The 190's had component issues which case them to balloon up Jerry On Sep 14, 2016 10:11 AM, "William Miller" <will...@millersolar.com> wrote:
> Colleagues: > > We have M190s fail in beach installations. Some have had the cases swell > up like there is a tumor inside. I haven't cut them open to see what's > inside because they need to go back to manufacturer. > > William > > On Sep 14, 2016, at 9:32 AM, Jerry Shafer <jerrysgarag...@gmail.com> > wrote: > > Mike > I also work near the ocean, its all around me here in Hawaii, we have had > the 190's fail but not to environmental conditions and very few issues with > 215's. Do you have any pics of the damage as l have seen very little salt > issues. > Jerry > > On Sep 13, 2016 9:11 PM, "Mike Nelson" <mdelectricso...@gmail.com> wrote: > >> I've had so many Enphase failures it's kind of ridiculous. We install >> most of our systems near the ocean so corrosion has played a big factor. >> The newer micro inverters are holding a much better, 215 and 250's. I have >> learned over the years that SMA makes the best product, and I mostly stick >> with them. Sometimes micro inverters are requested or really fit the >> installation particulars, so I still use them occasionally. I haven't yet >> tried solar edge. >> >> Michael D Nelson >> MD Electric & Solar, Inc. >> 707-684-0064 mobile >> 707-884-1862 office >> www.mdelectricsolar.com >> Sent from my iPhone >> >> On Sep 13, 2016, at 6:23 PM, Rebecca Lundberg <rebecca.lundb...@gmail.com> >> wrote: >> >> Esteemed wrenches, >> >> I'm hoping the experience of this list can help give us a broader >> perspective on the current market performance and as a secondary concern, >> tech support (or lack thereof), from solar micro-inverter manufacturers. >> >> Are others having much trouble with micro-inverters? We have had repeated >> issues with several different brands on our systems in Minnesota: >> - 8 Enphase systems with mostly M210 and M215, have had to repeatedly go >> back to sites to replace units. The new replacement ones seem to be lasting >> better (we sure hope they will). Enphase is harder to contact in recent >> years, but we're happy they at least provide a predictable stipend. Are you >> also having to replace a lot of this brand of product? Are the newer models >> holding up better? >> >> - We gave a new inverter busbar design concept a try (tenKsolar) and >> though the micro-inverters were supposed to take turns and be 'redundant,' >> the ones with APS micro-inverters needed 100% replacement and the ones with >> Lead Solar micro-inverters have a problem where if one of them fails it >> appears to send a signal to all the rest so the entire busbar stops working >> -- in action it's far from redundant. When we purchased the tenKsolar Rais >> Inverter Bus (RIB) the spec sheet didn't tell us what brand of >> micro-inverter they would use as the OEM so we couldn't research the >> viability of the product or company or warranty stipend (or lack there-of) >> of the micro-inverter OEM. We assumed it was a tenKsolar product and they >> would provide warranty replacements, service, and tech support, but our >> experience has been far from that. When something goes wrong tenK says >> 'it's not our product that's failing' because they don't actually >> manufacture the micro-inverter (it's an OEM), the micro-inverter company >> says 'it's not our product' because tenKsolar has it wired and used in a >> very unique manner specific to the tenKsolar product, so both manufacturers >> are backing away from any responsibility. A 25-year warranty on the >> inverter busbar is a great concept but if/when something goes wrong there >> is no support and no apparent warranty at all except maybe they will send >> us a new component that needs several hours of work to re-install, so >> either the installer does the warranty work for free or the customer has a >> very unexpected expense to get their system back up and running a year or >> two after it was installed; we think both scenarios are unacceptable (from >> our installer perspective :-), do any of you have experiences you can share >> here? >> >> I'm wondering if the climate in MN makes us an anomaly. Based on these >> micro-inverter experiences we feel like the Rapid Shutdown rule has forced >> us to use dc optimizers on residential applications whether we want to or >> not -- is that pretty much what all of you are doing too? >> >> Rebecca Lundberg >> >> _______________________________________________ >> 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 >> -wrenc...@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 >> -wrenc...@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 > > > _______________________________________________ > 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 > > >
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