Possible cause Remedy Where can I get help?
Specialised
workshop
KAESER-ser‐
vice
Compressor oil filter clogged. Change, see chapter 10.4.4. – –
Compressor cooling oil level too
low.
Topping up, see chapter 10.4.2. – –
Oil pipes leaking. Seal leaks or have pipes
changed.
X X
Engine cooling system or cool‐
ing fan defective.
Have repaired. X X
Ambient temperature too high. See installation conditions in
chapter 5.2.
– –
Tab. 59 Fault: machine overheating
9.3.5 Too much oil residue in the compressed air
Possible cause Remedy Where can I get help?
Specialised
workshop
KAESER-ser‐
vice
Oil separator cartridge scavenge
line clogged.
Clean the oil separator cartridge
dirt trap or replace the strainer
and nozzle if necessary. See
chapter 10.4.5
.
– X
Fractured oil separator car‐
tridge.
See chapter 10.4.6 for chang‐
ing.
– –
Oil level in the oil separator tank
too high.
Reduce to maximum level, see
chapters 10.4.1 and 10.4.3.
– –
Tab. 60 Fault: too much oil residue in the compressed air
9.3.6 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 nec‐
essary.
– X
Tab. 61 Fault: oil flows from the compressor air filter after shutdown
9 Fault Recognition and Rectification
9.3 Evaluate compressor faults and alarms
76
Service manual Portable compressor
M122 No.: 9_6974 20 E