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Possible cause
Measure
Where can I get help?
SW
KS
Oil cooler surface clogged.
Clean surface, see chap‐
–
–
The working element of the ther‐
mostatic valve not working.
Have it repaired or replaced if
necessary.
–
X
Working pressure too high (pro‐
portional controller maladjus‐
ted).
Reset to the permissible value
or have it replaced.
–
X
Oil separator cartridge heavily
clogged.
Measure the pressure differen‐
tial and change the cartridge if
greater than 1 bar. Change, see
–
X
Compressor oil filter cartridge
clogged.
–
–
Compressor cooling oil level too
low.
Replenish, see chapter 10.6.2.
–
–
Oil pipes leaking.
Seal leaks or have pipes
changed.
X
X
Engine coolant cooling or en‐
gine cooling fan defective.
Have it repaired.
X
X
Ambient temperature too high.
See installation conditions in
–
–
SW = Specialised workshop; KS = KAESER SERVICE
Tab. 85 Fault: machine overheating
9.4.5 Too much oil residue in the compressed air
Possible cause
Measure
Where can I get help?
SW
KS
Oil separator cartridge oil return
line of compressor clogged.
Clean the oil separator cartridge
dirt trap or replace the strainer
and nozzle if necessary. See
–
X
Cracked oil separator cartridge. Change, see chapter 10.6.6.
–
–
Oil level in the oil separator tank
too high.
Reduce to maximum level, see
–
–
SW = Specialised workshop; KS = KAESER SERVICE
Tab. 86 Alarm: "Too much oil residue in the compressed air"
9
Fault Recognition and Rectification
9.4
Analysing compressor faults and alarms
No.: 901783 08 USE
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M82 SIGMA CONTROL SMART
107