Sensory overload. Housing lacking proper insulation. Compromised temperature regulation. Higher processing demands than typical models of Geth.

One would, perhaps, be forgiven for thinking that Legion were dead, given the way they're just ... lying there. In the snow.

They did not come to the winter area of Nuidan with the intention of doing this. It has simply proven to be an efficient method for relieving the stress upon their systems.

As most organics are averse to the cold, they are not expecting company.