KAESER KOMPRESSOREN SX, Руководство по обслуживанию, Страница: 58 / 122

9.4 Other Faults
Fault Possible cause Remedy
Machine runs but produces no
compressed air.
Inlet valve not opening or only
opening partially.
Call KAESER service represen‐
tative.
Venting valve not closing. Call KAESER service represen‐
tative.
Leaks in the pressure system. Check pipework and connec‐
tions for leaks and tighten any
loose fittings.
Air consumption is greater than
the capacity of the compressor.
Check the air system for leaks.
Shut down the consumer(s).
Hose coupling or maintenance
hose still plugged into the quick-
release coupling on the oil sep‐
arator tank.
Remove coupling or mainte‐
nance hose.
Cooling oil runs out of the air fil‐
ter.
Oil level in the oil separator tank
too high.
Drain off oil until the correct level
is reached.
Inlet valve defective. Call KAESER service represen‐
tative.
Compressor switches between
LOAD and IDLE more than twice
per minute.
Air receiver too small. Increase size of air receiver.
Airflow into the compressed air
network restricted.
Increase air pipe diameters.
Check filter elements.
The differential between cut-in
and cut-out pressure too is
small.
Check switching differential.
Cooling oil leaking into the floor
pan.
Hose coupling or maintenance
hose still plugged into the quick-
release coupling on the oil sep‐
arator tank.
Remove coupling or mainte‐
nance hose.
Oil cooler leaking. Call KAESER service represen‐
tative.
Leaking joints. Tighten joints.
Replace seals.
Cooling oil consumption too
high.
Unsuitable oil is being used. Use SIGMA FLUID cooling oil.
Oil separator cartridge split. Change the oil separator car‐
tridge.
Oil level in the oil separator tank
too high.
Drain off oil until the correct level
is reached.
Oil return line clogged. Check dirt trap in the return line.
Tab. 41 Other faults and actions
9 Fault Recognition and Rectification
9.4 Other Faults
48
Service Manual Screw Compressor
SX SIGMA CONTROL BASIC
9_6919 04 E