Product Manual

Troubleshooting
firstAir screw compressor FAS03 – 37 77
Fault description
Cause
Remedy
Personnel
System does not start
up when the start
switch is pressed
Network pressure
higher than switch-on
pressure
Observe network pressure
and change settings
Trained person
“Lokl” or “Remo” sym-
bol flashes
Remote control activated
Trained person
No voltage at the screw
compressor
Check whether there is volt-
age
Qualified electri-
cian
Electrical fault in the
controller
Check controller
Qualified electri-
cian
Compressed air con-
tains a lot of Oil (Oil
consumption too high)
Return line for the Oil is
blocked
Clean or replace return line
for the Oil
Qualified person-
nel
Faulty oil separator
Replace oil separator
Qualified person-
nel
System stops before
reaching the final pres-
sure
Excess temperature or
overpressure
Rectify fault
Qualified person-
nel
Interruption in the con-
trol power circuit
Check power circuit
Qualified electri-
cian
Pressure drop
Pressure difference of
the filters too high
Replace filter
Qualified person-
nel