Series 8 C300 Controller User's Guide
Honeywell
10. C300 Controller Troubleshooting
10.6. IOLINK block soft failures
Condition when indicator is lit
Indicates that Channel B of the
IOLink has failed.
1.
Check IOLINK cable B from end
to end for proper connections.
2.
Check the cable connectors at
the IOTAs and fix as needed.
3.
Refer to the IOLINK Statistics for
the error counts to zero in on the
culprit (Primary IOLINK, secondary
IOLINK, or IOMs) and replace if
necessary.
Once a problem has been
identified and a fix is applied, verify
the fix by:
(a)
Reset the Error counts through
the I/O Link Command
"RESET_ERRORS" from the Main
Tab, then
(b)
Re-enable the Periodic Cable
Swap diagnostic through the I/O
Link Command "ENB_PERSWAP"
from the Main Tab
(c)
Monitor the error counts.
IOL Maximum Errors
Exceeded
Shows the I/O link has exceeded the
maximum error limit.
See "IOL Channel A Failure" and
"IOL Channel B Failure" Soft fail
Messages
Indicates that the IOL interface
daughter card could not transition into
the active supervisor role.
Generally this is caused by a
partner IOLINK with conflicting
IOLINK Address (See Duplicate
IOL Address).
IOLIM Daughter Card
Soft Failure
Indicates that a Daughter Card Soft
Failure exists.
Partner I/F Not Visible
On IOL
Shows the Primary IOLINK is unable
to view it's redundant partner across
the I/O Link.
Partner I/F Mismatch
On IOL
Indicates that the Secondary IOLINK
Partner is incompatible with the
Primary. The software versions may
be different.
Applicable only to IOLIM.
Check/Replace the IOLINK
firmware application version.
Call Honeywell TAC.
Indicates a Daughter Card soft
failure.
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