KROHNE BW 25 EN - Manual (Page 33)

OPERATION
6
33
BW25
www.krohne.com 09/2010 - 4000432302 MA BW25 R05 en
DDs ("driver") for HART ® Tools, process control (e.g. Siemens PDM or AMS) PACTware™ and
HART ® DTMs are available at the KROHNE Download Center.
FRAM WRITE
FAULT
Internal
communication error
Error Check whether the display is plugged in
correctly and restart the device. If the error
occurs again: send the device back to the
manufacturer with an indication of the error.
ROM/FLASH
ERROR
Memory error
detected during self-
test.
Error Restart the device. If the error occurs again:
send the device back to the manufacturer with
an indication of the error.
RESTART OF
DEVICE
A device restart has
taken place
Information The device has been restarted using menu
item 1.5.2 since the last time the error
messages were reset.
MULTIDROP
MODE
The HART® multidrop
mode is activated.
The current output is
set to a fixed value of
4.5 mA.
Information The HART ® multi-drop mode is activated by
selecting a polling address not equal to 0
using menu item 3.9. Polling address 0
reactivates the current output.
CRYSTAL OSC
FAULT
Internal error in
device
Error The device must be sent back to the
manufacturer with an indication of the error.
REF VOLTAGE
FAULT
SENSOR A FAULT
SENSOR B
FAULT
MEMORY
CORRUPTION
Internal memory
error, caused by a
hardware or software
problem
Error Restart the device; if the error occurs again
the device must be sent back to the
manufacturer with an indication of the error.
AO FIXED The current output is
set to a fixed value.
Information The current output is fixed and does not
reflect the measured value. This is the case in
multidrop mode, with current output
test/calibration using the menu or HART
®
AO SATURATED Current output
saturated
Information The current output is saturated at 20.4 or 22.0
mA (depending on whether the alarm current
is activated or deactivated in menu item 3.12),
and is no longer coupled with the measured
value.
Error message Description Category Remedy
MA_BW25_R05_en_432302_PRT.book Page 33 Tuesday, September 28, 2010 8:17 AM