Original > Hot Tub Forum
GFI Tripping
bud16415:
Do you still have the first motor that was replaced? It would be interesting to put a megger on it out of the tub and see if it showed a problem or even power it up on the bench and see if it has any problems.
If it tested good and runs you could assume its not the motor and work back from there in the wiring and such.
Botswana:
I do not - I as out of town with work when the tech came and replaced it. What the tech said is that they have to send the pump back to watkins for them to check it out and if there really is a problem with it, then they get reimbursed for it. This is the reason he wouldnt replace any other parts on the tub until he could nail down the culprit. Luckily, for that initial pump, it was leaking (barely) and he could see the white water stain on the wood of the cabinet
bachman:
--- Quote from: bud16415 on November 05, 2018, 07:28:48 am ---That is the function of your GFCI breaker. That little bit of corrosion you saw was a short but the reason that didn’t turn into a meltdown and possible life threatening problem is the GFCI shuts the power off the instant it detects a short to ground. If this was wired straight to the breaker in the main panel without the GFCI in line it would have eventually tripped the 50a breaker in the panel when the heater had totally melted down in flames and sent 220v thru the tub water and the combination of paths for the electric to take had totaled more than 50a. This would have taken some time could have caused a fire in the tub or electrocuted people sitting in the water.
--- End quote ---
Yeah, pretty happy I didn't experience any shut down or tripping issues nor can I speak first hand of the previous situation.
Just speculation the on the old heater. I think there is a chance it would have been intermittent as well although that can be dictated in some cases by frequency of use, where and when water gets into things, how long it takes and the same to dry out etc...
Safety is the key though and the test button reminder is good for all.
Botswana:
Newest update is it tripped this AM. THIS TIME it still tripped when the pump tried to kick on but it was a filter session, which now kind of confirms that I dont think it has anything to do with the heat.
Seems like board or pump to me..
bachman:
Mine samples temp in that cycle I think but probably a delayed response from the pump coming on if the heat is needed.
I do think most filter cycle's are the lower pump speed and a very low amp draw. Maybe this will help further isolate though.
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