e manno,clive not have a clue,sorry clive,if you had prob since you fitted it,you made errors the panel you have fitted is cheap and chearfull,us pros not fit them,check all wireing its not rocket science,if you short out the tamper on panel,and the bell box con,and it still shows tamper,then your cheap panel is buggered ,buy a better unit ,
gts, July 2012