Alarms and Events ESIE10-01
3–10 Part 3 – Troubleshooting
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1.2.6 AC Comm Failure
Alarm description (as shown on screen): AC Comm. Fail.
Trigger: Communication with the I/O extension module has failed.
Action Taken: Rapid stop of all running circuits.
Reset: This alarm can be cleared manually via the keypad when communication between main
controller and the extension module is working for 5 seconds.
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