Honeywell Series 8 I/O User Manual

13. Series 8 I/O Alarms and Failures
13.2. Reviewing IOM soft failures
R500 Series 8 I/O User's Guide 273
April 2017 Honeywell
Diagnostic check:
IOM diagnostic circuit failure.
Cause:
IOM diagnostic circuit failure.
For Analog Input IOM, "noise" on the input may cause this
error.
Solution:
Reset the IOM. If reset does not clear the error, replace the
appropriate IOM.
For Analog Input IOM, check for "noise" on the input.
31 FTAMSMCH
TC/RTD FTA type mismatch with channel configuration.
Diagnostic check:
Check channel block configuration.
Cause:
TC/RTD FTA type mismatch with channel configuration.
Solution:
Reconfigure the channel block or replace the FTA.
32 VZERO-FL
Zero reference voltage out of range in Analog Input and Analog Output IOMs
Diagnostic check:
Zero reference failure.
Cause:
Zero reference voltage out of range in Analog Input and
Analog Output IOMs
Solution:
Replace the IOM.
33 BADRJVAL
Reference junction value bad
Diagnostic check:
Cause:
Reference junction value bad
Solution:

Honeywell Series 8 I/O Specifications

General

Brand	Honeywell
Model	Series 8 I/O
Category	I/O Systems
Language	English