and no,am not being smart,the scantronic panel is smarter than most of the folk who use it,its telling you where the fault is,look up your user manual to see where zone 8 is,check the sensor,or replace it if you do not have the skill to test it.but be warned,you may need an engineer code to reset the panel if you open the end station,try key in 07890 before you open the panel ,you should get engineering mode on the display,then you can test sensor ok if its a pir
gts, July 2011