1. The machine does not start: check the main switch and power cord, check the motor;
2. The machine does not load after starting up: adjust the pressure switch setting value or replace the pressure switch, check or replace the solenoid valve;
3. The compressor does not unload, and the safety valve discharges: adjust the setting value of the pressure switch or replace the pressure switch, check or replace the solenoid valve;
4. Excessive oil consumption: use oil as recommended, lower the oil level to the normal position, remove the oil return line for cleaning, and replace the oil and gas separator filter element;
5. Exhaust pressure is lower than the specified value: reduce air consumption or increase compressor, check system leakage, clean or replace intake filter element, replace oil and gas separator filter element, check or replace solenoid valve, repair intake control valve, replace Belt, adjust the setting value of the pressure switch;
