what is the make and model of your panel, most panel manufacturer's use 1234 or 0123 try that and use the manual to change the code but all panels use different programs to change the code so I would need to know the type of panel
jason biddulph
May 2009
It would help (a lot) if you turned off Caps Lock & told us which one of possibly 1000 different models there on the market you have.
acorn
May 2009
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix home alarm systems.