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  1. harryusa

    Help! Ademco 6270 home alarm not working!!

    Yes, maybe the original owner can supply you the master code.
  2. harryusa

    Help! Ademco 6270 home alarm not working!!

    User code, Master code and Installer codes are exclusive terms... User code, Master code and Installer codes are exclusive terms that permit certain functions and access to only certain areas. I sure you have tried this but you should see if any of the codes the previous owners gave you are the...
  3. harryusa

    Help! Ademco 6270 home alarm not working!!

    One more thing...The installer code is not the master code The installer code is not the same as the master code try 1234. It just worked for me. I found out a few years ago that my alarm company didn't change this either. When I closed my account they took the keypad but left me with the old...
  4. harryusa

    Help! Ademco 6270 home alarm not working!!

    Someone always has an answer...helpful or not Martian, I have the same problem. And I know I own my system because I just bought it new in sealed boxes. The installer code on my panel is 4112 and I programmed all the zones and everything else but I get the same message when attempting to add a...
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