Honeywell 5853 tamper alert

I looked at your panel programming for those 2 sensors and it all looks correct. Is it possible something is being shorted on the circuit boards? Any chance the test mode pads are shorted as shown in the upper right corner of page 1 of the installation manual?

If you are sure that the serial numbers are correct then it sounds like the glass break detectors themselves might be bad. It’s odd that both would exhibit the same problem like that… makes me suspicious that we’re overlooking something. I can’t think of anything else though. Where did you get them? Is it possible to exchange them?