Operation; Troubleshooting - KROHNE AF-E 400 Mode D'emploi

9 Operation

The process values to be displayed permanently can be preset. A standard
unit of measurement can be defined for the volumetric flow measurement and
temperature measurement.
As an option for the preset standard display, the display can be changed by
pressing the button [▲] or [▼].

10 Troubleshooting

The unit has many self-diagnostic options. It monitors itself automatically during
operation.
Warnings and error states are displayed even if the display is switched off. Error
indications are also available via IO-Link.
The status signals are classified according to NAMUR recommendation NE107.
If several diagnostic events occur simultaneously, only the diagnostic message of
the event with the highest priority is displayed.
If a process value fails, the other process values are still available.
Additional diagnostic functions are available via IO-Link → IODD interface
description at www.krohne.com.
ERROR ERROR
Off Off
--- ---
--- ---
--- Unit faulty / malfunc-
tion
--- Supply voltage too low
--- Device temperature
too high, display off
--- Device temperature
too high, display
brightness reduced
FOU Replace device.
off Check supply volt-
age. Change setting
[diS.B]
OU Check device tem-
perature.
OU Check device tem-
perature.
UK
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