god of no answers, more like .have you had any work done in house,?carpet fitters or any thing like that?if not you may have a blown fuse due to a faulty battery,check all detectors see if any covers are loose,if you remove the front of the control panel,you would normanly need the engineering code to reset,but in my experience the ppl who fit these panels seldom change the eng code,9999,
gts
September 2010