Fault Possible cause Remedy
Cooling oil leaking into the ma‐
chine interior.
Hose coupling or maintenance
hose still plugged into the
quick-release coupling on the
oil separator tank.
Remove coupling or mainte‐
nance hose.
Oil cooler leaking. Call KAESER SERVICE.
Leaking pipe joints. Tighten pipe joints.
Replace seals.
Cooling oil consumption too
high.
Unsuitable oil is being used. Change to SIGMA FLUID cool‐
ing oil.
Oil separator cartridge split. Changing the oil separator car‐
tridge
Oil level in the oil separator
tank too high.
Drain off oil until the correct lev‐
el is reached.
Oil return line clogged. Check the dirt trap strainer in
the oil return line.
Tab. 47 Other faults and remedies
9 Fault Recognition and Rectification
9.2 Other faults
54
Operating Manual Rotary screw compressor
SK 901848 21 E
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