Baker Hughes Masoneilan 12400 Series, Instruction Manual & Safety Manual

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® 2017 Baker Hughes, a GE company. All rights reserved. Masoneilan 12400 Series Transmitter/Controller Instruction Manual | 57
Message on LCD /
ValVue (English)
Description
Device Action
(Warning message only or
Failsafe position)
Probable Cause Recommended Action
T EMPERATURE
SENS O R OF MAIN
BOARD
Compensated temperature reading of
sensor circuit board was outside the -55 °C
(-67 °F) to +125 °C (+257 °F) for five reads in
a row Failsafe position:
- Fail Low or High, user adjustable
- Fail Low only for a SIL device
Environment.
Ambient temperature exceeded
operating temperature range. Take any action to ensure
temperature does not exceed
normal temperature range.
Return the unit if it fails.
T EMPERATURE
SENS O R OF
SENSOR BOARD
Compensated temperature reading of
sensor circuit board was outside the -55 °C
(-67 °F) to +125 °C (+257 °F) for five reads in
a row Failsafe position:
- Fail Low or High, user adjustable
- Fail Low only for a SIL device
Environment.
Ambient temperature exceeded
operating temperature range. Take any action to ensure
temperature does not exceed
normal temperature range.
Return the unit if it fails.
NVM CHECKSUM
S ENSOR R EA D
Non Volatile Memory checksum error of
main circuit board Failsafe position Permanent corruption of the
content in non-volatile memory
occurred Remove power to the device
for two minutes and restart
the device.
If the failure persists, replace
the device.
NVM M ODULE
WR ITE
Non Volatile Memory checksum error of
sensor circuit board Failsafe position Permanent corruption of the
content in non-volatile memory
occurred Remove power to the device
for two minutes and restart
the device.
If the failure persists, replace
the device.
NVM S ENSOR
WR ITE
Non Volatile Memory error of main circuit
board module if write to FRAM failed or if
data repairing in FRAM failed Warning message A problem occurred when
attempting to write to the non-
volatile memory Clear the condition using
ValVue software or HART
host.
If the failure persists, replace
the device.
NVM M ODULE
T E ST
Non Volatile Memory error of sensor circuit
board if write to FRAM failed or if data
repairing in FRAM failed Warning message A problem occurred when
attempting to write to the non-
volatile memory Clear the condition using
ValVue software or HART
host.
If the failure persists, replace
the device.
NVM S ENSOR T E ST Non Volatile Memory error of main circuit
board module if both an FRAM record and
its copy have CRC errors Warning message A problem occurred when
testing the non-volatile
memory Clear the condition using
ValVue software or HART
host
RAM CHECKSUM
ERR OR
RAM checksum error Warning message A corruption of the content in
non-volatile memory occurred
FLASH CHECKSUM
ERR OR
Flash checksum error Failsafe position The firmware checksum was
invalid due to data corruption Remove power to the device
for 2 minutes and restart the
device.
If the failure persists, replace
the device.
RT OS SCHEDULING
ERR OR
A RTOS task overran itself Warning message The micro-controller failed an
operation
STACK ERR OR Stack error.
A valid hidden record (in RAM) existing
upon reset indicating that a stack overflow
has occurred, as detected by the task
switching code. Warning message A problem with the memory
stack occurred Clear the condition using
ValVue software or HART
host
F A CT O RY WR I TE Raw write to FRAM Failsafe position Raw write to FRAM.
Technical fault to indicate a
factory-only operation.
WATCHDOG TIMEOUT Device recovered after reset Warning message Device recovered after reset Clear the condition using
ValVue software or HART
host
IRQ FAULT Valid hidden record (in FRAM) existing upon
reset that indicates that an illegal
interrupt occurred Warning message An illegal circuit board interrupt
occurred Clear the condition using
ValVue software or HART
host.
If the failure persists, replace
the device.
T IMEOUT FLASH TEST Time to complete the whole flashing
process is over Warning message This message appears if a
round of flash test is not
completed in 2 hours Clear the condition using
ValVue software or HART
host.
If the failure persists, replace
the device.