Response to Hi, I received the board and have installed. looks like it is functioning, but the display is off. I referred to the manual and used the diagnostic button but it will not change.The display shows 4.7?? not 2400-3700 Also when I turn up the % the over chlorine lights steady and the display shows sh1? . Reset and turn down % and it works fine? Not sure if all is working? Please help

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