As below probably a scantronic panel.
Care to confirm this.
Try a walk test and see what zone comes up,as zone one may not be the exit zone.
Alarm, August 2010
if its a scantronic,then you have a faulty door contact,as ef stands for exit fault,or it could be a faulty pir if that is what is used as a timer trip
gts, August 2010
not enough info mate,there are far to many control panels,you dont say what make you have
