Possible cause
Remedy
Where can I get help?
SW
KS
Fuel tank empty.
Fill up the fuel tank
–
–
Airlock in the fuel line between
fuel tank and injector pump.
Bleed the fuel line (see chap‐
–
–
Fuel filter clogged.
Clean or replace, see chap‐
–
–
Fuel line broken.
Have it checked.
X
–
Defective control fuse or relay.
Have it repaired or replaced if
necessary.
X
X
Discharge temperature too high. Have it checked.
–
X
SIGMA CONTROL SMART de‐
fective.
Have it 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 it checked.
X
–
Defective alternator regulator.
Have it checked.
X
–
Oil pressure switch indicating in‐
sufficient oil pressure.
Check the engine oil level (see
–
–
Have the engine repaired or ex‐
changed.
X
–
SW = Specialized workshop; KS = KAESER SERVICE
Tab. 59 Fault: engine refuses to start or comes to a stop.
9.3.2 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 chapter
–
–
Fuel line broken.
Have it checked.
X
–
Engine electrical fault
Have it repaired/changed.
X
–
SIGMA CONTROL SMART de‐
fective.
Have it repaired/changed.
–
X
SW = Specialized workshop; KS = KAESER SERVICE
Tab. 60 Alarm: "engine does not reach full speed".
9
Fault Recognition and Rectification
9.3
Evaluating engine faults and alarms
88
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M55 PE SIGMA CONTROL SMART pV
No.: 902366 10 USE