Hayward GLX-PCB-MAIN - Low Salt - Low Current

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petersmike

New member
May 21, 2022
2
arizona
I have a GLX-PCB-MAIN which is now not putting out the full 6-7 Amp needed to drive the T-15 Cell. I have verified the Cell - it works correctly. The Board will start with 25V range - reporting 3400 PPM then quickly drop to 1900 PPM while reporting 25.5V at 4 Amp. It did start with 6 Amp reading.
Does anyone have an idea of what is causing the board to limit the current output?
Thanks
 
Good point - to test. I found that the cell is not worn out - I actually applied 25V and 6Amp from a Bench Power Supply with Pool Water in the Cell and it worked great - Lots of Chlorine generated. I am suspecting that the current monitoring is bad - possibly the Current Sense Resistors have drifted. Does the board have a current limiting circuit?
 
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