Possible cause
Action
Where can I get help?
SW
KS
Oil pressure switch indicating in‐
sufficient oil pressure.
Check engine oil level, see
X
X
Change oil. Repair engine if
necessary.
X
X
SW = specialist workshop; KS = KAESER SERVICE
Tab. 75 Fault: “Engine stops or fails to start”
9.2.2 Drive engine does not reach full speed
Possible cause
Action
Where can I get help?
SW
KS
Air pockets in fuel line between
fuel tank and injection pump.
Bleed the fuel line, see chap‐
X
X
Fuel filter clogged.
Clean or replace, see chap‐
X
X
Fuel line broken.
Replace.
X
X
Speed adjustment cylinder mal‐
adjusted or defective.
Repair or replace if necessary.
X
X
SW = specialist workshop; KS = KAESER SERVICE
Tab. 76 Fault: “Engine not reaching full speed”
9.2.3 Indicator lamp remains on
Possible cause
Action
Where can I get help?
SW
KS
Electrical connections and/or ca‐
ble loose or broken.
Tighten. Replace cables if nec‐
essary.
X
X
Engine alternator faulty.
Repair or replace if necessary.
X
X
Defective alternator regulator.
Check regulator. Replace if nec‐
essary.
X
X
Engine oil pressure too low.
Check engine oil level, see
X
X
Check the engine and repair if
necessary.
X
X
SW = specialist workshop; KS = KAESER SERVICE
Tab. 77 Alarm: "Control lamp remains on"
9
Fault Recognition and Rectification
9.2
Evaluating engine faults and alarms
No.: 9_9548 22 HCE
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
87
