KROHNE H250 M8-M9-M10 EN - Manual (Page 48)

6
OPERATION
48
H250
www.krohne.com 04/2011 - 4000269302 MA H250-R02 en
Device drivers for HART ® tools, process control equipment (e.g. Siemens PDM or AMS)
PACTware TM and HART ® DTMs are available on the internet site.
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®- multidrop mode is activated by
selecting a polling address not equal to 0
using menu item 3.9. A polling address of 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
Internal error in
device
SENSOR A FAULT Internal error in
device
SENSOR B
FAULT
Internal error in
device
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_H250_R02_en_269302_PRT.book Page 48 Tuesday, April 12, 2011 10:17 AM