Diagnosing issue with Aquarite control pad

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Patflemming

Member
Apr 5, 2024
5
Toronto Canada
I've already searched through the forum and found similar issues but nothing quite the same as mine. I'm hoping for some help diagnosing an issue with my Acquarite control pad.

I've just opened my pool today and when switching the SWG to auto, there is a click noise, following by another click noise about 5 seconds later. After the second click, the power and generating green lights turn off. At that point there are no lights on at all. The displays always shows 3000.

I took a picture of the board and wiring.
Any idea whats happening? Is the control pad, or the cell? Could the cold water have anything to do with this?
20240510_164729.jpg
 
Patflemming said:
Can you tell from the picture that the thermistor is cracked? Is it that diagonal line running through it?
Click to expand...

The red lines definitely look like cracks. The yellow line may be a crack.

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Patflemming said:
What would burnt solder pads indicate?
Click to expand...

That is from the thermistor overheating which causes the cracking.

Running high salt levels (over 3,000 ppm), causes high amps, which causes heat in components and the board, which burns up components.
 
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