6
OPERATION
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OPTISWIRL 4200
www.krohne.com
02/2022 - 4003930810 - MA OPTISWIRL4200 R10 en
6.9 Status messages and diagnostic information
The diagnostic messages are displayed in accordance with NAMUR standard NE 107. The error
messages for the device are divided into status groups, each with one status signal. There are 16
status groups with fixed status signals and 8 groups with variable status signals. To facilitate
identification of the problem source, the status groups are then divided into: Sensor, Electronics,
Configuration and Process.
Each status message (= status signal) has a specific symbol, determined by NAMUR, which is
displayed with the message. The length of each message is limited to one line.
INFORMATION!
As a status message, always the event group name and the the status signal (F/S/M/C) are
displayed.
Symbol
Letter
Status signal
Description and consequence
F
Failure
No measurement possible.
S
Out of specification
Measurements are available but are no
longer sufficiently accurate and should be
checked.
M
Maintenance required
Measurements are still accurate but this
could soon change.
C
Function check
A test function is active. The displayed or
transferred measured value does not
correspond to the actual measured value.
I
Information
No direct influence on the measurements.
Table 6-39: Symbols for status messages
INFORMATION!
Some of the following elimination measures require a hard reset. In case a hard reset is
performed please wait for approx. 10 seconds before powering the device again.
