Endress+Hauser Proline Prowirl 72 - Troubleshooting; 9.1 Troubleshooting instructions

9 Troubleshooting Proline Prowirl 72 FOUNDATION Fieldbus
46 Endress + Hauser
9Troubleshooting
9. 1 Troubleshooting instructions
Always start troubleshooting with the checklists below if faults occur after startup or during
operation. This takes you directly (via various queries) to the cause of the problem and the
appropriate remedial measures.
"
Caution!
In the event of a serious fault, a flowmeter might have to be returned to the manufacturer for repair.
In such cases, the procedures on Page 6 must be carried out before you return the measuring device
to Endress+Hauser.
Always enclose a fully completed "Declaration of Contamination" form with the device. A copy of
the form can be found at the end of these Operating Instructions.
Check display (local display)
No display visible - No
connection to the
FOUNDATION Fieldbus host
system.
1. Check supply voltage Terminal 1, 2
2. Electronics defective  Order spare part  Page 56
No display visible - However,
connection has been established
to the FOUNDATION Fieldbus
host system.
1. Check whether the ribbon-cable connector of the display module is correctly
plugged into the amplifier board Page 57
2. Display module defective Order spare part Page 56
3. Electronics defective  Order spare part Page 56
▼
Error messages on display
Errors which occur during commissioning or measuring operation are displayed immediately.
Error messages consist of a variety of icons. The meanings of these icons are as follows (example):
– Type of error: S = System error, P = Process error
– Error message type:
$ = fault message, ! = notice message
– DSC SENS LIMIT = error designation (device being operated near application limits)
– 03:00:05 = duration of error occurrence (in hours / minutes /seconds)
– #395 = error number
" Caution!
Please refer also to the information on Page 32 ff.!
Error message present System and process error messagesPage 49
▼
Faulty connection to the fieldbus host system
No connection can be made between the fieldbus host system and the device.
Check the following points:
Fieldbus connection Check data lines
Fieldbus connector (optional) – Check pin assignment / wiringPage 24 ff.
– Check connection between connector / fieldbus port.
Is the coupling ring tightened correctly?


Continued on next page