Possible cause
Remedy
Where can I get help?
Specialized
workshop
KAESER
Service
The engine runs at maximum
speed (LOAD).
X
X
Engine air filter and/or compres‐
sor air filter clogged.
Clean or change, see chap‐
–
–
Oil separator cartridge heavily
clogged.
Change, see chapter 10.4.6.
–
–
Tab. 72 Alarm: Working pressure too low
9.3.3 Safety relief valve blowing off
Possible cause
Remedy
Where can I get help?
Specialized
workshop
KAESER
Service
Oil separator cartridge heavily
clogged.
Change, see chapter 10.4.6.
–
–
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. 73 Alarm: Safety relief valve blowing off
9.3.4 Machine overheating
Possible cause
Remedy
Where can I get help?
Specialized
workshop
KAESER
Service
Defective cooling fan.
Have the blades or the complete
fan wheel replaced.
–
X
Oil cooler clogged.
Clean surface, see chap‐
–
–
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 14.5 psig. Change,
–
X
Compressor oil filter clogged.
Change, see chapter 10.4.4.
–
–
Compressor cooling oil level too
low.
Topping up, see chapter 10.4.2.
–
–
9
Fault Recognition and Rectification
9.3
Compressor faults and alarms
98
Operator Manual Screw Compressor
M27
No.: 9_9548 05 USE
Содержание M27
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