Honeywell SMV800 User Manual page 208

Device Warm
Reset
Display
Communication
Failure
Warning
Display NVM
Corrupt
Communication
Module VCC
Failure
Transmitter
Supply Failure
Page 196
The supply voltage to Power cycle the
the transmitter device. If problem
terminals has persist, Check the
dropped low enough terminal voltage to be
to cause a warm within limits. If still
reset of device problem persists
replace the Terminal
block assembly. If
problem continues
replace the
Communication
module
Display Secure Display
communication connections and
failure recheck. If problem
persists, reset the
device. If the problem
still persists, replace
the Display module.
Communication Power cycle the
module is reporting device. If the problem
corruption of the is not seen, verify the
Non-Volatile Memory parameters for
data (NVM) related to configuration changes
display screen made. If the problem
configuration. still persists then
NVM might be
damaged so need to
replace Comms
board.
The voltage supply to Power cycle the
the Communication device. If problem
Module processor is persist, Check the
outside the terminal voltage to be
operational range of within limits. If
2.8 to 3.2volts problem continues
replace the Comms
module
Power Supply failure 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 Comms
module
SMV800 Modbus User's Guide
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