G
B
20
Any other type of operation must be carried out by authorized Service Centers, requesting original parts.
Tampering with the machine may impair its safety and in any case make the warranty null and void.
9. TROUBLESHOOTING GUIDE
Note: Remove power source and drain tank pressure prior to making any repairs or adjustments.
FAULT CAUSE REMEDY
Leakage of air from the valve of the
pressure switch with the compressor
off.
Checkvalvethat,duetowearor
dirtontheseal,doesnotperformits
function correctly.
Unscrew the hexagonal head of the
checkvalve,cleanthevalveseat
andthespecialrubberdisk(replace
ifworn).Reassembleandtighten
carefully.
Reductionofperformance.Frequent
start-up.Lowpressurevalues.
Excessiveperformancerequest,
check for any leaks from the
couplingsand/orpipes.Intakelter
may be clogged.
Replacethesealsofthetting,clean
orreplacethelter.
The compressor stops and restarts
automatically after a few minutes.
Tripping of the thermal cutout due to
overheating of the motor.
Clean the air ducts in the conveyor.
Ventilate the work area.
Afterafewattemptstorestart,the
compressor stops.
Tripping of the thermal cutout due to
overheatingofthemotor(removal
of the plug with the compressor
running,lowpowervoltage).
Activatetheon/offswitch.Ventilate
the work area. Wait a few minutes.
The compressor will restart
independently.
The compressor does not stop and
the safety valve is tripped.
Irregular functioning of the
compressor or breakage of the
pressure switch.
Remove the plug and contact the
Service Center.