KAESER KOMPRESSOREN MOBILAIR M58utility, Operator'S Manual

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9.4.3 Pressure relief valve blowing off
Possible cause Remedy Where can I get help?
SW
KS
Oil separator cartridge heavily
clogged.
Change, see chapter 10.6.6. – –
Inlet valve does not close. Check the controller, the control
air line and the inlet valve and
replace if necessary.
– X
Pressure relief valve maladjus‐
ted and/or leaking.
Adjust or have replaced if nec‐
essary.
– X
SW = specialised workshop; KS = KAESER SERVICE
Tab. 64 Fault: pressure relief valve blowing off
9.4.4 Machine overheating
Possible cause Remedy Where can I get help?
SW
KS
Defective cooling fan. Have the blades or the complete
fan wheel replaced.
– X
Oil cooler surface clogged. Clean surface, see chap‐
ter 10.7.
– –
The working element of the ther‐
mostatic valve not workingl.
Have repaired or replaced if
necessary.
– X
Working pressure too high (pro‐
portional controller maladjus‐
ted).
Reset to the permissible value
or have replaced.
– X
Oil separator cartridge heavily
clogged.
Measure the pressure differen‐
tial and change the cartridge if
greater than 1 psi. Change, see
chapter 10.6.6.
– X
Compressor oil filter cartridge
clogged.
Change, see chapter 10.6.4. – –
Compressor cooling oil level too
low.
Replenish, see chapter 10.6.2. – –
Oil pipes leaking. Seal leaks or have pipes
changed.
X X
Engine cooling system or cool‐
ing fan defective.
Have repaired. X X
Ambient temperature too high. See installation conditions in
chapter 5.2.
– –
SW = specialised workshop; KS = KAESER SERVICE
Tab. 65 Fault: machine overheating
9 Fault Recognition and Rectification
9.4 Analysing compressor faults and alarms
94
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M58utility SIGMA CONTROL SMART
No.: 901779 08 USE