Siemens SITRANS F FST030 - Page 91

Diagnosing and troubleshooting
9.3 Device status icons
SITRANS F Ultrasonic flowmeters FST030 (HART)
Operating Instructions, 08/2017, A5E35971532-AC
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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