KAESER M27, Operator'S Manual

Page: 108 / 294

Possible cause Remedy Where can I get help?
Specialized
workshop
KAESER
Service
The engine runs at maximum
speed (LOAD).
See chapter 9.2. X X
Engine air filter and/or compres‐
sor air filter clogged.
Clean or change, see chap‐
ters 10.3.2 and 10.4.7.
– –
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‐
ter 10.5.
– –
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,
see chapter 10.4.6.
– 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