Endress+Hauser Proline Prosonic Flow B 200 - Page 106

Diagnostics and troubleshooting Proline Prosonic Flow B 200 HART
106 Endress+Hauser
For access
Problem Possible causes Remedial action
No write access to parameters Hardware write protection enabled Set the write protection switch on
the main electronics module to the
OFF position .
No write access to parameters Current user role has limited access
authorization
1. Check user role →  46.
2. Enter correct customer-specific
access code →  46.
No connection via HART protocol Missing or incorrectly installed
communication resistor.
Install the communication resistor
(250 Ω) correctly. Observe the
maximum load →  26.
No connection via HART protocol Commubox
• Connected incorrectly
• Configured incorrectly
• Drivers not installed correctly
• USB interface on computer
configured incorrectly
Observe the documentation for the
Commubox.

FXA195 HART: Document
"Technical Information"
TI00404F
No connection via service interface Incorrect configuration of USB
interface on PC or driver not
installed correctly.
Observe the documentation for the
Commubox.

FXA291: Document
"Technical Information"
TI00405C