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190
Reference Manual
00809-0100-4530, Rev DD
May 2016
7.22.5
Interface status
Interface status messages that may appear on the Integral Display, on the Field
Communicator, in DeltaV, or in RRM are shown in
Table 7-8. Interface Status
Message
Description
Action
Interface not OK
The interface measurement is not OK.
Check other interface status messages for
reason.
Interface not found
No interface available
Interface threshold to high
No action needed.
Adjust Interface threshold, see
Can't measure interface on
horizontal probe
Interface cannot be measured when the probe
is horizontally mounted.
Change the probe mounting or turn off
interface measurement by changing the
measurement mode.
Can't handle max possible
interface thickness
With the current configuration, the maximum
measurement range is too short to guarantee
that the interface echo can always be found.
Accept the limitation or change the tank
environment and device configuration.
Interface thickness close to
max range
The interface is close to the limit where it will
be lost due to the limited maximum
measurement range.
No action needed but the interface echo
may be lost if the upper product thickness
increases.
Interface set to max
thickness
No interface echo found. The upper product
thickness is set the maximum value of the
current level measurement.
No action needed.
Interface thickness greater
than probe length
The interface was found below the probe end. The Upper Product Dielectric Constant is
probably incorrect.