Tapper light on unable to reset.Key pad dead
What I have done :- Repaced The Battery Tried to reset it .
( Reboot )Power off /disconnect battery/ reconnect batt,box door shut / mains power on..It allows me me to enter the factory code 0123 alarm stops the key pads go dead. Tapper light on & Mains light..
Any advise would be appreciated

Brian, April 2020