Honest Guv It Wisnae Me

This little thermostat controls the extractor fan that removes heat from the little store that houses the gigantic work server. The morning after I took this photo the computer system crashed and refused to play for an hour and a half -> chaos
But, honestly, I never touched anything!
And then, to just add to the general feeling of well being, the fire alarm went off (no fire) and assaulted our ears for 20 mins before someone found the "off" key...