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7.3.1
Incorrect level readings
Table 7-6: Incorrect Level Readings
Symptom
Possible causes
Recommended actions
Reported level is too high or low.
Level
Time
Incorrect tank geometry
configuration.
•
Verify the tank geometry parameters
are configured correctly (especially the
Reference Height).
•
Run Verify Level to adjust level
measurement, see
•
Analyze the echo curve and check
amplitude thresholds, see
.
•
Restore default settings and
reconfigure the device.
Level is stuck in measuring range.
Level
Time
Incorrect alignment of the
transmitter.
•
Verify the transmitter head is correctly
aligned, see
Disturbing objects in the
tank.
•
Use the suppress false echoes function
to manage strong disturbance echoes,
see
.
•
Analyze the echo curve and check
amplitude thresholds, see
.
•
Remove the disturbing object.
•
Change alignment of transmitter head
in steps of about 15 degrees, see
check if impact of disturbing echoes is
decreased using the echo curve.
•
Put an inclined metal plate on top of
the disturbing object.
•
Move the transmitter to another
position. Refer to
for installation
considerations.
Service and troubleshooting
Reference Manual
February 2020
00809-0100-4408
108
Reference Manual
Содержание Rosemount 5408
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