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TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
Motor not running,
running slow or
getting hot
Fault in line or insufficient voltage
Check the line
Power wire too thin or long
Replace the wire
Faulty pressure switch
Repair or replace
Faulty motor
Repair or replace
Main compressor sticking
Check and repair
Main compressor Sticking
Seized due to insufficient oil
Check crankshaft, bearing, connecting rod, piston, piston ring etc.
Replace if necessary
Moving parts damaged by foreign body
Shaking or abnormal noise
Connecting parts loose
Check and re-tighten
Foreign body in the main compressor
Check and clean
Piston locking valve seat worn/torn
Replace gasket
Moving parts seriously worn
Repair or replace
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
Pressure insufficient or
discharge capacity
decreased
Motor running too slow
Check and remedy
Air filter clogged
clean or replace
Safety Valve leaking
Check and adjust
Discharge pipe leaking
Check and repair
Sealing gasket damaged
Check and replace
Valve plate damaged, stuck or carbon build up
Clean or replace
Piston ring and cylinder worn or damaged
Repair or replace
Excessive oil consumption
OIl level too high
Keep oil level within set range
Breather pipe choked up
Check and clean
Piston ring and cylinder worn or damaged
Repair or replace