02/2019 - MA OPTIWAVE-M 7400 C R01 en
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OPTIWAVE-M 7400 C
OPERATION
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4.5 Status messages and diagnostic data
Device status and error messages are shown on a device status page in Normal mode and in menu item
"C7.3.1 Messages View" in Program mode. Messages shown agree with NAMUR Guidelines 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 status signals that can be changed. The
status groups are also divided into 4 groups: Sensor, Electronics, Configuration and Process.
Each status message (or status signal) has a special symbol which agrees with the NAMUR Guidelines. This
symbol is shown with the message.
INFORMATION!
The status group name and the status signal (F/S/M/C) are shown. For more data, refer to the table that
follows.
Status messages (NAMUR NE 107)
Symbol
Letter
Message
Description and effect
F
Failure
No measurement is possible.
S
Out of specification
Measurements are available but they are
not sufficiently accurate. Do a check.
M
Maintenance required
Measurements continue to be accurate but this
could change after a short time.
C
Function check
A test function is on. The value shown does not
agree with the correct measured value.
I
Information
This status message does not have an effect on
device measurements.
Normal mode: device status symbol
If the device status changes, the device shows a status symbol in the top left corner of the display screen in
Normal mode:
Figure 4-8: Device status: Normal mode
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Device status symbol (NAMUR NE 107)
