Answer: (1) Cause analysis.
1) Air filter is clogged;
2) Intake valve is not functioning properly;
3) Pressure maintenance valve is not functioning properly;
4) Oil fine separator is clogged;
5) Discharge solenoid valve is leaking;
6) Improper adjustment of the capacity regulating valve;
7) User pipe network has leakage;
8) Pressure switch is set too low or pressure switch is faulty;
9) Pressure sensor or pressure gauge input hose is leaking;
10) The actual gas consumption is greater than the unit output gas volume.
(2) Elimination method.
1) Clean and replace;
2) Check whether the intake valve is fully open and eliminate the fault;
3) After disassembly, check whether it is worn, stuck, or spring fatigued;
4) Replace;
5) Disassemble and clean. Replace if necessary;
6) Re-adjust the valve position of the capacity regulating valve;
7) Eliminate the leak;
8) Reset;
9) Replace the meter tube;
10) Check the gas consumption.
