What do you mean by doesn't work? Doesn't cool at all? Quits cooling? Gets too cold?

My 845 has had some issues since they "fixed" it, but I think I've got the problem isolated and a fix devised. Of course, they told me the other day, that a bigger orifice tube and additional R134 charge is coming.  Mine worked fine until they installed more charge and a bigger orifice tube, the last time