Honeywell SMV800 User Manual page 201

Pressure
Sensor
Comm
Timeout
Temp
Critical
Sensor
Comm
Timeout
Comm Vcc
Failure
Pressure
Sensing
Failure
Temp
Sensing
Failure
Revision 1.0
If there is no
communication between
Communication Board
and Pressure Sensor
Board (Meter-body) or
invalid data on
communication line due to
noise
If there is no
communication between
Communication Board
and Temperature Sensor
Board (Terminal) or invalid
data on communication
line due to noise
Power Supply failure
This is a roll-up status bit
used for reporting a failure
of the pressure sensing
measurement by pressure
module.
This is a roll-up status bit
used for reporting a failure
of the temperature
sensing measurement by
Pressure module.
SMV800 Modbus User's Guide
User can verify the
cable/connector
between communication
and Pressure sensor
board (Meter body) to
ensure that it is not
damaged.Check for bent
pins.If cable/connector is
not the problem, replace
the Communication
module.If problem still
persists, replace the
meter body.
User can verify the
cable/connector
between communication
and Temperature sensor
board (Terminal Board)
to ensure that it is not
damaged.Check for bent
pins.If cable/connector is
not the problem, replace
the Communication
module.If problem still
persists, replace the
Terminal board.
Power cycle the device.
If problem persist, Check
the terminal voltage to
be within limits. If still
problem persists replace
the Terminal block
assembly. If problem
continues replace the
Communication module
Refer register 116 status
bits for more details and
resolution.
Refer register 116 status
bits for more details and
resolution.
Bit - 5
115
Bit - 6
Bit - 7
Bit - 8
Bit - 9
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