:wave: Welcome to TFP!!!

According to that you have it set for 71% output ... that means it is only generating 71% of the time. Maybe you looked at it when it was not.

Although I thought it would still show a salt reading even when it was not generating.

Have you checked the manual? They are available on the Hayward website.
 
No other light lit. I have two cells and I keep one clean to rotate. Both give me the same readings. We have had our share of rain as always but I added two sacks of salt and still no reading. Changed out the nickle sized diode but still nothing. Does anyone rebuild boards or sell rebuilt?
 
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