I have a Tate BP8Z 'Javelin' - 8 Zone panel, with Tate sounder. The sounder squawks and tweets when the alarm is activated (this is not the sound it is supposed to make). It also intermittently squawks and tweets when the alarm is not activated. New sounder required ?

Ray Blackler, July 2010

replace the bell box battery, sould sort it out.

bernie12b, July 2010