A safety device with an error indication function includes at least one ERROR pad configured between the error indication function and at least one normal function, and a set of multiplexers connected to the ERROR pad. The semiconductor chip has plural bumps connected to corresponding terminals through an anisotropic conductive layer. In the first branch, the evaporators of the first and the third refrigerating areas are connected in series. The second sprayer is axially and radially spaced from the first sprayer.