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Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 9:46 am
by LEAFer
Gudy ? Come in, Gudy. Gudy ? Are you still there ? :lol:

Still, in all seriousness, this needs to be checked, and quickly, and not monkeyed with. Yes it could simply be the contactor humming, but it could be much more serious too.

We don't want pioneers with those <...> arrows in their backs here (oops there I go too ... bad dog, BAD! :lol: )

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 10:00 am
by smkettner
Probably perfectly normal buzz of a poorly wound coil
What did AV say about it? They sure brag about their warranty so let's see what action they take.

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 10:05 am
by gudy
Ok called the tech support (which happens to be the Nissan tech support phone number), and they told me that the EVSE might make some noise, and that this is explained in the owner's manual, and that it's normal, and nothing to worry about.

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 10:18 am
by garygid
Quiet hum and loud buzz are quite different.

Which do you have?
Did it work OK at first, but then this noise "began suddenly"?
If so, the "sudden change" would tend to indicate a problem, at least to me.

I would not want either noise to be "going all night".

Please, keep us posted.

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 10:30 am
by LEAFer
Make a video to record the noise level and let us hear it ? If it's normal, fine, then we (the AV users) will be aware and forewarned. If not ... Nissan/AV can view the video and get more "diagnostic" info (kind of like it's impossible to describe a whump-whump-whump sound your ICEs making when you take it in for service).

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 10:52 am
by gudy
I'll try and record it tonight... Hopefully the iPhone will not filter the noise out.

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 11:01 am
by EVDRIVER
There may be some hum from An EVSE at a low level but if you hear it in the house far away I would be concerned unless it is mounted to the opposite wall you head is leaning against. My solar inverter hums and attached to the house but I don't hear it. Something does not sound right but after seeing the inside of an AV unit it is not a surprise. I've owned a few EVSE units and used over a dozen and non made detectable noise, there are no large power transformers in there.

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 11:06 am
by mwalsh
As a point of reference, I went out and listened to mine last night - I had to get right up on it while it was working to hear the hum it made. So if you're hearing it from across the garage, and certainly if you're in another part of the house, I'd say you've got an issue.

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 12:01 pm
by gudy
mwalsh wrote:As a point of reference, I went out and listened to mine last night - I had to get right up on it while it was working to hear the hum it made. So if you're hearing it from across the garage, and certainly if you're in another part of the house, I'd say you've got an issue.
Mine used to be totally silent ... maybe it's the current temperature / climate ...

I'll have to check the owner's manual, and see what they say about it there ...

Re: AV EVSE ... not silent anymore

Posted: Wed Jan 12, 2011 12:06 pm
by Boomer23
mwalsh wrote:
Boomer23 wrote:Gudy, you have a warranty on that AV EVSE and mwalsh posted that he'd been told that one of their EVSEs caught fire a while back.
Oh gosh, no....not caught fire....I was told that one melted down some.

Don't want AV's lawyers calling me to find out why I'm making libelous statements about their products! :?
Sorry Mike, didn't mean to misquote you. Although melting down is one baby step from causing a fire, IMHO.

Understandable that you want to keep away from AV's bad side. Here's an article about the military side of their business. You don't want your home targeted by one of their drones. :lol:

http://www.latimes.com/business/la-fi-d ... 6129.story