We may have found other answers which could help you.
Click here for Security Alarm Systems
Gardtec cpx lost chime yet again?
Gardtec 800 with a battery/fuse failure?
Could anyone help me with gardtec 360/580 anti-code reset?
How do I reset my gardtec300 alarm ?
Stuck button on gardtec 500?
where can i buy a replacement battery?