Table 22 Stt Device Status Messages (De) - Honeywell MC ToolKit User Manual

Messages and Diagnostic Codes

Table 22 STT Device Status Messages (DE)

CRITICAL
NON CRITICAL
Page 72
STT DEVICE STATUS MESSAGES (DE)
Power up self test failure
Isolated Microprocessor Communications Failure: An electronics failure was detected on
the isolated electronics
An open circuit detected at the input. Note: Power cycling is not required to reset this
critical status
Factory calibration data is corrupted
User Configuration data is corrupted
Isolated microprocessor NVM write failure
User NVM write failure
STT body ambient temperature out of specification (-40 to +85 deg C)
Uncertain or inconsistent input reading
Input measurement is out of specification for this STT Configuration
Low quality CJ compensation temperature reading
The zero correction value is outside the acceptable limits for accurate operation
The SPAN correction value is outside the acceptable limits for accurate operation
The transmitter is in the OUTPUT MODE and using a fixed output that is ""not from the
process""
User correction active
Suspect Input
Backup thermocouple is active
Input Status not Latched
Custom Input Sensor
Redundant T/C Mode
Delta Temperature Mode
4 wire RTD mode
34-ST-25-20 MC Toolkit User Manual Release 3
9/06