Possible cause
Remedy
Where can I get help?
SW
KS
Defective alternator regulator
Have repaired or replaced if
necessary
X
X
Oil pressure switch indicating in‐
sufficient oil pressure
Check engine oil level, see
–
–
Have the engine repaired or ex‐
changed
X
X
SW = Specialised workshop; KS = KAESER SERVICE
Tab. 68 Fault: engine refuses to start or comes to a stop.
9.2.2 Engine does not reach full speed
Possible cause
Remedy
Where can I get help?
SW
KS
SW = specialised workshop; KS = KAESER SERVICE
Airlock in the fuel line between
fuel tank and injector pump
Bleed the fuel line (see chap‐
X
X
Fuel filter clogged
Clean or replace, see chap‐
X
X
Fuel line broken
Have changed
X
X
Speed adjustment cylinder mal‐
adjusted or defective
Repair or have replaced if nec‐
essary
X
X
Tab. 69 Alarm: "engine does not reach full speed".
9.2.3 Indicator lamp remains on
Possible cause
Remedy
Where can I get help?
SW
KS
SW = specialised workshop; KS = KAESER SERVICE
Electrical connections and/or ca‐
bles loose or broken
Tighten the connection or have
the cable replaced
X
X
Motor alternator defective
Have repaired or replaced if
necessary
X
X
Defective alternator regulator
Have repaired or replaced if
necessary
X
X
Engine oil pressure too low
Check engine oil level, see
X
X
Check the engine and have re‐
paired, if necessary
X
X
Tab. 70 Alarm: "Control lamp remains on"
9
Fault Recognition and Rectification
9.2
Evaluating engine faults and alarms
No.: 9_9547 13 USE
Operator Manual Screw Compressor
MOBILAIR M27
79