intellisense alarms

I am about to lose my mind with this IntelliSense alarm system. I moved into my new flat about a month ago, and the first couple of nights in at 11:30pm the alarm started blaring (both at the alarm panel and another box outside in the landing). I had no idea how to turn it off, tried flipping...

I have forgotten the code for my alarm and just tried to reset it by disconnecting both mains and battery, now the alarm won’t stop, the outside sounder has stopped but inside I’ve had to disconnect the bell to quieten it. There are no lights on the keypad now either. I tried both the default...

Hi there, new to forum and seeking some advice on our house alarm. Moved in circa 10 months ago, the house is fitted with an Intellisense Securit 800l system. We were given the keypad code by the previous owners but I could never set the system with the number they gave and was assured by them...