Revision 1
STT700 Series HART/DE Option User’s Manual
Page 103
Critical
Diagnostics
Factory calibration
corrupted
This indicates that device is not
characterized or the
characterization data is corrupted.
This has an impact on accuracy of
device measurements at different
temperatures
Try to restart the device. If the
status persists, contact your
vendor.
User configuration
data is corrupted
The diagnostic of the configuration
area stored in the non-volatile
memory has failed
Try to restart the device. Re-
calibrate or reconfigure the
device. If the problem persists,
contact your vender.
Non Critical
Diagnostics
STT body type
ambient temperature
is outside of
specification range (
-40 to +85 C)
Device internal temperature
exceeded the operating
temperature range specification
which is -40 to +85 degrees
Celsius.
Ensure that the process
temperature is within the
operating temperature range
of the transmitter (-40 to +85
degrees Celsius). If it is certain
that the reading is in error, then
contact your vendor.
Uncertain or
inconsistent input
readings
This indicates device is not
calibrated and impacts the
accuracy of measurements.
Contact your vendor.
Input measurement
is out of specification
for this configuration
PV value is not within LRV and
URV
Check your process temperature.
Adapt the span.
Low quality CJ
compensation
temperature reading
The ambient temperature
measured is out of the transmitter
specifications (-40°C to 85°C or
-40°F to 185°F)
The transmitter works in ambient
temperature conditions out of its
specification, the measure can
be perverted
Zero correction is
out of limits
Input applied exceeds
5% of expected value
Perform Reset correct
Span correction is
out of limits
Input applied exceeds
5% of expected value
Perform Reset correct
Output mode
The output is fixed at a specific
value and not representing the
applied input.
Clear output mode to return to
normal operation.
User correction
active
Transmitter has been trimmed for
particular sensor range. This can
be done by keying in LRV/URV,
CORRECT, ENTER with exact
LRV and URV input values to
enable improved accuracy over
the specifications.
When performing a Reset
Correct command or a sensor
type change, the transmitter will
lose this sensor correction and
fall back to the original factory
calibration.
Information
Status
Input suspect
Measured voltage references are
incorrect.
CJ temperature and electronics
temperature differ by more than
10 degC
Check loop voltage if it is
corrects then contact your
vender.
Input status not
latched
Latching is disabled
Enable latching
4 wire RTD mode
4 wire RTD / ohm wire is
connected
Information status bit
