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When you press the ACK key, the following actions occur:
• The TROUBLE LED and all other specific trouble indicators illuminate steady.
• The local piezo turns off.
• The system stores an acknowledged event in the history file.
The following are latch-able troubles:
1.
NAC over current Trouble. NAC short during an alarm condition. To recover, follow these steps:
- Clear the alarm condition and reset the panel
- Reset the panel again to clear the trouble
2.
Open trouble on IDC Class-A circuit. To recover, reset the panel to clear the trouble
page 9
2008 Foundation Series Fire Alarm Control Unit Operation Guide
579-1401 Rev A
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