AC motor
• The mains voltage must be 230 V~
• Extension cables up to 25 m long must have a cross-
section of 1.5 mm
2
.
Connections and repairs of electrical equipment
may only be carried out by an electrician. Please provide
the following information in the event of any enquiries:
• Type of current for the motor
• Machine data - type plate
• Machine data - type plate
Failure
Possible cause
Motor does not
Fault in electric current or mains voltage too
start, runs too
low.
Electric cable too long or too thin.
slowly, or gets
Faulty pressure switch.
extremely hot.
Faulty motor.
Main compressor does not run smoothly, got
stuck.
Main compres-
Moving parts damaged by heat due to insuf-
sor does not run
ficient lubrication.
Moving parts damaged or blocked by foreign
smoothly, got
bodies.
stuck.
Vibrations or
Loose parts.
strange noise.
Foreign body in compressor.
Piston rod with valve seat.
Moving parts too hot.
Insufficient pres-
Motor runs too slowly.
sure or drop in
Dirty filter cartridge.
output capacity.
Leakage in safety valve.
Leakage in tube.
Gasket damaged.
Valve seat damaged or covered with carbon
layer.
Piston ring or cylinder damaged.
Oil consumption
Oil level too high.
Hole in oil inlet plug (14) blocked.
too high.
Piston ring and/or cylinder worn or damaged.
Trouble-shooting
Remedy
Check mains voltage.
Get a new cable from your dealer.
Have it repaired or replaced by your dealer.
Have it repaired or replaced by your dealer.
Have it repaired or defective parts replaced by
your dealer.
Crank shaft, bearing, connecting rod, piston
rings etc. to be checked by your dealer and
replaced, if needed.
Have checked by your dealer and repaired, if
needed.
Have checked by your dealer and repaired, if
needed.
Have the gasket enlarged by your dealer.
Have repaired by your dealer or replaced.
Have checked by your dealer and repaired, if
needed.
Clean or replace filter cartridge.
Have switch repaired or replaced by your
dealer.
Have checked by your dealer and repaired, if
needed.
Have checked by your dealer and repaired, if
needed.
Have checked by your dealer and repaired, if
needed.
Have checked by your dealer and repaired, if
needed.
Keep oil at correct level.
Check and clean it.
Have checked by your dealer and repaired, if
needed.
international 81