ESIE10-01 Alarms and Events
Part 3 – Troubleshooting 3–37
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1.4.19 FC Comm Failure Circuit 3/4
Alarm description (as shown on screen): FC Comm. Fail Cir 3/4.
Trigger: Circuit 3 or circuit 4 have more than 6 fans and communication with the I/O extension module
has failed.
Action Taken: Rapid stop of circuit 3 and 4.
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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