Motor Running Backwards; Analysing Compressor Faults And Alarms; Working Pressure Too High; Working Pressure Too Low - KAESER M 64 Operator's Manual

9.2.4
Tab. 74
9.3
9.3.1
Tab. 75
9.3.2
No.: 9_5898 26 E
9 Fault Recognition and Rectification
9.3

Analysing compressor faults and alarms

Motor running backwards

Possible cause
Engine backfiring
–
SW = specialised workshop; KS = KAESER SERVICE
"Motor running backwards" fault
Analysing compressor faults and alarms

Working pressure too high

Possible cause
Proportional controller maladjus‐
ted or defective.
Inlet valve does not close.
Pressure gauge indicating false
pressure.
Venting valve does not blow off. Check the connections and
SW = specialised workshop; KS = KAESER SERVICE
Fault: working pressure too high

Working pressure too low.

Possible cause
Proportional controller maladjus‐
ted or defective.
Inlet valve not opening or only
opening partially.
Pressure gauge indicating false
pressure.
Pressure relief valve maladjus‐
ted and/or leaking.
SW = specialised workshop; KS = KAESER SERVICE
Operator manual Portable compressor
M 64
Remedy
Immediately shut down the en‐
gine, check air filter and rubber
intake pipe (see chapter 8.3). If
necessary, have damaged com‐
ponents replaced.
–
Remedy
Have repaired or replaced if
necessary.
Check the controller, the control
air line and the inlet valve and
replace if necessary.
Have repaired or replaced if
necessary.
function and have repaired or
replaced as necessary.
Remedy
Have repaired or replaced if
necessary.
Repair or have replaced if nec‐
essary.
Have repaired or replaced if
necessary.
Have repaired or replaced if
necessary.
Where can I get help?
SW KS
X X
Where can I get help?
SW KS
– X
– X
– X
– X
Where can I get help?
SW KS
– X
– X
– X
– X
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