SICK LFP inox Betriebsanleitung Seite 91

LFP Inox
Error message
Level value fluctuates on the
display
Level occasionally jumps to a
higher value
Level occasionally jumps to 0 mm TrsHld set too high
No measurement of low levels for
media with low DKs
Increased measurement inaccu-
racy
8014485/YE12/2014-08-20 © SICK AG • Level sensors • Germany • Subject to change without notice
7 Troubleshooting
Cause
Medium surface unsettled
Contamination in the vicinity of
the process connection
Spray ball or feed dampen probe
with medium above the medium
surface
Change in the ambient conditions
regarding the situation during the
AutCal process
Significant buildup of foam
TrsHld set too low, the echo
algorithm detects interference
reflections
Significant buildup of foam
Increased inactive range at the
probe end for media with a low
DK
Use of foam algorithm
Operating instructions
Solution
Activating filtering
(see Chapter 2.1 "Quick commis-
sioning")
Clean
Observe the installation condi-
tions
Configure the MaxCoL plausibility
filter
(see Chapter 5.1 "Filtering the
measured values")
Perform commissioning again
(see Chapter 2 "Commissioning
the LFP")
Perform foam commissioning
(see Chapter 2.3 "Foam commis-
sioning")
Increase TrsHld
Perform advanced commissioning
(see Chapter 2 "Commissioning
the LFP")
Perform foam commissioning
EN
91