Controller Does Not Synchronize With Backup - Honeywell Experion C300 User Manual

Fixing common problems

Controller does not synchronize with backup

Controller does not synchronize with backup
Diagnostic Check
Cause 1
Solution
Cause 2
Solution
Cause 2
Solution
Cause 3
Solution
Cause 4
Solution
Cause 5
Solution
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Primary controller cannot synchronize with backup.
In the Monitoring tab, double-click the primary C300 icon to call up its
Parameters configuration form. Click the Redundancy tab to display it
and check the Inhibit Sync Reason
controller not achieving synchronization.
Troubleshoot to correct condition inhibiting sync.
Bad redundancy cable.
Replace redundancy cable. Check to see if controllers synchronize.
Controller IOLINKS may be configured fro PMIO or Series C I/O, but IOL
cables may be disconnected.
Reconnect cables to controller IOTA.
Bad backup controller.
Replace controller module. See
replacement for details.
Check to see if controllers synchronize.
Bad Backup IOTA.
Replace the IOTA. Reinstall the original backup controller module on
the new IOTA. See C300 Controller module and IOTA replacement
details.
Check to see if controllers synchronize.
Bad Primary controller module.
Replace primary controller module. See
IOTA replacement for details.
Check to see if controllers synchronize.
Bad Primary IOTA.
Replace primary IOTA.
Reinstall the original primary controller module on the new IOTA. See
C300 Controller module and IOTA replacement
Check to see if controllers synchronize.
Experion C300 Controller User's Guide
Honeywell
parameter for a description for the
C300 Controller module and IOTA
C300 Controller module and
for details.
for
R301.1
11/06