Product Manual

Troubleshooting
firstAir screw compressor FAS03 – 37 75
14 Troubleshooting the screw compressor
Fault description
Cause
Remedy
Personnel
Compression tempera-
ture too high
Intake or ambient tem-
perature too high
Ventilate compressor room
Trained person
Cooling air intake or
outlet blocked
Unblock cooling air intake or
outlet sufficiently
Trained person
Oil contains contami-
nants
Replace the Oil
Qualified person-
nel
Oil low
Refill Oil
Qualified person-
nel
Oil cooler contains con-
taminants
Clean the Oil cooler
Qualified person-
nel
Network pressure
drops
Network pressure
drops
Compressed air con-
sumption higher than
delivery quantity of the
screw compressor
Screw compressor with higher
delivery quantity necessary
Manufacturer
Intake filter clogged
Replace intake filter
Qualified person-
nel
Relief valve discharges
during compression
Check relief valve and replace
gaskets if necessary
Manufacturer
Intake regulator does
not open
Check solenoid valve and
plunger and replace if neces-
sary
Manufacturer
Leaks in the com-
pressed air network
Seal the compressed air net-
work
Qualified person-
nel