Staff Answer
Oct 30, 2026 - 06:30 AM
On the CORE series, its "Cell Life Low" light is like an odometer - it is tracking the hours that you put on it. If a high number of hours was put on it in a short amount of time, it would be important to evaluate what factors contributed to that.
Importantly, having the "Cell Life Low" light on its own doesn't necessarily mean its cell is depleted or requires immediate replacement. Rather, it triggers when the cell has used approximately 2/3 of its anticipated run time hours. This light is a convenience so that if you can be prepared as opposed to being surprised and not ready when the cell eventual does get used up. Take a look at page 12 and page 14 of the manual for more information about this. Continue to use your cell for as long as it will generate chlorine - for example, take the opportunity to verify the water's salt level and clean the cell and ensure there are no pockets of air in the cell while it is running, and use the system until after another warning light which prevents operation occurs and after all normal troubleshooting for that light is completed without successful resolution.
So in the event you are do get another error light, it is best to follow the checklist under "how do I know if I need to replace my cell" in the manual as well as any troubleshooting guides (found on the CORE support page) which specific are specific to that error light.
For those that see the "Cell Life Low" light sooner than expected, this frequently means you may be running it for for longer than the average pool system (8-12 hours a day). If this is the best way for your pump to run, then you may want to consider putting the salt chlorinator on its own timer to run for less time within the times you've programmed the pump to operate. If you live in a warmer climate and operate the system closer to year-round, in contrast to pools which normally require one to two seasons of use per year, you may also see the light sooner because of how many hours it accumulates.
Please let us know what other questions you might have, or you can call or open a support ticket online for more direct assistance.
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