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I'm making a basic WW2 shooter and since I have multiple enemies in level 1, I wanted to use Trigger Zones to spawn enemies. I have about 15 enemies and they should attack when player enters a trigger zone. For example : I have a zone just outside a door, and when I step into it, enemys behind the door should start shooting and taking cover. That they'll do, but with 5-10 sec. delay! If I get close, or start shooting they'll react faster. And this happens almost every spawned enemy. Some have waypoints and some not. Also I have Empty's update and Sensei AI. Scripts I'm using: shoot.fpi, takecover.fpi(sensei), shootclose.fpi and chase.fpi. Does all of the enemys have to have waypoints?
The chase -script works perfectly (Player enters a Trigger Zone and enemy is spawned behind, starting to shoot and chase), 2 of the takecover -scripts is working too, but these enemys don't use trigger zone. Also, I have to enemys guarding a door and they don't use trigger zone either. Delayed also about 5-10 sec.

Sorry about long post. Just trying to describe my problem as good as possible.

Make sure you have the rate of fire set to 1. and try increasing the view cone angle.