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I have seen systems where the MESH (or 2 way comms) network (for wireless comms) has been setup incorrectly. The bellbox looses comms with the panel, as it is normally the furthest away (thinks it’s under attack) and goes off. (This can also be due to external interference where the bellbox thinks the signal is being jammed)
There was no indication on the panel either.
Maybe there is something on the panel where you can check the MESH (or 2 way comms) connectivity, and see signal strength to the bellbox.
Batteries in the wireless siren should last 18-24months (as long as they are Lithium-ion - if not, these can fail due to temperature)
Hopefully you have the engineers code so you can do some tests?
Fabien |
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