Hi First time to the forum. I do have an issue with my Zodiac LM3 15

[rcy100]

Have you checked your salt level? The other possibility is that the cell needs to be replaced. Lifespan is usually around five years I think (depends on seasonal use, full time use etc.). I was having problems producing chlorine on my DuoClear unit last year (turned out to be a looming algae bloom that was consuming all my free chlorine) and when the Zodiac tech was at my house, he said if all lights could light up, the unit was fine and it was something else. If all lights couldn't light up there was a problem with unit or cell. In your case, since you can't get all lights lit up, it may be the unit/cell. Still I would check salt level of the water before I did anything else.