Selena

Hi are you able to help me please with my house alarm thistle it goes on randomly I'm getting a msg saying anti code needed with some letters and number

Hi I have a thistle alarm for the past few days it goes on sometimes. 2days ago it went off after 3 in afternoon then day after it went off again after 3, then a day later it went of after 12 at night then at 3 then at 4.20 same night what can be the problem please I'm getting a msg saying quote g14223 anti code needed. And also says wireless jamzzin or something