Welcome to the forum.
I believe that the vent shown in your photo is to allow some air circulation to cool the electronics inside the door panel. Based on what I’ve seen on a couple of websites on how to replace the fan, the steam exits at the bottom left of the door.
I believe that the vent shown in your photo is to allow some air circulation to cool the electronics inside the door panel. Based on what I’ve seen on a couple of websites on how to replace the fan, the steam exits at the bottom left of the door.