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NivoGuide® 8100 • Two-wire 4 … 20 mA/HART
7 Diagnostics and servicing
58878-EN-190215
7 Diagnostics and servicing
7.1 Maintenance
If the device is used properly, no special maintenance is required in
normal operation.
The cleaning helps that the type label and markings on the instrument
are visible.
Take note of the following:
•
Use only cleaning agents which do not corrode the housings, type
label and seals
•
Use only cleaning methods corresponding to the housing protec-
tion rating
7.2 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.
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. 18: 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 fault message is
output.
This status message is always active. It cannot be deactivated by the
user.
Function check:
The instrument is being worked on, the measured
value is temporarily invalid (for example during simulation).
This status message is inactive by default.
Out of specification:
The measured value is unreliable because an
instrument specification was exceeded (e.g. electronics temperature).
Maintenance
Cleaning
Status messages
Summary of Contents for NivoGuide 8100
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