How can i mend my Securit 700L?

i am unable to set my alarm system, this was not an issue until yesterday when suddenly couldn't do.When entering code the 2/3/4/5 zones all show red light although 1 and 6 don't,-securit 700L SYSTEM

any ideas?
alan h, March 2012


done
Same as before, have you cut a cable. Had carpet fitters in?

Alarm, April 2012
link Click here to see other fixes for Securit 700L.