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Possible cause
Remedy
Where can I get help?
SW
KS
Defective control fuse or relay.
Have repaired or replaced if
necessary.
X
X
Airend discharge temperature
too high.
Have checked.
–
X
SIGMA CONTROL SMART de‐
fective.
Have repaired/changed.
–
X
Electrical connections and/or ca‐
bles loose or broken
Tighten the connection or have
the cable replaced.
X
–
Defective battery or low charge. Maintain battery, see chap‐
–
–
Motor alternator defective.
Have changed.
X
–
Defective alternator regulator.
Have changed.
X
–
Oil pressure switch indicating in‐
sufficient oil pressure.
Check the engine oil level (see
–
–
Have the engine repaired or ex‐
changed.
X
–
SW = specialised workshop; KS = KAESER SERVICE
Tab. 61 Fault: engine refuses to start or comes to a stop.
9.3.1 Engine does not reach full speed
Possible cause
Remedy
Where can I get help?
SW
KS
Airlock in the fuel line between
fuel tank and injector pump.
Bleed the fuel line (see chapter
–
–
Fuel filter clogged.
Clean or replace, see chap‐
–
–
Fuel line broken.
Have changed.
X
–
Engine electrical fault
Have repaired/changed.
X
–
SIGMA CONTROL SMART de‐
fective.
Have repaired/changed.
–
X
SW = specialised workshop; KS = KAESER SERVICE
Tab. 62 Alarm: "engine does not reach full speed".
9
Fault Recognition and Rectification
9.3
Evaluating engine faults and alarms
92
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE