Proline Prosonic Flow 91 Commissioning
Endress+Hauser 39
6 Commissioning
6.1 Function check
Make sure that all final checks have been completed before you commission your measuring point:
• "Post-installation check" checklist → ä 21
• "Post-connection check" checklist → ä 27
6.2 Switching on the measuring device
Once the post-connection checks have been successfully completed, it is time to switch on the
supply voltage. The device is ready for operation! The measuring device performs a number of self-
tests after power-on. As this procedure progresses the following sequence of messages appears on
the local display:
Normal measuring mode commences as soon as startup completes. Various measured value and/or
status variables appear on the display (HOME position).
!
Note!
If startup fails, an error message indicating the cause is displayed.
PROSONIC FLOW 91
STARTING. . .
→ Startup message
DEVICE SOFTWARE
V X.XX.XX
→ Current software is displayed (example)
SYSTEM OK
→ OPERATION
→ Beginning of standard measuring mode