
First Alert 10-Year Battery Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector
The red light stays on
1
Hi BobR, thank you for bringing this to our attention. We would like to get the details about what you are experiencing with your detector to help troubleshooting and ensure that everything is working as intended. At your convenience, please contact First Alert Customer Support at 1 (800)-323-9005 and we will be happy to assist you. - Maria
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