So for troubleshooting purposes, I would suggest disconnecting the interconnect wire, but leaving them powered. You’ll want to reference the user guide for how to hook them up as a single station and do that. Then you can see which one is actually giving the fault.
If none of them trigger, then the problem’s probably in the wiring. Reconnect half of them and see if it happens again. Switch halves if it doesn’t, reduce by half if it does. Keep going until you find the connection causing it.
Keep in mind that you’ll still want the interconnect wire intact, so make sure to connect the ends together in the bays of the alarms you’re disconnecting from the interconnect network.
Over the next several weeks, I have a few projects planned that will require digging on my property. Of all the utilities coming in, the electrical is overhead, the water has been marked in the past, and my DSL line is on the opposite side of the property (plus I was present when they buried the line, so I know where it is). I...
My state’s 811 (PA One Call) has a list of private line surveyors on their site for this exact situation. Maybe start with your state or local government and see if they have recommendations?
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Over the next several weeks, I have a few projects planned that will require digging on my property. Of all the utilities coming in, the electrical is overhead, the water has been marked in the past, and my DSL line is on the opposite side of the property (plus I was present when they buried the line, so I know where it is). I...