Concept 6 alarm, worked ok for a long time. Yesterday the house alarm sounded, it took the wife ages to get it to turn off. Now it won't reset, when I enter the 4 digit code, all zones (4) light up red making a continuous beep and the alarm won't set. I have to re-enter the code again to stop the beeping.
New battery ordered because the old one is out of date. Not sure that's he problem. Anyone can help?