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Thread: Cell at 80% - still producing chlorine with blinking light?

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    tomzo's Avatar
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    Cell at 80% - still producing chlorine with blinking light?

    Greetings,

    I have a Pentair IC40 that was installed in late 2010 and the "Cell" light was blinking green. The flow and salt lights were good so I pulled it out to clean. It had a good deal of buildup so I acid washed it completely and reinstalled. The blinking green light is still blinking. I held down the "More" button and got a read out of 80% telling me that it is about time to get a new cell.

    My question is: does this blinking just mean that I need to be aware of the end of life or does it mean that I am not producing chlorine? My pool seems just fine now but is it about to take a walk down the green side? Since it took 3.5 years to get to 80% I figured I might have another 5 months until I complete the process.

    Thanks
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    JasonLion's Avatar
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    Re: Cell at 80% - still producing chlorine with blinking light?

    When the cell light is flashing green the unit is not producing chlorine. This can sometimes happen when the water is very cold.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Kiss4aFrog's Avatar
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    Re: Cell at 80% - still producing chlorine with blinking light?

    This is the manual for that SWG : http://www.pentairpool.com/pdfs/Inte...tor520589J.pdf

    Page 7
    IntelliChlor Electronic Chlorine Generator Installation and User’s Guide

    Green LED (Flashing):
    Salt level is above 4500 ppm. Chlorine is being produced but the salt level is too high which increases the risk of corrosion and deterioration of pool equipment and surfaces in and around the pool. Pool water needs to be drained and refilled one (1) foot at a time until the salt level is below 4500 ppm.
    '70s IG Vinyl 32K gal, Lazy L, Hayward SuperPump 1.5hp 120V, S240 Sand Filter W/DE
    Solar Blanket, Well Water, Borax Added, TF-100 tester. ? too cold
    1979, 275gal Conway Emerald Spa P-100-2, ES-2 Spa Pack, bromine floater, indoor
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    JasonLion's Avatar
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    Re: Cell at 80% - still producing chlorine with blinking light?

    kiss4afrog, that is from the Salt Level Green LED flashing description. I believe tomzo said the Cell LED was flashing green, which is:

    The IECG needs to be inspected. The blades may have calcium buildup. The IECG is not producing chlorine. If the Cell green LED is flashing with the Check Salt LED, it indicates the salt level in the pool needs to be checked, adding if necessary, and the IECG needs to be inspected and cleaned if necessary.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: Cell at 80% - still producing chlorine with blinking light?

    Is the cell being controlled by the EasyTouch? If yes, you can go to diagnostics to see what that says.

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    Kiss4aFrog's Avatar
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    Re: Cell at 80% - still producing chlorine with blinking light?

    Need to work on my reading skills.
    '70s IG Vinyl 32K gal, Lazy L, Hayward SuperPump 1.5hp 120V, S240 Sand Filter W/DE
    Solar Blanket, Well Water, Borax Added, TF-100 tester. ? too cold
    1979, 275gal Conway Emerald Spa P-100-2, ES-2 Spa Pack, bromine floater, indoor
    TF-100, Best test kit - TFTestkits.net
    Please help keep the lights on, become a TFP Supporter!

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    tomzo's Avatar
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    Re: Cell at 80% - still producing chlorine with blinking light?

    Thanks for all of the replies - I truly appreciate it. I checked the diagnostics on the Easy Touch and it simply said to clean the cell. I had just done that but did it a second time. When I had the cell out I took a closer look and the very center plate was missing from one end and when I looked at the other end I could see a bit of it left, leaning against the neighboring plate. I managed to get it out with a thin screwdriver and needle nose pliers. I restarted the system just now and had to leave before the system initiated but my guess is that it is toast. I will be on Amazon ordering a replacement cell later today!

    Thanks again!
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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