Temperature problems with the Ipad 3 in Idj pro!

I have a Numark Pro Today IDj one-set temperature problems, the iPad stopped, with a caption saying when lowering the tempertaura, the device may continue to operate.
While it was outdoors, it was a very hot day.
Someone happened something?
any suggestions!
this happens in the middle of a set! is complicated!

was it in direct sunlight?

yes, I was a little sunlight