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Thread: Code 123

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    Code 123

    Code 123 on a jandy system does anyone know what that can be.

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    JasonLion's Avatar
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    Re: Code 123

    Welcome to TFP!

    123 means Extremely Low current to the cell. Jandy recommends you clean or replace cell if necessary and check the DC cord.
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    Re: Code 123

    Quote Originally Posted by JasonLion
    Welcome to TFP!

    123 means Extremely Low current to the cell. Jandy recommends you clean or replace cell if necessary and check the DC cord.

    Already clean cell with acid and still setting code 123 ,,, you said to check dc cord now would check that ???, Also the cell that i have is a two port where can fine a replacement for that one.

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    JasonLion's Avatar
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    Re: Code 123

    The only way to replace the old two port cells is to cut them out and plumb in the new three port cell. This requires some PVC work, but is usually easy enough for someone with only a little DIY experience.

    For the cord, the first thing is to make sure the contacts on both ends look good. The connectors should fit securely, there shouldn't be any corrosion, and you don't want to see any blackened or melted plastic, which would indicate a bad connection. You can also test the cord with a multi-meter to make sure it still conducts electricity.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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