Electronic Alarms and Home Security Devices - Smoke Detector Question Firex 120-5388

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stpp2333
08-13-08, 08:58 AM
I have a 10 year old house and have 7 smoke detectors, Firex 120-5388, and one of them started to beep every so often. I decided to change all 7 batteries in all of them, now about every hour or so, it seems two or three of them will sound off for about 2 or 3 seconds at a time!!!
Any ideas????

Drivin me nuts!!
Thanks,
Steve

MrRonFL
08-13-08, 10:01 AM
Try giving them all a good cleaning with canned air. At 10 years old, they are actually getting close to their recommended lifespan, so it may be worth your while to start swapping them out for new ones.
kcxj
08-13-08, 07:07 PM
I would agree with MrRon, at ten years old they are of the age to replace. Go to a big box store and by a set for replacement.