Siemens SITRANS FC330 - Page 170

Characteristics of messages
The device provides two types of alarm formats, Siemens standard alarm classes and NAMUR
status signals, selected in Status icons.
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.
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
Diagnostics and troubleshooting
10.1 Device status symbols
SITRANS FC330
170 Operating Instructions, 01/2019, A5E44030648-AB