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Question About Firex Smoke Alarm 120-557B
I have a Firex 120-557b alarm system. I just repl...

I have a Firex 120-557b alarm system. I just replaced with new 9V batteries and while the light is constant green, every 30 seconds, each unit will blink a red light. What does this mean. I can not find a manual for this model.

Asked by Rhonda on 08/17/2014 0  Answer

ManualsOnline posted an answer 10 years, 3 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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