1: The exhaust temperature is too high: check whether the exhaust pressure exceeds the specified, if so, it should be adjusted to the specified exhaust pressure;
2: Check whether the lubricating oil is clean and whether the oil level is normal, and if necessary, the lubricating oil should be replaced or replaced;
3: Check whether the fan motor speed is normal and the exhaust port is blocked;
4: Check whether the appearance of the oil cooler and the aftercooler is clean, and clean the outer surface of the cooler if necessary;
5: Check whether the environment has any impact on the air intake and exhaust of the unit, if so, the influence of external factors should be excluded to ensure the normal ventilation of the unit; 6: Check whether the temperature control valve is damaged; Check whether the solenoid coil and diaphragm of the solenoid valve are damaged, and repair or replace them if necessary;
7: Check whether the oil and gas separator filter element is blocked or the resistance is too large, if yes, replace the oil filter element.
