KAESER M43 - 9.3 Compressor faults and alarms

9.3 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.
Check the diaphragm and clean
the nozzle or replace the pro‐
portional controller if necessary.
– X
Inlet valve not closing. Check the controller, the control
air line and the inlet valve and
replace if necessary.
– X
Pressure gauge giving false
reading.
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. 49 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.
Check the diaphragm and clean
the nozzle or replace the pro‐
portional controller if necessary.
– X
Inlet valve not opening or only
opening partially.
Repair or have replaced if nec‐
essary.
– X
Pressure gauge giving false
reading.
Have repaired or replaced if
necessary.
– X
Pressure relief valve maladjus‐
ted and/or leaking.
Have replaced if necessary. – X
Venting valve does not close. Check the connections and
function and have repaired or
replaced as necessary.
– X
Engine not running at full speed. See chapter 9.2. – –
Engine air filter and/or compres‐
sor air filter clogged.
Clean or change, see chap‐
ters 10.3.2 and 10.4.6.
– –
Oil separator cartridge heavily
clogged.
Change, see chapter 10.4.5. – –
Tab. 50 Fault: working pressure too low
9 Fault Recognition and Rectification
9.3 Compressor faults and alarms
64
Service Manual Screw Compressor
M43 No.: 9_9432 02 E
RAMIRENT