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  1. A

    Rewiring alarm with power connected

    Do you know if I'll lose the programming settings if I remove power from the board?
  2. A

    Rewiring alarm with power connected

    To get the extra cables through the existing hole in the case, I'll have to force them through. I agree there's a lot of space inside the case
  3. A

    Rewiring alarm with power connected

    Yes, I think you're right. I wouldn't normally work on an electronics board that's got power. Someone told me that my Securit 800L loses the programming settings if I remove power. I don't think this is the case. Does anyone know for sure?
  4. A

    Rewiring alarm with power connected

    I have an existing Securit 800L system. I want to add a second door to the final exit circuit, and also an extra PIR. If possible I want to do this without the SAB going off and annoying the neighbours. I definitely can't access the bell at the moment because there's building work going on...
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