Subject to change · V 0.1 · 02.2020 · EN
Page 27
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Problem / fault
Possible cause
Elimination
Cleanliness classes displayed on the
OPCom do not change during
cleaning or become poorer during
cleaning
›
Max. dirt capacity of the filter
element is reached
Replace filter element
›
Leakage at the suction hose,
falsification of the measurement
results by free air in the oil (air
bubbles)
Check the suction connection, if necessary,
tighten the hose clips / check the oil for
foaming or air bubbles and eliminate the
cause. If the cause cannot be eliminated,
take the oil sample and have it evaluated in
the laboratory. Vent the filter unit
›
Switching valve on position
"Pumping"
No particle counting is possible with the lever
position "Pumping"
Displayed cleanliness
classes are not
plausible (e.g. 0/0/0)
›
Viscosity range below or exceeded.
Particle counter is supplied with too
little or too much oil
Adjust the fluid temperature (also see
operating conditions)
›
Switching valve on position
"Pumping"
›
Screen filters clogged
No particle counting is possible with the lever
position "Pumping"
Clean screen filters
Table 8: Fault table
