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10. TROUBLESHOOTING
Motor won’t run.
Motor running
too slow or
getting too hot.
Sticking of main
compressor.
Excessive
compressor motor
shaking or
abnormal noise.
Pressure insufficient
or discharge
capacity decreased.
Excessive oil
consumption.
1. No electrical power
2. Power wiring too thin or
too long.
3. Fault in pressure switch.
4. Fault in motor.
5. Sticking of main
compressor.
1. Moving parts damaged
due to insufficient oil
lubrication.
2. Moving parts damaged,
or stuck by foreign body.
1. Connecting part
loosened.
2. Foreign body in main
compressor.
3. Piston knocking valve
seat.
4. Moving parts seriously
worn.
1. Motor running too slow.
2. Air filter choked up.
3. Leakage of safety valve.
4. Leakage of discharge
pipe.
5. Sealing gasket damaged.
6. Valve plate damaged,
carbon buildup or stuck.
7. Piston ring and cylinder
worn or damaged.
1. Oil level too high.
2. Breather pipe blockage.
3. Piston ring and cylinder
worn or damaged.
1. Check the power supply.
2. Replace the wire.
3. Repair or replace.
4. Repair or replace.
5. Check and repair.
Check crankshaft, bearing
connecting rod, piston, piston ring,
etc., and replace if necessary
1. Check and retighten.
2. Check for object, remove and
clean.
3. Replace with thick paper gasket.
4. Repair or replace.
1. Check and remedy.
2. Clean or replace the cartridge.
3. Check and adjust.
4. Check and repair.
5. Check and replace.
6. Replace and clean.
7. Repair or replace
1. Keep the level within the set
range.
2. Check and clean.
3. Repair or replace
