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Just confirming that I have 40VDC coming off of the surge card. Time to replace that salt cell. Thanks everyone for your guidance. :)

Internal diagnostic reports 2,000 hours....

Jim, Correct. B/R/W wires only. I have disconnected the white, restarted pump, cell cycles through its startup and lands on..... Low Salt. :( So, whether thermistor is hooked up (and reading temp correctly) or disconnected, the salt level is still not calculating correctly. :( Thanks, Lance

Hi Jim, Yep, cell is clean. Since it is oversized, it gets much less buildup compared the IC-20 it replaced. I rarely need to clean it due to buildup. Can you confirm the "cut the white" is correct for the post 2018 3 wire IC-40? Most notes I have found seem to be discussing the pre-2018...

Hi, Yes, it is clean and I cleaned it a few months ago. It has not accumulated much buildup over the 3 years(I check it about quarterly but do not always clean it due to low buildup). Obviously does not run at all during our winter few months when water temp is very low 50's and as it is...

Hi Everyone, My predicament: IC-40 only about 3 years old. It is big for my pool, so duty cycle is low. Only runs at 45-50% in summer. Started getting low salt reading. Cell is clean and had very low deposit. Salt is fine by mine and pool store verification. Salt is about 3800. Cell is...