Diagnosing and troubleshooting
9.3 Device status icons
SITRANS F Ultrasonic flowmeters FST030 (HART)
Operating Instructions, 08/2017, A5E35971532-AC
89
Siemens standard alarm classes
Icon
Priority
level
Name
Description
1
Maintenance failure
•
Maintenance alarm: maintenance demanded immediately
•
Measurement values are not valid
5
Maintenance warning
•
Maintenance warning
•
Measured signal still valid
6
Maintenance required
•
Maintenance required
•
Measured signal still valid
3
Process value alarm
•
Process value has reached an alarm limit
4
Process value warning
•
Process value has reached a warning limit
2
Function check
•
Change of configuration, local operation, or substitute value entered
•
Output signals are temporarily invalid
NAMUR status signals
Icon
Priority
level
Name
Description
1
Failure
•
Failure
•
Invalid output signal
3
Out of specification
•
Out of specification
•
Device will still work, but output signals may be invalid
4
Maintenance required
•
Maintenance request
•
Measured signal still valid
2
Function check
•
Function check
•
Output signal temporarily invalid