Level testing fails

The problem with your door disappearing is to do with how you’ve coded this last idea you have here. But let’s deal with the open and close door first.

I think you were heading for this sort of thing

See if that works for you.

It’s not air tight. Try jumping on the box and pressing open when the door is closing…

It really depends on whether you want the door to complete it’s operation, or be able to change direction mid-way.

One of your main problems, was you can’t put a delay on the branch of a sequence node. If you do, it just ignores it, and goes straight to the next pin.