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+---- Thread: Periodic Intruder Alert from one PIR (/thread-5396.html)
- RobGG - 10-15-2022
We went on holidays for an extended period. The system was armed. Three days after arming a PIR gave an Intruder Alert at 03:53 (time from log), the System rang me. I disarmed system. I checked a separate eufy camera - no intruder. Re-armed system. Three days later, same PIR, same Intruder Alert at 03:54, no eufy intruder. Disarm and RearmThree days later, exactly the same process, time 03:55.Three days later, exactly the same process, time 03:57.For the next several weeks I used the remote control to Disarm and then immediately Re-arm the system every two days. This worked and the system was still active and the neighbors were not inconvenienced. I did then slip-up and missed an off-on session. The alarm went off at the three day mark again at 03:58.Prior to this holiday the arming of the system was mostly for only a few hours or 24-36 hours. It behaved as expected.
I am puzzled with this behavior, can it be just the PIR? How can I test it?
I am a reasonably experienced user. There is now no Comfort installer I can call on. Any assistance would be appreciated.
Robert
- slychiu - 10-15-2022
Could the alarm be caused by a lizard or spider crawling across the PIR at around the same time on these occasions? I suggest to add another PIR connected to a spare zone and program the 2 PIRS as Alert zones, ie you need both PIRs to detect motion to trigger an alarm
- RobGG - 10-18-2022
I doubt that any lizard or spider could be this regular. I have ordered a new, two stage PIR and will replace this 2003 relic PIR and see how it goes.
Regards, Robert
- Ian - 10-18-2022
I had a spider in a PIR - it was very regular in its habits. It had found a way into the PIR and lived in there coming out to check its webs!