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harrier2

Pentair NT 250 won't run

harrier2
9 years ago

I tried to turn our heater on yesterday and all I got was a quick blip of 88.8, three dashed lines and then all blank. The first two green lights on the left side remained on but nothing else works. I opened it up and checked all the connections and wires but nothing looked out of place. The unit is about 8 years old and has had about everything replaced at least once. Any ideas on why it won't run?