Question about Zodiac Duo Clear System Chlorine Generator

1 Answer

Zodiac LM3 24S won't turn ON

I have had the LM3 system for almost two (2) years now. I perform regular maintenance on it to clean it. It has always run fine until about two weeks ago when it started to give me trouble turning ON.

It basically turns ON when power up, the lights come up as usual, but then after about 4 seconds it shuts OFF. I would have to turn it back ON again a couple of times with the Power Button until it would finally stay ON. The Cell would not work until it stays ON (I know because I can see the white cloud in the water at the Cell).

Last night the console decided to die. It now turns ON, and after 4 seconds it shuts OFF and I cannot turn it back ON with the Power Button. I have checked cables, power, cleaned the Cell (again), and everything seems to be OK, but the unit is not producing chlorine (the water is clear in the cell) and the console stays OFF. Only the Super-Chlorinate light comes ON and OFF if I press the Button which it doesn’t make sense anyways as the water in the Cell is always clear, so the Cell is obviously not producing Chlorine.

I will call tech support tonight when I get home, but I also would like to know if anybody here has an idea on what to do or what is wrong.

Thank you in advance.

Posted by on

  • dannydibuono Jul 14, 2009

    Fixed it!!!

    I found out about the Reset/Setup hidden button that the Control Panel has and I gave it a try.

    I?m not sure how many functions it can do (depending of the combinations of buttons used and an specific sequence) but I was able to do somehow a reset for the unit using it.

    It started to work back again and that is what matters now.

    If anybody has a problem with the LM3 units and read this, just look for the hidden button and give it a try before you spend $$$ on a wanna be technician. The button is located on the lower left corner right on top of the LM3 Symbol (just press with your finger and you will feel it).

    Recession is not that bad after all. It has made me look for my own solutions before I go and spend $$$. I just took away a job from somebody else, but life is tough anyways, don?t you agree?

    Thank you anyways.

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  • Contributor
  • 52 Answers

Two Things come to mind, the board, or it could be that the life of the cell has expired.

The Pool Tech

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

thepatioman
  • 52 Answers

SOURCE: Can't adjust the chlorine output level of Zodiac LM3-15

Nost often it just needs to be cleaned. Calcium build up can clean in a tub of 1 Part muratic acid to 5 parts warter. or a 2 to 1 soultion of vinigar and water, otherwise it could be faulty. Cleaning typically works.

The Pool Tech

Posted on Jul 14, 2010

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