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9 Diagnostics and service
MINITRAC 31 • 4 … 20 mA/HART - four-wire
40447-EN-130430
9 Diagnostics and service
9.1 Maintenance
If the device is used correctly, no maintenance is required in normal
operation.
The corresponding source container must be checked in regular
intervals. You can find further information in the operating instructions
manual of the source container.
9.2 Status messages
The instrument features self-monitoring and diagnostics according
to NE 107 and VDI/VDE 2650. In addition to the status messages in
the following tables there are more detailed error messages available
under the menu item "
Diagnostics
" via the display and adjustment
module, PACTware/DTM and EDD.
The status messages are divided into the following categories:
•
Failure
•
Function check
•
Out of specification
•
Maintenance requirement
and explained by pictographs:
4
1
2
3
Fig. 24: Pictographs of the status messages
1 Failure - red
2 Out of specification - yellow
3 Function check - orange
4 Maintenance - blue
Failure:
Due to a malfunction in the instrument, a failure message is
outputted.
This status message is always active. It cannot be deactivated by the
user.
Function check:
The instrument is in operation, the measured value
is temporarily invalid (for example during simulation).
This status message is inactive by default. It can be activated by the
user via PACTware/DTM or EDD.
Out of specification:
The measured value is unstable because the
instrument specification is exceeded (e.g. electronics temperature).
This status message is inactive by default. It can be activated by the
user via PACTware/DTM or EDD.
Maintenance:
Due to external influences, the instrument function
is limited. The measurement is affected, but the measured value is
Status messages
