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hydor fan stuck in reverse

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  • hydor fan stuck in reverse

    Fixable??
    210 gallon ~ S/A, C/A build; jaguar, dovii, flowerhorn, gold doviI, 2 red devils, pacu, shovel nose cat
    125 gallon long ~ African cichlids
    10 gallon ~ ghost shrimp breeding (fish treats) haha

  • #2
    cycle the power.
    700g Mini-Monster tank

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    • #3
      Lol excusee my newbness with these I've never had on
      210 gallon ~ S/A, C/A build; jaguar, dovii, flowerhorn, gold doviI, 2 red devils, pacu, shovel nose cat
      125 gallon long ~ African cichlids
      10 gallon ~ ghost shrimp breeding (fish treats) haha

      Comment


      • #4
        Had one of these..what's that mean?
        210 gallon ~ S/A, C/A build; jaguar, dovii, flowerhorn, gold doviI, 2 red devils, pacu, shovel nose cat
        125 gallon long ~ African cichlids
        10 gallon ~ ghost shrimp breeding (fish treats) haha

        Comment


        • #5
          plug and unplug the power cord till it works properly
          700g Mini-Monster tank

          Comment


          • #6
            Originally posted by eklikewhoa View Post
            plug and unplug the power cord till it works properly
            preciate it
            210 gallon ~ S/A, C/A build; jaguar, dovii, flowerhorn, gold doviI, 2 red devils, pacu, shovel nose cat
            125 gallon long ~ African cichlids
            10 gallon ~ ghost shrimp breeding (fish treats) haha

            Comment


            • #7
              happens to me all the time ,just unplug re-plug till correct, its hasn't exploded yet!

              Comment


              • #8
                I appreciate knowing that too. After looking around, it appears that koralia is very bad about doing this. Maybe taking it apart and cleaning the rotor/impeller will help it. There should be some kind of "mechanism" that prevents it from starting backwards.
                DOWNSTAIRS display tanks:
                20g - 1 yellow Glowfish, 1 long-fin Danio and 3 Cherry Barbs
                37g - 3 Zebra Danios, 5 Red Serpae Tetras, Dwarf Flame Gourami and Red Tail Shark
                10g - single male Betta (daughters responsibility)
                UPSTAIRS research/quarantine tanks:
                10g - mosquitofish tank awaiting rebuild
                20g - heavily fake planted housing 8 Dwarf Gourami RIP Blue, Flame and unnamed
                20g - empty tank with beautiful black Tahitian moon sand
                10g - hospital sterilized and dry :-)
                5.5g - fry tank with mosquitofish born 1 Mar 2012

                Comment


                • #9
                  its prolly more to do with the electrical design that something mechanical, if i had to guess. i'm not experienced with these pumps though but when motors run backwards its beacuse something in their design is allowing the motor to run out of phase. i guess that would be easy to do with an induction motor design.
                  75G Standard - High Light Planted Community Fish
                  28G Aquapod - Medium Light Planted Shrimp & Microrasboras
                  12G Eclipse - Bonsai Planted Betta & Shrimp
                  29G Standard - Vivarium w/ Red Devil Crabs
                  45G Exo-Terra - Terrarium w/ Hermit Crabs (in progress)
                  33G Cubish - Vivarium w/ D.auratus 'blue & bronze'

                  GHAC Member

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                  • #10
                    It's a single phase reluctance motor I believe, so it will run either way. They usually do something in the design to make it go the right direction at start-up. Apparently, these koralia motors have some kind of bushing that gets out of place. They make some kind of replacement parts kit with a bushing that won't slip out of place.
                    DOWNSTAIRS display tanks:
                    20g - 1 yellow Glowfish, 1 long-fin Danio and 3 Cherry Barbs
                    37g - 3 Zebra Danios, 5 Red Serpae Tetras, Dwarf Flame Gourami and Red Tail Shark
                    10g - single male Betta (daughters responsibility)
                    UPSTAIRS research/quarantine tanks:
                    10g - mosquitofish tank awaiting rebuild
                    20g - heavily fake planted housing 8 Dwarf Gourami RIP Blue, Flame and unnamed
                    20g - empty tank with beautiful black Tahitian moon sand
                    10g - hospital sterilized and dry :-)
                    5.5g - fry tank with mosquitofish born 1 Mar 2012

                    Comment

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