EVSE showing open ground

7606 Views 11 Replies 8 Participants Last post by Sean-a-Tron, Jun 11, 2017

southhavenjen

Discussion Starter · Jun 1, 2017

I bought a 2017 Volt Premier two weeks ago and am having some problems with my EVSE. We own two homes and have had the EVSE refuse to charge at both locations due to open ground. We solved the issue at our main home by replacing the outlet.

At our second home, we have a detached garage that is two years old. The EVSE shows open ground in any outlet we try to use in there. A plug-in tester indicates the outlets are grounded properly. We replaced an outlet in the new garage, since that helped at the other house, but it still does not work. I can run a heavy extension cord to the main house and the EVSE works fine.

Thoughts? Is it possible my EVSE is too sensitive?

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emartin00

· #4 · Jun 1, 2017

Have an electrician come and check to ensure you have a proper ground connection between the house and garage.
Does the garage have a sub panel, or is it just 1 wire for lights and outlets? If it's just 1 circuit, I would be a bit hesitant to charge on anything other than 8 amps.

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