You don't seem to know what they're doing, and I'm asking you what you think. You can either a) admit your ignorance and ask, or b) look it up. You don't seem to want to do either, which is why I'm hassling you. You're a teacher, and you don't seem to care to learn.
But go ahead. Lock it again. That'll show me!
That being said, they're already cooling the tunnel to 2 K and they'll only be injecting the first hadron streams in August. No collisions until September, at the earliest.