What happens when sensor batteries go dead?

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Old 12-09-18, 08:54 PM
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What happens when sensor batteries go dead?

I was just thinking about this because I installed my alarm about 8 years ago and have one wireless door contact for now. What happens when that battery gets low or dead? Will I get a signal on the panel? If it goes dead while the system is armed, will the alarm go off? Should I replace the batteries on a regular schedule or wait until they go low?
 
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Old 12-09-18, 10:41 PM
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Most alarm panels will notify you with a zone number and a low battery warning.
At 8 years old it wouldn't hurt to change it.
 
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Old 12-09-18, 11:03 PM
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Yeah I probably should change it. Out of curiosity, would it cause the alarm to go off if it went dead while it were armed? I have a Vista 20p panel
 
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Old 12-09-18, 11:44 PM
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It is not supposed to but I've seen strange things happen with wireless units and low batteries.
 
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Old 12-10-18, 07:33 AM
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My front door battery died completely why the system was in stay instant mode and it would just display check zone 10 and that's pretty much it no alarm or anything. But it would start beeping like crazy once you disarm it
 
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