Table 3 - Stt700 Diagnostic Messages; Table 4 - Stt700 Standard Non-Critical Diagnostics Messages - Honeywell STT700 SmartLine User Manual

Critical Diagnostics (Failure
Conditions)
Elec. Mod. Diag Failure
Elec. Mod. DAC Failure
Sensor Input Failure
Char/Cal Data Corrupt
Config Data corrupt
Table 4 – STT700 Standard Non-Critical Diagnostics Messages
Non-Critical Diagnostics
(Warning Conditions)
CT Out of Range
No Factory Calibration
PV Out of Range
CJ Out of Limits SV Bad
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Table 3 – STT700 Diagnostic Messages
Description
Diagnostics failure (like
ROM / RAM corrupt
etc.)
Failure related to DAC
which regulates 4-20mA
loop
Input sensor may be
open / short / out of
range
Factory calibration data
is corrupted
NVM data corrupted
Description
MCU temperature of the
device is out of range
Factory calibration data is
not available, device is not
factory calibrated
Process value measured is
out of range
Cold junction sensor
temperature or device
terminal temperature is out
of limits (-40°C to 85°C is
the range)
STT700 Temperature Transmitter User's Manual
Details
Action: Reset the device. If the problem persists
replace the electronics module Note: Select
"Device Status - Additional Status" to see which
of these conditions are set.
Action: Reset the device. If problem persist,
replace the electronics module.
Note: Select "Device Status - Additional Status"
to see which of these conditions are set.
"Failure in sensing section. Any of the following
conditions can cause this failure:
1..Input 1 Fault
2. Input 2 Fault.
Check the sensor input connections.
3. Suspect Input.
Check sensor and connections. If the
connections are ok, and problem persists,
replace the electronics module board
Note: Select "Device Status - Additional Status"
to see which of these conditions are set
Characterization / Calibration data is corrupted
or missing.
Replace device if error persists upon power
cycle
Action: Power cycle the device. If the problem
persists, replace the electronics module.
Details
Core Temperature out of range (-36°C to
112.5°C).
If it is certain that the reading is in error, then
contact the vendor.
The transmitter has not been calibrated by the
factory. Contact the vendor.
Loop PV is out of configured URV and LRV.
Check your process temperature. Adapt the
span.
Check range and, if required, replace
transmitter with one that has a wider range.
The ambient temperature measured is out of
the transmitter specifications
(-40°C to 85°C).
Take steps to isolate the device from the
temperature source.
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