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Old 04-02-2019, 09:23 AM   #1
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strange gfci problem


In my house (built less than 3 years ago), I have 3 outlets on a single switch in my kitchen and a smart home relay. All the way across the house on a different circuit, I have a GFCI protecting a number of switches/outlets in my bathroom. These are 2 different and seemingly unrelated circuits but a problem started recently when I turn on the 3 outlets, the GFCI outlet either rattles (like it's on the verge of popping) or it trips outright. When the GFCI outlet is tripped, the 3 outlets work just fine. The GFCI circuit does have a separate smart home relay and a smart home switch but the state of those devices doesn't seem to have any bearing on the situation.

I *think* this started after a thunderstorm but am wondering if anyone has any idea for things to try to resolve this situation.

Thanks!
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Old 04-02-2019, 02:12 PM   #2
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Re: strange gfci problem


Home warranty?
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Old 04-02-2019, 03:33 PM   #3
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Re: strange gfci problem


It was only a year and not the biggest problem we have - that being the roof vents they installed incorrectly.
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Old 04-02-2019, 03:58 PM   #4
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Re: strange gfci problem


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It was only a year and not the biggest problem we have - that being the roof vents they installed incorrectly.
Ive always found it useful to continue coverage. Paid for itself every year we have it...
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Old 04-02-2019, 04:01 PM   #5
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Re: strange gfci problem


I would remove the smart switches and relay and replace them with standard switches and see if the problem with the GFCI disappears. If so, then you know its a bad smart switch or relay and you can go from there.
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Old 04-02-2019, 04:21 PM   #6
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Re: strange gfci problem


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Originally Posted by RAL238 View Post
I would remove the smart switches and relay and replace them with standard switches and see if the problem with the GFCI disappears. If so, then you know its a bad smart switch or relay and you can go from there.
thanks - that makes sense. will give it a shot and report back
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Old 04-03-2019, 06:38 PM   #7
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Quote:
Originally Posted by PapaKlix View Post
Quote:
Originally Posted by RAL238 View Post
I would remove the smart switches and relay and replace them with standard switches and see if the problem with the GFCI disappears. If so, then you know its a bad smart switch or relay and you can go from there.
thanks - that makes sense. will give it a shot and report back
So here's what I did last night:
Removed relay from 3 outlet switch that caused GFCI to trip - problem persists
Removed smart home switch on GFCI circuit - problem goes away
Put smart home switch back and removed one of the LED power supplies (that was buzzing loudly for some reason) that the 3 outlet switch activates - problem also goes away

So I'm not sure if both the smart home switch and the LED light strip power supply got jacked up somehow in the storm but since the power supply is $10 and the switch is $40, I'm replacing the power supply as the solution.
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Old 04-03-2019, 08:07 PM   #8
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Re: strange gfci problem


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Originally Posted by PapaKlix View Post
So I'm not sure if both the smart home switch and the LED light strip power supply got jacked up somehow in the storm but since the power supply is $10 and the switch is $40, I'm replacing the power supply as the solution.

It's possible that both have some damage and are leaking current, but not enough that each by itself would trip the GFCI. But together, they leak more than 5 or 6mA, causing the GFCI to trip.



Good work on tracking down the problem!
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Old 04-04-2019, 10:53 AM   #9
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Re: strange gfci problem


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Originally Posted by RAL238 View Post
It's possible that both have some damage and are leaking current, but not enough that each by itself would trip the GFCI. But together, they leak more than 5 or 6mA, causing the GFCI to trip.



Good work on tracking down the problem!
Thanks for your help, sir! I think you're right as I replaced the LED power supply today and the breaker hasn't tripped. I still don't understand why one outlet that is on a circuit all the way across the house is impacting another one but at least my problem is solved
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