Pentair Mastertemp 400-Blank Screen-No Power

Mustang33

Silver Supporter
Mar 20, 2021
20
DFW/Texas
Pool Size
17000
Surface
Plaster
Chlorine
Liquid Chlorine
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!
 
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Reactions: Pesh and JamesW

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
26,458
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
It was a learning experience for both of us. :goodjob:

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