9 Fault Recognition and Rectification
9.1 Basic instructions
The following tables are intended to assist in fault finding and rectification.
1.
Do not attempt fault rectification measures other than those given in this manual!
2. In all other cases:
Have the fault rectified by an authorized KAESER service representative.
Further information Observe the instructions in chapter 3 "Safety and Responsibility" and prevailing local safety regula‐
tions when rectifying faults and malfunctions.
Comply also with local applicable safety provisions!
9.2 Evaluate engine faults and alarms
Further information The engine service manual gives further information.
9.2.1 Engine refuses to start or does not turn over
Possible cause Remedy Where can I get help?
Special‐
ised
work‐
shop
KAESER
-service
Engine
service
manual
Defective starter. have replaced. X – –
The fuel cut-off device has not
opened.
Check the coil and electrics and
have changed if necessary.
X – –
Fuel tank empty. Fill up the fuel tank – – –
Airlock in the fuel line between
fuel tank and injector pump.
Bleed the fuel line (see chapter
10.3.3).
– – X
Fuel filter clogged. Clean or replace, see chap‐
ter 10.3.3.
– – X
Fuel line broken. have replaced. X X –
Defective control fuse or relay. Have repaired or replaced if
necessary.
X X –
Airend discharge temperature
too high.
Have adjusted. – X –
Defective temperature gauge
switch giving no enable signal.
Have repaired or replaced if
necessary.
– X –
Starter switch defective. Have repaired or replaced if
necessary.
– X –
Electrical connections and/or ca‐
bles loose or broken.
Tighten the connection or have
the cable replaced.
X X –
Defective battery or low charge. Maintain battery, see chapter
10.6.
– – –
9 Fault Recognition and Rectification
9.1 Basic instructions
72
Service manual Portable compressor
M122 No.: 9_6974 20 E
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