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Possible cause
Remedy
Where can I get help?
Specialised
workshop
KAESER Ser‐
vice
Oil level in the oil separator tank
too high.
Reduce to maximum level, see
–
–
Tab. 74 Fault: too much oil residue in the compressed air
9.4.6 Oil flows from the compressor air filter after shutdown
Possible cause
Remedy
Where can I get help?
Specialised
workshop
KAESER Ser‐
vice
Defective non-return function of
the inlet valve.
Repair or have replaced if neces‐
sary.
–
X
Tab. 75 Fault: oil flows from the compressor air filter after shutdown
9.4.7 Option da, db, dc, dd
High moisture content in the compressed air
Possible cause
Remedy
Where can I get help?
Specialised
workshop
KAESER Ser‐
vice
Blocked condensate drain on the
cyclone separator.
Clean the cyclone separator dirt
trap or replace the strainer and
nozzle if necessary. Replace
–
X
Tab. 76 Fault: high moisture content in the compressed air
9
Fault Recognition and Rectification
9.4
Compressor faults and alarms
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
95