Hi everyone, i have just bought a Galaxy 2.3 and it is always hot in there, when you turn the temperature switch to cold nothing happens, its as if the switch is just turning and not moving the internals of the unit, ( i hope this makes sense ! i have looked on ebay and there is the whole unit for sale ( model no ym2119980ac ) does anyone know if it would be difficult to swap over. sorry if i seem thick