Roborock

Docks are their own machine

On a Roborock with a dock, it is usually the dock that fails rather than the robot — the self-empty compressor or the water pump. Both are replaceable on their own; you do not need a new station.

Fitment

Within the S series, parts are often not interchangeable between generations. Tell us the exact model — S7 and S7 MaxV take different parts.