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Tasco Security FAQs: Alarm System Troubleshooting & Support

Alarm System FAQs: How to Reset, Arm & Troubleshoot

You need to acknowledge the previous alarm before rearming the system. For a Concord 4 or newer Napco system, push RESET. For a Caretaker or SXV system, enter your code and then the number "1". For an older Napco system, press and hold the number "9".

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