Vreffail; Adoutudf; Adoutcal; Badflreg - Honeywell Series 8 I/O User Manual

41

VREFFAIL

Reference voltage out of range
Diagnostic check:
Cause:
Solution:
42

ADOUTUDF

Analog to digital conversion on this Analog Input channel is out of range.
Diagnostic check:
Cause:
Solution:
43

ADOUTCAL

Analog Input or Analog Output IOM is out of calibration.
Diagnostic check:
Cause:
Solution:
44

BADFLREG

Analog Output module failure selection register is bad
Diagnostic check:
Cause:
Solution:
45

BDSNDLTC

Secondary latch failure
R500
April 2017
Check reference voltage
Internal 5V reference out of range in Analog Input or internal
AA55 reference test failed in the case of Digital Input.
Replace the Analog Input or Digital Input IOM.
Check input wiring.
Analog to digital conversion on this Analog Input channel is out
of range.
Check the input wiring at the IOTA; possible open contact.
Otherwise, replace the IOM.
Check Analog Input or Analog Output IOM calibration
Analog Input or Analog Output IOM is out of calibration.
Calibrate or replace the IOM
Analog Output module failure selection register is bad
Series 8 I/O User's Guide
Honeywell
13. Series 8 I/O Alarms and Failures
13.2. Reviewing IOM soft failures
275