KAESER M43 - Pressure Relief Valve Blowing off; Machine Overheating; Tab. 51 Fault: Pressure Relief Valve Blowing off; Tab. 52 Fault: Machine Overheating

9.3.3 Pressure relief valve blowing off
Possible cause Remedy Where can I get help?
Specialised
workshop
KAESER Ser‐
vice
Oil separator cartridge heavily
clogged.
Change, see chapter 10.4.5. – –
Inlet valve not closing. 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
Tab. 51 Fault: pressure relief valve blowing off
9.3.4 Machine overheating
Possible cause Remedy Where can I get help?
Specialised
workshop
KAESER Ser‐
vice
Defective cooling fan. Have the blades or the complete
fan wheel replaced.
– X
Oil cooler clogged. Clean surface, see chap‐
ter 10.4.8.
– –
Defective working element in the
combination valve.
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 bar (see chap‐
ter 10.4.5).
– X
Compressor oil filter clogged. Change, see chapter 10.4.4. – –
Compressor oil level too low. Top up (see chapter 10.4.2). – –
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.
– –
Tab. 52 Fault: machine overheating
9 Fault Recognition and Rectification
9.3 Compressor faults and alarms
No.: 9_9432 02 E
Service Manual Screw Compressor
M43
65
RAMIRENT