KAESER M122 - Evaluate Compressor Faults and Alarms; Working Pressure too High; Working Pressure too Low; Tab. 55 Indicator Lamp Remains on

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
chapter 10.3.4
.
– – 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