8
Troubleshooting
8.1
Process value error
With error messages in line with the NAMUR classification NE 107, process value errors are supple-
mented by symbols and a two-line message (alternating with the process display).
Error message
<<<<<
>>>>>
-----
Possible cause
The measuring range was undershot.
The measuring range was exceeded.
No valid input value
Incorrect mathematical value
8 Troubleshooting
Remedy
Operate the device within the
device specification.
17