Diagnostic Events - Endress+Hauser Liquiphant FTL33 IO-Link Operating Instructions Manual

Diagnostics and troubleshooting
12.3

Diagnostic events

12.3.1 Diagnostic message
Faults that are detected by the device' s self-monitoring system are displayed as a diagnostic
message via IO-Link.
Status signals
The table lists the messages that may occur. The Actual Diagnostic (STA) parameter displays
the message with the highest priority. The device has four different status information codes
according to NE107:
"Failure"
A device error has occurred. The measured value is no longer valid.
A0013956
"Maintenance required"
Maintenance is required. The measured value is still valid.
A0013957
"Function check"
The device is in the service mode (e. g. during a simulation).
A0013959
"Out of specification"
The device is being operated:
• Outside its technical specifications (e. g. during warmup or cleaning process)
A0013958
• Outside the parameter configuration undertaken by the user (e. g. level outside of configured span)
Diagnostics event and event text
The fault can be identified by means of the diagnostic event.
Example
If two or more diagnostics events are pending simultaneously, only the message with the
highest priority is shown.
The last diagnostic message is displayed - see Last Diagnostic (LST) in the Diagnosis
submenu.
36
Diagnostic event
Status signal
↓
A0013959
Liquiphant FTL33 IO-Link
Event number
↓
469
Endress+Hauser