Hi All, I own the Pentair Prowler 920 (= Dolphin Active 20 = Dolphin S200 = Dolphin Cayman = Dolphin Nautilus (2017 and Later) = Dolphin Proteus DX3 = Doheny's Saturn, etc). It's been a champ for several years, but now having issues. When it turns on, the blue light on the cleaner flashes 5...
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