Hdiagto; Hstackhi; Fta3Fail; Fta4Fail - Honeywell Series 8 I/O User Manual

13. Series 8 I/O Alarms and Failures
13.2. Reviewing IOM soft failures
165

HDIAGTO

HART processor diagnostic task under-run.
Diagnostic check:
Cause:
Solution:
166

HSTACKHI

HART processor program stack above 90% usage level..
Diagnostic check:
Cause:
Solution:
167

FTA3FAIL

TC/RTD: FTA 3 has a Soft failure.
Diagnostic check:
Cause:
Solution:
168

FTA4FAIL

TC/RTD: FTA 4 has a Soft failure.
Diagnostic check:
Cause:
Solution:
282
HART processor diagnostic task under-run.
HART processor program stack above 90% usage level.
Check FTA 3.
TC/RTD: FTA 3 has a Soft failure.
Check FTA 3. This soft failure is introduced in Series 8.
Check FTA 4.
TC/RTD: FTA 4 has a Soft failure.
Check FTA 4. This soft failure is introduced in Series 8.
Series 8 I/O User's Guide
Honeywell
R500
April 2017