IC 40 pentair salt cell

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So,Ic 40 salt cell is only 1 year old on ~20k gallon pool openly seasonly and runs about 10-12 hours a day. Its blinking and message says inspect cell We cleaned the cell thoroughly 2 times and its still blinking, I have phosphate level at 1600, is it true salt cell will blink and not work ( no produce chlorine) until i get rid of phosphates? I put in phosphate remover and still blinking,

Ask the Pool Guy Changed status to publish May 14, 2025
Here’s a more detailed breakdown:
  • Flashing “Inspect Cell” light:
    This means you should remove the cell, clean it, and check for any calcium deposits or buildup. 

  • Salt level:
    If the “Check Salt” light is also flashing, it likely means your salt level is below the recommended range (2800-3200 ppm). 

  • Cleaning the cell:
    You can clean the cell by soaking it in white vinegar to dissolve any calcium buildup. or a muriatic acid/water solution.

  • Cold water:
    If the water temperature is below the recommended range, it can affect chlorine production and trigger the “Inspect Cell” light. 

  • Failing cell:
    If the cell continues to flash even after cleaning and with proper salt levels, it might be failing and need replacement. 

  • Diagnostic mode:
    The IC40 has a diagnostic mode where you can see how much of the cell’s life has been used and check the water temperature. 

Ask the Pool Guy Changed status to publish May 14, 2025

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