Tuesday, 16 March 2021

MasterTemp 400 Immediately Tripping GFCI Breaker

Greetings Trouble Free Pool members.
This is my first post. I am troubleshooting an issue with my Pentair MasterTemp 400 that is immediately tripping the GFCI breaker. This started happening after a rain or heavy moisture in the air. I checked inside the heater and discovered that mice had chewed the ends of some of the wiring in the area around the terminal board. I was able to put new connectors on the areas with damage but am still experiencing the issue. I can also see where the...

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