1. The intake end bearing is damaged and removed.
2. The exhaust end bearing is damaged and removed.
3. The motor bearing is damaged and removed.
4. The displacement and pressure are lower than the specified value.
5. The gas consumption exceeds the amount of exhaust gas to check the connected equipment, clear the leak point or reduce the gas consumption.
6. The air filter element is blocked and removed for inspection. If necessary, the filter element should be cleaned or replaced.
7. The safety valve is leaked and removed for inspection. If it is still not sealed after repair, replace it.
8. The compressor is in contact with the manufacturer and the compressor is checked after negotiation. 9. The control pipeline between the oil separator and the unloading valve has a leak.