Honeywell SMV800 - Page 128

Page 116 SMV800 Modbus User's Guide Revision 1.0
Details of
Critical
Fault
116
Bit - 10
temp_suspect
_input
The fault is set for the
following conditions.
• If the measured CJ value
is below -50 degC or
above 90 degC
• If the internal ADC
Bit - 11
temp_char_tbl
_crc_fault
Temperature module is
reporting corruption in the
temperature
Characterization data
Power cycle the device. If
the problem persists,
replace the Terminal
Board.
Bit - 12
temp_nvm_fault
Temperature module is
reporting corruption
of the Non-Volatile Memory
data (NVM)
Power cycle the device and
if fault is cleared ensure to
configure sensor
parameters. If the problem
persists, replace the
Terminal Board.
Bit - 13
temp_ram_fault
Temperature module is
reporting corruption in
the Random-Access
Memory (RAM)
Power cycle the device. If
the problem persists,
replace the Terminal
Board.
Bit - 14
temp_flash_crc_
fault
Temperature module is
reporting corruption in
sensor firmware
Power cycle the device. If
the problem persists,
replace the Terminal
Board.
Bit - 15
temp_flow
_control_fault
Temperature module
firmware Program Flow
Failure. This fault will get
set if any of the critical part
of the code is not executed
after expected duration.
Power cycle the device. If
the problem persists,
replace the Terminal
Board.
Device
Variables
Status
117
Bit - 0
bad_DP
The Differential Pressure
input measurement
is far outside the specified
range. The meter
body may be damaged.
The status is set if any of
the critical faults is set.
Refer register 116 status
bits for more details and
resolution. Verify that all
inputs are within
specifications.
Bit -1
bad_MBT
The Meterbody
Temperature measurement
is far outside the specified
range. The meter
body may be damaged.
The status is set if any of
the critical faults is set.
Reset the device. If the
problem persists, replace
the Meter body.
Refer register 116 status
bits for more details and
resolution.
Bit - 2
bad_PT
The Process Temperature
input measurement is far
outside the specified
range. The Temperature
module may be
damaged.
Refer register 116 status
bits for more details and
resolution. Verify that all
inputs are within
specifications