Sentinel, don't you keep him waiting forever, he won't stay there for long before he decides to use his chainsaw to 'open' the door. Thankfully for said door, that's not necessary.

Are they going to have this conversation in the hallway, where anyone can walk on them?

Excellent.

"Your voice gets really high when you overload. I'm the first mech who told you this?"

Shame, he has none.