if your letting it set with a door open for example or walking in the normal route and letting it time in, then your not likely to hear the outside bell at all in the first case or it`ll take twice as long as you expect in the second
tried the panic button and the internal bell goes off but not the outside one, wiring looks ok is it worth buying a new bell box i was told the wiring in the external box could of corroded ,there is power to it cos of a night you can see a blue light inside the box
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