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    Jacuzzi J-345 F2 fault

    I have a Jacuzzi J-345 hot tub (purchased in 2004). We recently had a blank LED display. I replaced the main fuse and then had a F1 fault with no circulation pump movement. I replaced the circulation pump and now have an F2 fault after the tub reached the target temp, 102 deg. There was air in...
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