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TROUBLES AND REMEDIES
Trouble
Possible causes
Remedies
Motor unable to run
or running slow
⑴
Fault in line, or voltage insufficient
⑵
Power wire too thin or too long
⑶
Fault in pressure switch
⑷
Fault in motor
⑸
Sticking of main compressor
⑹
The inner thermal protector on motor cut off
⑴
Check the line
⑵
Replace the wire
⑶
Repair or replace
⑷
Repair or replace
⑸
Check and repair
⑹
Compressor works too hard, turn off
the power and wait for 10-15minutes to
cool down motor and restart.
Sticking of main
compressor
⑴
Moving parts burnt due to insufficient oil
⑵
Moving parts damaged, or stuck by foreign body
Check crankshaft, bearing, connecting
rod, piston, piston ring, etc. and replace
if necessary
Excessive vibration
or abnormal noise
⑴
Connecting part loose
⑵
Foreign body got into main compressor
⑶
Piston knocking valve seat
⑷
Moving parts seriously worn
⑴
Check and retighten
⑵
Check and clean away
⑶
Replace with thicker paper gasket
⑷
Repair or replace
Pressure insufficient
or discharge
capacity decreased
⑴
Motor running too slow
⑵
Air filter choked up
⑶
Leakage of safety valve
⑷
Leakage of discharge pipe
⑸
Sealing gasket damaged
⑹
Valve plate damaged, carbon build up or stuck
⑺
Piston ring and cylinder worn or damaged
⑴
Check and remedy
⑵
Clean or replace the cartridge
⑶
Check and adjust
⑷
Check and repair
⑸
Check and replace
⑹
Replace and clean
⑺
Repair or replace
Excessive oil
consumption
⑴
Oil level too high
⑵
Breath pipe choked up
⑶
Piston ring and cylinder worn or damaged
⑴
Keep the level within set range
⑵
Check and clean
⑶
Repair or replace
