You have a maintenance agreement in place?
This could be your reminder.
If not ask for the engineer code to be given to you.
There is also the insurance aspect, is it required to be maintained?
Once you can answer the above we can advise better.
As for thinking your being victimised for being a single mother with children, please grow up.
How many in your situation can even afford an alarm?
Lastly are you in or near Birmingham?
Alarm
May 2012