i have a melcom alarm system st6500 and my key pad keeps going out i have replace the battery but after a few day it starts again. also with the new battery in the mains green light don't stay on it flash on and off please let me know want to do to put this right.

thank you
darius knetsch

darius knetsch, November 2011

Check the battery fuse, removed & with a meter, looking at it does not do it.

Remember there is Mains Electricity in the box.

acorn, November 2011