If you knew anything about alarms then you would know that the 600 is also known by another panel (not the keypad with the silly chipped key),and this rebrand installation manual can be found easily over the net unlike the chubby chubb.
Chances are it's been locked anyway.
Follow gts's advice and don't waste your time on it.
e manno
June 2013
howtomendit.com for free repair help, information and advice.
