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  1. R

    Dolphin S400 - App always says filter is full?

    I tried searching on this issue but didn't find anything that helped, so I'm making my first post. We had a pool built last year, and I bought a Dolphin S400 vacuum later in the year for vacuuming while the pool was closed. It worked well, no issues. After about 10 uses or so, the app started...