Sorry about getting the tagging wrong. Oops!
And it's the same thing going on as the post you linked.
All I can really say is that I never had the problem before. It just started for me after the For Rent pre patch. It worked as it should up to that point. The inability to repair the upgraded robovacs has been going on since before I started using them after Bust the Dust was released. That issue is the same as with other upgraded unbreakable electronics. Never ending repair that never repairs the object and usually resulting in a sim getting electrocuted if you don't catch it in time.
I do not have BtD, can confirm that the upgraded vacuums from C&D do not incinerate the trash like it should. This started happening for me only recently, so I'd say similar to the previous poster and it was part of the For Rent pre-release patch. The vacuums do dock fully and have the flashing lights like it should be incinerating, but when they go out for their next auto-run, they start full instead of empty.
I forgot. I have found that using the Debug radial > Reset Item on the upgraded vacuum tends to correct this, so at least there's a bit of a workaround.
