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my logic 4 house alarm is not sounding right?

My sensor in my bedroom keeps blepping and small light flashing all night. Can you help?
veronica, April 2014
if you have smoke detector in same room or that area as your pir,replace 9 volt battery first in your smoke detector.i agree with gts its you battery in the smoke alarm hope this helps.

colin anderson, April 2014
Are we sure it is a sensor?

Alarm, April 2014
replace the battery in your smoke detector toots

gts, April 2014
link Click here to see other fixes for Logic 4 4000.