Chris,
Sunpower has taken some responsibility on some of our older
Sunpower systems that are arc faulting. We tell them that a
system is arc faulting, and then they insist on sending up a 3rd
party contractor to inspect the system and potentially install
what they call "Tigo Diodes". I am still not exactly sure what
that is. It also seems to take them months to send anyone to
upstate NY, as we have a bunch of customers that have been
waiting months for the 3rd party contractor to come take a look.
You likely could only follow this route though if the system was
installed by a Sunpower dealer and you are a Sunpower dealer
yourself. If the original system was from a Sunpower dealer, you
can also have the customer call Sunpower directly.
Cheers,
Dave
*Dave Tedeyan, PE*
Senior Engineer | Taitem Engineering, PC
110 South Albany Street | Ithaca, NY 14850
o. 607.277.1118 x121 f. 607.277.2119
www.taitem.com <http://www.taitem.com>
Solar •Sustainability • Energy • Design
B-Corporation Best for the World 2018 Honoree
On Tue, Sep 3, 2019 at 9:43 AM Chris Schaefer
<ch...@solarandwindfx.com <mailto:ch...@solarandwindfx.com>> wrote:
Got called in by another peer to debug that infamous SMA
error 8206 on a 2 year old 5kw unit. The array is roof
mounted on composite shingles with 14 SunPower 345w
modules. First time ever seeing this error on this project.
I'd love to hear from others as to what they've found or
better yet hear from an SMA rep as to what they suggest. Not
a whole lot of detail in the SMA users manual.
Thanks,
Christopher
Chris Schaefer's
<http://www.solarandwindfx.com/>
/Tel/Fax 585-229-2083 or Cell 585-748-1870
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On Mon, Sep 2, 2019 at 12:03 PM Jerry Shafer
<jerrysgarag...@gmail.com <mailto:jerrysgarag...@gmail.com>>
wrote:
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 <frene...@psln.com
<mailto:frene...@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.chamber...@redwoodalliance.org
<mailto:drake.chamber...@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@lists.re-wrenches.org>
<mailto:re-wrenches@lists.re-wrenches.org>
To:
"RE-wrenches"
<re-wrenches@lists.re-wrenches.org>
<mailto:re-wrenches@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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/Tel/Fax 585-229-2083 or Cell 585-748-1870
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