ROTORCOMP NK 100, Operating Manual, Page: 48 / 52

ROTORCOMP VERDICHTER Operating Manual - NK 100
10.2 [en] 09/2008
Fault Possible cause Remedy See chapter
Safety valve blows off Safety valve defective Replace safety valve
Fine separator cartridge
soiled
Replace cartridge 7.5.2
System does not switch off
automatically
Control valve operates
intermittently
Check solenoid valve
Oil in compressed air Clean oil extraction
system
Fine separator cartridge
defective
Check cartridge and
replace if necessary
7.5.2
Oil level in oil reservoir too
high; possibly excessive
condensate
Observe oil level marking;
drain and replace if
necessary
7.2
System is not discharged
during continuous
operation, system does not
switch off automatically in
case of intermittent
operation, i.e. safety valve
blows off
Upper switching point of
network pressure monitor
set too high
Readjust network
pressure monitor
Solenoid valve defective
Relief valve defective
Replace solenoid valve/
relief valve
Minimum-pressure holding
valve jammed
Check minimum-pressure
holding valve for smooth
movement; ensure
smooth movement
if necessary
System continually
discharges, low feed
quantity
Solenoid valve defective Replace solenoid valve
Break in electric supply
line to solenoid valve
Eliminate break
No or insufficient feed
quantity
Intake filter soiled Replace filter insert
Oil shortage Check oil level and top up
if necessary
7.2
Intake control valve jams
or is incorrectly positioned
Check control valve and
control valve flap, clean
bearings and guides,
check stroke
Leaks in system Check, seal off