Honeywell STT700 SmartLine User Manual page 16

Input2 Out Of Range
Watchdog reset
Supply Voltage Fault
SIL Diagnostics
Page 8
Measured value of Sensor2
is out of range
Watchdog has reset (it may
be due to FW failure or HW
failure)
MCU or DAC reference
voltages are beyond limits
RAM / NVM database
corrupt
STT700 Temperature Transmitter User's Manual
Input 2 temperature is greater than Sensor 2
URL or less than Sensor 2 LRL.
Set when the input at second sensor is either
under range or over range
Controller Watchdog has reset
This is set when one of the supply voltages
(DAC loop / MCU) in the device is outside its
specification limits. Check the transmitter
supply voltage
Advance diagnostics data is corrupted. Power
cycle the device
Revision 2