[RE-wrenches] SMA phantom arc faults

[Jerry Shafer]

Wrenches
I have had chiller pump contactor along with wells, shop air compressors
all create enough of an arc to trigger the inverters. ABB inverters only
pick up off the DC but even there l had arc welders trip the inverters.
Jerry

On Mon, Sep 2, 2019, 8:14 AM frenergy <frenergy at psln.com> wrote:

> Interestingly, the problems I've had with the SMA -40 AFCI faults have
> been on Comp roofs.  When I've gone "inside" a -40 with my laptop, I'm
> pretty sure I've seen where you can disable it?
>
> Bill
> On 9/2/2019 7:12 AM, drake.chamberlin at redwoodalliance.org wrote:
>
> At least with the TL-22s, the AFCI function can be turned off. You need a*
> Web connect speed wire module*. .I don't know if this same protocol will
> work for the TL 40s or not.
>
> Metal roofing can apparently be affected by radio waves and by other
> factors that create a disturbance that can trigger the AFCI.The TL 40 was
> supposed to overcome this problem.
>
>
>
> ----- Original Message -----
> From:
> "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> <re-wrenches at lists.re-wrenches.org>
>
> To:
> "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> <re-wrenches at lists.re-wrenches.org>
> Cc:
>
> Sent:
> Sun, 1 Sep 2019 07:42:14 -1000
> Subject:
> [RE-wrenches] SMA phantom arc faults
>
>
> Aloha all,
>
> My company has really been struggling with the SMA US-40 line of inverters
> and incredibly disruptive to positive customer experiences bogus arc
> faults.
>
> We were told by our SMA friends that a firmware update/fix was forthcoming
> in mid-August and we’ve heard nor received nothing last month.
>
> Does anyone know anything as to where they’re at on this?
>
> Really frustrated....
>
> marco
>
>
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> --
> Feather River Solar Electric
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