At the mans words, Carus looked up.

"I don't know how it works, but I've got some experience with unco-operative machines", he commented, with a wry grin, remembering the time one of the drills failed to start. "Admittedly, it's not much, but as they say, better to trust an amatuer then one with no experience if an expert isn't around."

Bracing himself, he unstraps and 'falls' to the ceiling, before scouring the area for a likely looking panel, before opening it, and looking at the wires within.

Spoiler
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Its 1d10+skill+attribute, yes?
if so:
[roll0]
((Hope I did that right :P))