KAESER KOMPRESSOREN MOBILAIR M58utility, Operator'S Manual

Page: 105 / 254

9.4 Analysing compressor faults and alarms
9.4.1 Working pressure too high
Possible cause Remedy Where can I get help?
SW
KS
Proportional controller 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
SW = specialised workshop; KS = KAESER SERVICE
Tab. 62 Fault: working pressure too high
9.4.2 Working pressure too low.
Possible cause Remedy Where can I get help?
SW
KS
Proportional controller 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
Venting valve does not close. Check the connections and
function and have repaired or
replaced as necessary.
– X
Engine does not run at maxi‐
mum speed (in LOAD opera‐
tion).
See chapter 9.3 X X
Engine air filter and/or compres‐
sor air filter clogged.
Clean or change, see chap‐
ters 10.4.2 and 10.6.7.
– –
Oil separator cartridge heavily
clogged.
Change, see chapter 10.6.6. – –
SW = specialised workshop; KS = KAESER SERVICE
Tab. 63 Fault: working pressure too low
9 Fault Recognition and Rectification
9.4 Analysing compressor faults and alarms
No.: 901779 08 USE
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M58utility SIGMA CONTROL SMART
93