Troubleshooting a GFCI Breaker Combo

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Old 04-11-13, 09:17 PM
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Troubleshooting a GFCI Breaker Combo

I have a subpanel that has a combo GFCI 20amp breaker which is wired to a spa. The breaker is tripping and will not reset, I think a ground fault is occurring. I know there is a way to trouble shoot this to determine if the GFCI is tripping, the breaker is tripping or if the GFCI is bad. Can anyone help me on this?

I did wire this whole circuit from my main panel and the spa itself, it has been working for several months but now it is suddenly tripping and will not reset.
 
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Old 04-12-13, 05:44 PM
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What exactly do you mean by a "Combo" GFCI 20 amp breaker? The "Combo" part has me puzzled. If you disconnect the load wires from the GFCI breaker, you can then try resetting the breaker. If it resets without tripping with no load wires, the problem is in your circuit and not the breaker. Strictly for testing purposes, you could connect the circuit to a standard breaker to check the load. If that checks out OK your problem is a ground fault in the circuit, which I suspect you have.
 
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Old 04-12-13, 08:27 PM
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In addition, you could remove the wires at the tub end to see if the tub is the problem. I suspect a bad heater.
 
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