Why Is My Salt System Not Generating Chlorine?

Why Is My Salt System Not Generating Chlorine?

This guide explains the four most common reasons your pool’s salt system is not generating chlorine. We also cover the best ways to troubleshoot those causes.

4 Most Common Reasons a Salt System Is Not Generating Chlorine

  1. Low Flow
  2. Too Low or Too High a Salt Level
  3. Old or Dirty Salt Cell
  4. Water Chemistry Imbalance (Stabilizer)

Related Articles – How To Know When a Salt Cell is Bad – General, Diagnosing and Troubleshooting Your Hayward Aqua Rite System

1. Low Flow Fault 

  • Look for Low Flow Error Code or Fault Lights to be illuminated
  • With the pump running, inspect the pump strainer for large air bubbles/pockets in the lid
  • Check filter pressure gauge, for a higher than normal reading.
    • Backwash your DE or Sand filter, or clean your cartridge.
  • If cleaning the filter does not work, try bypassing the filter media. Use the filter’s valve recirculate setting, or remove the filter cartridge from the tank.
    • If this corrects the low flow code, it’s likely time to change your sand or deep clean / replace the DE grids or cartridges.

Related Articles – How To Determine the Cause of Low Water Flow, How to Correct Low Water Pressure in Your Pool System

2. High or Low Salt

  • Confirm the generator’s salt reading, by using salt test strips or getting water sample tested at a pool store.
    • Use the My Pool Dashboard to calculate the amount of salt needed to reach the desired salinity level.
  • if the water tests differ from the cell’s reading, skip to the Inspect Cell Section in this guide.

Related Articles – How To Reduce the Salt Level In Your Pool, How to Add Salt to Your Pool, How To Recalibrate the Salt Level on a Hayward Aqua Rite, How To Recalibrate the Salt Level on a Pentair Intellichlor

3. Inspect Cell

  • Inspect cell plates for calcium scale build-up or corrosion.
  • Clean cell using muriatic acid.
  • If the muriatic acid soak does not clear the fault code, you’ll likely need to replace the cell.

Related Articles – How To Clean A Salt Cell, How To Clean a Hayward AquaRite Turbo Cell, How To Clean a Compupool Salt Generator Cell, How To Clean a Jandy AquaPure Ei Salt Chlorine Generator Cell

4. Stabilizer (Cyanuric Acid) Level Is Too Low

  • Use pool test strips to measure your water’s stabilizer level
  • Calculate how much CYA is needed to reach desired 60-80 ppm range, using Inyo’s Cyanuric Acid Calculator feature.

Related Articles – Water Chemistry For Saltwater Pools,

Do you have any topics you’d like covered in our Pool Care Basics series? If so, feel free to leave a comment down below with any questions you’d like answered.

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