DaveUm
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Nissan EVSE not functioning

Nissan EVSE that came with my 2022 Leaf works fine in 120V outlet in parking garage. But when plug into newly installed (by licensed electrician) Level 2 outlet, after about 10 seconds the Fault light comes on and the the middle light (Power) light blinks. Ready light is still green. The outlet is 208V, which electrician said is standard in apartment buildings in Wisconsin. Trying to figure out if this is a bad EVSE, bad wiring, incompatibility with Nissan EVSE (which says 240V not 208v) or something else. (First time poster. I've seen a few comments on this but no resolution). Thanks.
LeftieBiker
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Re: Nissan EVSE not functioning

The Nissan dual voltage EVSE doesn't work with 208 volts, unfortunately. It works fine on 110-120 volts. There are quite a few inexpensive aftermarket EVSEs that will work happily on 208 volts. Others will chime in with recommendations on them.
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DaveUm
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Re: Nissan EVSE not functioning

Thanks, I will await recommendations on that from others.
LeftieBiker wrote: Sat Nov 20, 2021 1:20 pm The Nissan dual voltage EVSE doesn't work with 208 volts, unfortunately. It works fine on 110-120 volts. There are quite a few inexpensive aftermarket EVSEs that will work happily on 208 volts. Others will chime in with recommendations on them.
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knightmb
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Re: Nissan EVSE not functioning

DaveUm wrote: Sat Nov 20, 2021 9:34 am which electrician said is standard in apartment buildings in Wisconsin.
I don't know about Wisconsin specifically, but 208V is usually standard for a business and not residential when it comes to running high power motors for industry. But as has been already said, the 208V won't work because it's not a single phase like 240V.
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henrydehoja
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Re: Nissan EVSE not functioning

As mentioned, 208V will not work for the EVSE provided by Nissan. Based on the Nissan Leaf manuals, that EVSE requires the following voltage ranges in order to work properly.
L1: 110-120V
L2: 220-240V

I don't have that voltage issue, so the Nissan EVSE has been working fine for me. Although, earlier this year I bought and installed an Aerovironment (AV) EVSE from Webasto overstock; that unit works on 208V-240V; it is my main EVSE and the portable Nissan one is now a backup.

Depending on your budget, you may want to look at wall-mounted or portable EVSE units that will work with 208V. Some common brands include Webasto, ClipperCreek, Grizzl-E, JuiceBox, OpenEV. Others can chime in with more brands.
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goldbrick
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Re: Nissan EVSE not functioning

knightmb wrote: Sat Nov 20, 2021 3:13 pm208V won't work because it's not a single phase like 240V.
Interesting thought. I always assumed the problem was the lower voltage and the unit just shut itself down but maybe you're right and the issue is really the relative phase of the two inputs.
nlspace
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Re: Nissan EVSE not functioning

How many terminals and which NEMA connector is in the outlet? And which NEMA connector is on your EVSE?

208vac is the line-to-line voltage of a 120Vac 3-phase system (e.g. 460 or 240 to 120 stepdown wye transformer). There is 120vac between any line and the center tap neutral which normally connects back to earth ground at the breaker box.

The EVSE does two checks for the presence of earth ground and the function of the ground fault interrupt circuit.

i suspect there is a missing earth ground or incompatible connectors.
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Re: Nissan EVSE not functioning

I have a properly-wired 14-50 receptacle at my workshop garage and have confirmed that the Nissan dual-voltage portable EVSE that came with my 2019 SL Plus will start to charge and then stop after a few seconds on nominal 208 volts which usually runs at about 212 volts (like the original post describes). The Nissan EVSE works fine when plugged into the 14-50 receptacle at nominal 240 volts at my house so there is nothing wrong with the EVSE. I have a Clipper Creek unit at my workshop garage that works fine on 208 volts single phase. To be clear, a 14-50 receptacle on a 208-volt system is a true single-phase source derived by using two phases of a 208Y/120-volt three-phase system.

In order to use the 208-volt 14-50 receptacle, you will need another EVSE. There are numerous units that will work such as Clipper Creek, AeroVironment (may still find some on close-out), and Grizzl-E.
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Re: Nissan EVSE not functioning

Thanks for that GerryAZ. I guess I forgot my high school trigonometry lesson that the sum of any 2 sine waves of the same frequency is also a sine wave of that frequency. So the 2 legs of the 3-phase WYE simply yield a 60Hz sine wave with a 208 RMS voltage. For some reason I thought it would be distorted somehow but now that I think about it, that's not so and it must be a voltage level issue that the EVSE doesn't like. That is, unless there is something different about the neutral connection on a 3-phase WYE vs a 120/240 split phase. In that case I would expect some sort of ground fault error but I don't remember anyone mentioning that when the issue of an EVSE not working on 208 came up.
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knightmb
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Re: Nissan EVSE not functioning

GerryAZ wrote: Sun Nov 21, 2021 3:13 pm In order to use the 208-volt 14-50 receptacle, you will need another EVSE. There are numerous units that will work such as Clipper Creek, AeroVironment (may still find some on close-out), and Grizzl-E.
I guess I've never read otherwise, but that means the OBC handles 110V, 120V, 208V, 240V just fine, it's just a matter of getting the power to the Leaf? That should make sense, I do remember something about how some L2 only charge at 5 kW and others would do 6 kW because of the voltage difference for 208V vs. 240V.
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