OPERATION OF INDICATOR M10
6
35
BW25
www.krohne.com
10/2008 • 4000432301 MA BW25 R01 en
NO F.SC. CAL
OF AO
The analog
output 100% =
20.00 mA is not
calibrated. =
Possible
measurement
error in the
process control
system
Warning
Perform calibration using ammeter and menu item
3.11 or using standard HART
™
tools/process control
equipment and poss. external ammeter. Caution:
during the calibration, switch the measuring point to
manual control
NO TEMP.
COMPENSATIO
N
The sensor
temperature
compensation
of the device is
faulty or was
not carried out.
= Possible
measuring
error
Error
The device, together with an indication of the error,
must be sent back to KROHNE for checking.
OUTPUT NOT
LINEARIZED
Linearization is
not activated =
measuring
error
Error
Activate linearization or carry it out again (HART
™
communication and linearization software are
required; the original calibration values must be
known), or send the device back to KROHNE for
linearization.
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 KROHNE 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 KROHNE 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
analog output
is set to a fixed
value of 4.5
mA.
Information
The HART
™
multidrop mode is activated with selection
of a polling address not equal to 0 using menu item 3.9.
The polling address 0 reactivates the analog output.
CRYSTAL OSC
FAULT
Internal error
in device
Error
The device must be sent back to KROHNE with an
indication of the error.
REF VOLTAGE
FAULT
Internal error
in device
Error
The device must be sent back to KROHNE with an
indication of the error.
SENSOR A
FAULT
Internal error
in device
Error
The device must be sent back to KROHNE with an
indication of the error.
SENSOR B
FAULT
Internal error
in device
Error
The device must be sent back to KROHNE with an
indication of the error.
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 KROHNE with an indication of the
error.
Error Message
Description
Category
Remedy
MA_BW25_R01_en_PRT.book Page 35 Thursday, October 30, 2008 3:49 PM