STIER LKT 880-10-90 Originalbetriebsanleitung Seite 26

EN User Guide
Compressor is
running, pressure is
indicated on the
pressure gauge, but
the tools are not
running
Compressor starts
up briefly or hums
when the switch-on
pressure is reached
and then switches
off automatically
Compressor is
running
continuously
Compressor
switches on
frequently
Compressor
switches off before
reaching switch-off
pressure
Safety valve blows
off
Compressor unit
becomes too hot
Compressor unit is
overheated and the
STIER Industrial GmbH
Condensate drain plug open or
missing
Air filter clogged.
Too much condensate in the
pressure vessel
Hose connections leaking
Insufficient pressure set on the
pressure regulator
Quick coupling leaking
Air consumption of the
pneumatic tool is too high
Mains power cable is too long or
the cross-section of the cable is
too small
Air filter clogged.
Air consumption of the
pneumatic tool is too high
Leakage at compressor
Compressed-air line leaking
Condensate drain plug open or
missing
Too much condensate in the
pressure vessel
Compressor overloaded
Defective pressure switch
Vessel pressure is higher than
the set switch-off pressure
Safety valve is defective
Supply air is insufficient
Cooling ribs on cylinder
(cylinder head) are dirty
Operating time too long
Insufficient oil level
Compressor unit is overloaded
Compressor unit is defective
Tighten the screw by hand. Check the
seal on the screw, replace if necessary
Clean or replace filter
Drain condensate
Check compressed-air hose and tools,
replace if necessary
Turn up the pressure regulator
Check, replace if necessary
Check air consumption of the consumer,
contact customer service
Check mains connection length and
cable cross-section
Clean or replace filter
Check air consumption of the pneumatic
tool; contact customer service
Locate leakage, inform qualified
personnel
Inform qualified personnel
Close or insert it
Drain condensate
Consult qualified personnel
Have pressure switch replaced/adjusted
by a qualified person
Have pressure switch
readjusted/replaced by qualified
personnel
Replace safety valve or consult qualified
personnel
Ensure that there is sufficient ventilation
(minimum spacing from the wall 40 cm;
observe ambient temperature)
Clean cooling ribs on cylinder (cylinder
head)
Switch off compressor
Check oil level and top up with intended
oil if necessary
Consult qualified personnel
Consult qualified personnel
26 EN