ABB TTF200, Operating Instruction, Page: 29 / 36

TTF200 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF200-EN REV. A 29
8.2.1 Error messages on the LCD display
If the event of an error, a message consisting of a symbol or letter (device status) and a number (DIAG NO.) will appear at the bottom of the process display.
Process display
Application F72
The diagnostic messages are divided into the following
groups in accordance with the NAMUR classification
scheme:
Symbol -
Letter Description
I OK or
Information
Device is functioning or
information is available
C Check Function Device is undergoing
maintenance (e. g. simulation)
S Off
Specification
Device or measuring point is
being operated outside of the
specifications
M Maintenance
Required
Request service to prevent the
measuring point from failing
F Failure Error; measuring point has failed
Additionally, the diagnostic messages are divided into the
following areas:
Range
Description
Electronics Diagnosis for device hardware.
Sensor Diagnosis for sensor elements and
connection lines.
Installation /
Configuration Diagnosis for communication interface and
parameterization / configuration.
Operating
conditions Diagnosis for ambient and process
conditions.
NOTICE
For a detailed description of the errors and information on
troubleshooting, see chapter ‘Possible HART error
messages’ on page 30 .
9 Diagnosis / error messages
The transmitter signals messages and errors in different
ways.
Messages via the HART interface
The transmitter signals changed configuration or parameter
setting by setting the HART flag "Configuration-changed"
(Configuration-changed).
The message can be acknowledged via the HART-DTM.
Error message on the LCD display
In the event of an error, a message appears at the bottom of
the process display,
consisting of a symbol or letters
(Device Status) and a number (DIAG.NO.).
See chapter ‘Error messages on the LCD display’ on page 29
.
Error message on the current output
Sensor or device errors can be indicated by underranging or
overranging of the current output.
Configuration takes place via the DTM parameter "<Current
output / output upon error>".
Change from two to one column