Original > Hot Tub Forum
GFI Tripping
Botswana:
Thanks bud. Ironically I had watched both videos that guy produced on the topic. I just wish someone did it on actual hot tub parts so that I could clearly compare what's I need to do. For example, the hot tub pump has a ground going to the main board and a ground going to the grounding bar on the heater. I assume I'd disconnect both as well as the two power leads. If that's done then the question is do you clamp one end on one of the power leads and the other on one of the grounds..if so which one. These are the types things I just dont know and why I need some hand holding
bud16415:
All the grounds are common as is the motor housing. I would disconnect it all and megger from power leads to the case. 500v and resistance should be 1M ohms or more. If you get a lower resistance that allows as little as 5ma to pass it will trip the GFCI. 5ma is not much current at all.
The idea is the increased voltage should cause an insulation fault reading where 240v 120v to ground won’t fault unless say it is damp or something. Intermittent problem.
Botswana:
So in an interesting turn of events:
I contacted Watkins via phone. This gentleman was supposed to talk to a tech and get back to me. Never did. So 15 days later I called again and spoke a nice women. She did speak to her tech and even patched me to him. We discussed all the trouble shooting I have done (primary pump replaces, isolated pump 2, replaced breaker and wires, and confirmed it wasn't heater as it happens during filter session) and he agrees that it could be the main board. They are sending me a new board, preprogrammed with the newest software for free even though it's about a year out of warranty. Hopefully it fixes it but if not, he said to call back. I guess they are in the holiday spirit ;) I'll keep posted, though itll take a few months to confirm it's working right
bud16415:
--- Quote from: gmdodt on November 28, 2018, 07:20:42 pm ---So in an interesting turn of events:
I contacted Watkins via phone. This gentleman was supposed to talk to a tech and get back to me. Never did. So 15 days later I called again and spoke a nice women. She did speak to her tech and even pat her me to him. We discussed all the trouble shooting I have done (primary pump replaces, isolated pump 2, replaced breaker and wires, and confirmed it wasn't heater as it happens during filter session) and he agrees that it could be the main board. They are sending me a new board, preprogrammed with the newest software for free even though it's about a year out of warranty. Hopefully it fixes it but if not, he said to call back. I guess they are in the holiday spirit ;) I'll keep posted, though itll take a few months to confirm it's working right
--- End quote ---
That's great to hear. For you and for me down the road if i ever need some help from them. Keep us posted.
Botswana:
I'm just praying it fixes the problem. Not sure what else it could be. The heater, maybe, but it has happened on a filter session before, though it was only once. Most of the time it trips before a heating session but there's also a lot more heating sessions then filter sessions, so could just be coincidence
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