Possible cause
Remedy
Where can I get help?
Special‐
ised
work‐
shop
KAESER
-service
Engine
service
manual
Defective alternator regulator.
Have repaired or replaced if
necessary.
X
X
–
Engine oil pressure too low.
Check engine oil level, see
–
–
X
Check the engine and have re‐
paired if necessary.
X
X
–
Tab. 55 Indicator lamp remains on
9.3 Evaluate compressor faults and alarms
9.3.1 Working pressure too high
Possible cause
Remedy
Where can I get help?
Specialised
workshop
KAESER-ser‐
vice
Proportional controller maladjus‐
ted or defective.
Have repaired or replaced if
necessary.
–
X
Inlet valve does not close.
Check the controller, the control
air line and the inlet valve and
replace if necessary.
–
X
Pressure gauge indicating false
pressure.
Have repaired or replaced if
necessary.
–
X
Venting valve does not blow off. Check the connections and
function and have repaired or
replaced as necessary.
–
X
Tab. 56 Fault: working pressure too high
9.3.2 Working pressure too low.
Possible cause
Remedy
Where can I get help?
Specialised
workshop
KAESER-ser‐
vice
Proportional controller maladjus‐
ted or defective.
Have repaired or replaced if
necessary.
–
X
Inlet valve not opening or only
opening partially.
Repair or have replaced if nec‐
essary.
–
X
Pressure gauge indicating false
pressure.
Have repaired or replaced if
necessary.
–
X
Pressure relief valve maladjus‐
ted and/or leaking.
Have repaired or replaced if
necessary.
–
X
9
Fault Recognition and Rectification
9.3
Evaluate compressor faults and alarms
74
Service manual Portable compressor
M122
No.: 9_6974 20 E
RAMIRENT
