Pentair Mastertemp 400-Blank Screen-No Power

[Mustang33]

Touch one probe to the green and one probe to the yellow at the same time.

When the ET relay is closed wanting heat the two wires are connected together.

I was testing the wires and everything seemed to be giving all the correct responses you mentioned, so I hooked everything back up to the original layout and it began working! Not sure what happened....but we’re back in business! We can’t thank you enough for your time and knowledge. Thank you for being so patient with my incredible lack of knowledge....very humbling. This forum is incredible!

 

[ajw22]

It was a learning experience for both of us.

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