Staff Answer
Aug 14, 2026 - 07:22 AM
The best approach would be to follow the checklist under "how do i know when my cell needs to be replaced" on page 13 of the product manual. Any of the issues listed there can cause the system to think the salinity is lower than it actually is.
This includes:
Ensure that the pool water's salinity is in range, testing it independently using titration-based chemical test, or else a recently-calibrated digital test.
Ensure that the cell is fully cleaned (multiple times in a row if necessary, so that when fresh cleaning solution is added there is no "fizzing"). Flush cell thoroughly with a hose-end nozzle.
Ensure that all connections and cables are fully tight, fully seated, and free of debris or damage.
Ensure that water is completely filling the Cell throughout daily operation, esp. if getting daily repetitive warnings (which typically come on later in the day, not within the first few minutes of operation).
Ensure that the controller has not inadvertently been changed to a different cell-type setting (if applicable).
Ensure that the water is within normal operating temperatures.
Power the unit off and on to confirm; if the cell is depleted, and all other issues have been resolved, any warning will come on within the first 1-5 minutes or so of turning the unit on.
If all of those bullet points check out, and the only remaining item is that the cell has been used for a number of years, then it is possible that the cell is getting near to the point that it will need to be replaced. The cell should be used until finally you get a solid LED warning light for "low salt" and/or "cell maintenance", and all other listed factors have been confirmed to be correct.
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