Diagnosing and troubleshooting
9.3 Device status icons
SITRANS F Ultrasonic flowmeters FST030 (HART)
88 Operating Instructions, 08/2017, A5E35971532-AC
Sound velocity (600 ≤ c
Medium
≤ 2000) [m/s]
Upper range for flow value
Time of flight up (TOF up)
Time of flight down (TOF down)
Messages are shown in the display.
● In the operation view the alarms are shown as a combination of symbol and text in the
lower line of the display. If several diagnostic messages are active at the same time, the
most critical is shown.
● In the alarm list view all active alarms are shown as a list. The alarm list combines a
symbol, text and an alarm ID number. The alarms are arranged according to the alarm ID
numbers. The alarm list view can also be accessed via
.
● In the alarm history view the most recent alarms (up to 100) are listed. The alarm history
log can be viewed in
. The alarm history log can be reset in
.
Characteristics of messages
The device provides two types of alarm formats, Siemens standard alarm classes and
NAMUR status signals, selected in
.
The following tables summarize the two types of alarm formats in an overview.
The sequence of the symbols corresponds to the priority of the messages, beginning with
the most critical.