international 31
Trouble-shooting
Failure Possible cause Remedy
Motor does not
start, runs too
slowly, or gets
extremely hot.
Fault in electric current or mains voltage too low. Check mains voltage.
Electric cable too long or too thin. Get a new cable from your dealer.
Faulty pressure switch. Have it repaired or replaced by your dealer.
Faulty motor. Have it repaired or replaced by your dealer.
Main compressor does not run smoothly, got
stuck.
Have it repaired or defective parts replaced by
your dealer.
Main compres-
sor does not run
smoothly, got
stuck.
Moving parts damaged by heat due to insuf-
cient lubrication.
Crank shaft, bearing, connecting rod, piston
rings etc. to be checked by your dealer and
replaced, if needed.
Moving parts damaged or blocked by foreign
bodies.
Vibrations or
strange noise.
Loose parts. Have checked by your dealer and repaired, if
needed.
Foreign body in compressor. Have checked by your dealer and repaired, if
needed.
Piston rod with valve seat. Have the gasket enlarged by your dealer.
Moving parts too hot. Have repaired by your dealer or replaced.
Insufcient pres-
sure or drop in
output capacity.
Motor runs too slowly. Have checked by your dealer and repaired, if
needed.
Dirty lter cartridge. Clean or replace lter cartridge.
Leakage in safety valve. Have switch repaired or replaced by your dealer.
Leakage in tube. Have checked by your dealer and repaired, if
needed.
Gasket damaged. Have checked by your dealer and repaired, if
needed.
Valve seat damaged or covered with carbon
layer.
Have checked by your dealer and repaired, if
needed.
Piston ring or cylinder damaged. Have checked by your dealer and repaired, if
needed.
Oil consumption
too high.
Oil level too high. Keep oil at correct level.
Hole in oil inlet plug (14) blocked. Check and clean it.
Piston ring and/or cylinder worn or damaged. Have checked by your dealer and repaired, if
needed.
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