13. Series 8 I/O
Alarms and Failures
13.2. Reviewing IOM soft failures
R500
Series 8 I/O User's Guide
283
April 2017
Honeywell
169
F3NOTCAL
FTA3 not calibrated.
Diagnostic check:
Cause:
FTA3 not calibrated
Solution:
170
F4NOTCAL
FTA 4 not calibrated.
Diagnostic check:
Cause:
FTA4 not calibrated
Solution:
171
F3COMFL
TC/RTD FTA 3 communication failure.
Diagnostic check:
TC/RTD FTA 3 communication failure.
Cause:
TC/RTD FTA 3 communication failure.
Solution:
Check the connection from the Power Adapter to FTA 1. If the
FTA is missing, install the FTA. If the FTA is present, replace
the FTA. This soft failure is introduced in Series 8.
172
F4COMFL
TC/RTD FTA 4 communication failure.
Diagnostic check:
TC/RTD FTA 4 communication failure.
Cause:
TC/RTD FTA 4 communication failure.
Solution:
Check the connection from the Power Adapter to FTA 2. If the
FTA is missing, install the FTA. If the FTA is present, replace
the FTA. This soft failure is introduced in Series 8.
173
F3IDERR
TC/RTD FTA 3 identification failure.