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Possible cause
Action
Where can I get help?
SW
KS
Engine alternator faulty.
Have it replaced.
X
–
Engine alternator regulator faul‐
ty.
Have it replaced.
X
–
Oil pressure switch indicates in‐
sufficient oil pressure.
Check drive engine oil level, see
–
–
Change oil, arrange to have
drive engine repaired if neces‐
sary.
X
–
SW = Specialist Workshop; KS = KAESER SERVICE
Tab. 59 Fault: “Engine does not start or stops”
9.3.2 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 chapter
–
–
Fuel filter clogged.
Clean or replace, see chapter
–
–
Fuel line broken.
Have it replaced.
X
–
Engine electrical fault
Have it repaired/replaced.
X
–
SIGMA CONTROL SMART con‐
troller faulty.
Arrange for it to be repaired/
replaced.
–
X
SW = Specialist Workshop; KS = KAESER SERVICE
Tab. 60 Fault: “Engine not reaching full speed”
9.3.3 Drive engine knocking or fails to start
Possible cause
Action
Where can I get help?
SW
KS
Diesel engine running on petrol
or premium-grade petrol.
Switch the machine off immedi‐
ately (see Chapter 8.3). Pump
out / drain the tank. Replace the
fuel injection pump. Check the
drive engine.
X
X
SW = Specialist Workshop; KS = KAESER SERVICE
Tab. 61 Fault: “Drive engine knocking or fails to start”
9
Fault Recognition and Rectification
9.3
Evaluating engine faults and alarms
92
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M58utility SIGMA CONTROL SMART
No.: 901779 08 USE