Are you saying each module has, for example, a positive factory H4 lead and
a negative factory MC4 lead?

I definitely know of H4 problems, both mated with H4s and mismatched.

Brian Mehalic
NABCEP Certified Solar PV Installation Professionalā„¢ R031508-59
National Electrical CodeĀ® CMP-4 Member
(520) 204-6639

Solar Energy International
http://www.solarenergy.org

SEI Professional Services
http://www.seisolarpros.com



On Wed, Sep 4, 2019 at 1:22 PM Kent Osterberg <k...@coveoregon.com> wrote:

> I've recently been looking for the cause of random power drop offs to
> zero in an Enphase M215 system with LG260 PV module that was installed
> in 2013. Just one inverter in a system of fourteen has been doing this.
> Enphase suggested moving the inverter to a different PV module and sure
> enough doing that proved the problem wasn't with the inverter.
> Intermittent zero output was being caused by the PV module.  In making
> the inverter/module change I found that all the LG 260 modules in this
> system have one MC4 connector and one H4 connector. At present I'm
> convinced the mismatched connector is the actual cause of the problem.
> Anyone else ever notice find PV modules with mixed MC4 and H4 connectors?
>
> Kent Osterberg
> Blue Mountain Solar
> _______________________________________________
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>
>
_______________________________________________
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: 
http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Reply via email to