It was mentioned that a previous month long shut down was due to failure of a coolant system but there was no mention of the uncanny cause of this coolant failure. A time traveler (Eloi Cole) from the future was aprehended at the LHC site for walking around without an access badge. He said he dropped a baguette in to the air intake system in order to change the course of history where in the future the LHC project had unforseen consequences.

http://crave.cnet.co.uk/gadgets/man-arrested-at-large-hadron-collider-claims-hes-from-the-future-49305387/