, the best way is to remove the front and rear end caps and clean the inside of the copper pipe with iron bars;
·The oil filter core is blocked;
·The temperature control valve is faulty (the component is broken);
·The oil-cut solenoid valve is not energized or the coil is damaged or the diaphragm of the solenoid valve is broken or aged;
·The cooling fan motor is faulty;
·The exhaust duct is not smooth or the exhaust resistance (back pressure) is large;
· The ambient temperature exceeds the specified range (38 ° C or 46 ° C);
· Temperature sensor failure (Intellisys control unit);
• Whether the pressure gauge is faulty (relay control unit).
