Honest Question, what is an MCU board and how to tell what version it is?
On Tue, Oct 4, 2022 at 4:51 PM Jay via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Hi Chris > > The 1.1 MCU issue might have been known but they did a horrible job with > my buddy. > > 7 x MCU 1.1 boards > 1 replacement inverter to fix a failed inverter turned out to be a > warranty unit that wasnt fixed and of course didn’t work. > And again this system was designed with their approval, and the loads are > exactly as he told them and web connected > > After months they finally coped to the issue with 1.1 and got him 2 new > units with 1.2 boards after trying 1.2 boards in the older units which > didn’t work probably due to other damage. > > They are still trying to get him to pay $1500 for the inverter failure > which was under warranty, it’s been 2 months and still not resolved. > > Total time of the project and issues 6+ months. > Number of field trips 15+ > Hours per trip 5+ > Payment for those trips 0 > > While it’s been good to hear all the positive reviews here, what my buddy > has gone through gives me huge concern to give them my money. > > Jay > > > > > > On Oct 4, 2022, at 5:05 PM, Chris Sparadeo via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > > > > Hi Jay, > > We have 50+ Sol Ark’s deployed and have just recently RMA’d our first unit > for a failed grid input relay. Only failure so far and tech support was > awesome throughout the process. > > I have been very impressed with the 15K unit. We have dropped some serious > inductive motor loads on it with no issue. > > My understanding is that the MCU glitch with paralleled units was a known > issue with the 12K, and has since been resolved. > > Kindly, > > Chris > > On Fri, Sep 30, 2022 at 12:10 PM Jerry Shafer via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Ray. Understand but loose connections can be any product and >> troubleshooting loose intermittent issues are the hardest to correct >> J >> Funtimes >> >> On Fri, Sep 30, 2022, 9:03 AM Ray Walters via RE-wrenches < >> re-wrenches@lists.re-wrenches.org> wrote: >> >>> One thing I can say: trouble shooting problems over the phone has its >>> limitations. I had a customer issue with a system we hadn't installed that >>> was quite vexing. Turned out to be a loose main DC connection to the >>> inverter. Bizarre behavior as the connection heated up and the resistance >>> varied. >>> >>> Ray Walters >>> >>> On 9/30/2022 6:57 AM, Jay via RE-wrenches wrote: >>> >>> Hi all and thanks for the input. >>> >>> I guess he’s just been unlucky with the problems ( firmware upgrade >>> switching to 50hz) and possibly just some random bad hardware. >>> >>> In regards to your thoughts of a install issue, he has spent a lot of >>> time with sol ark reviewing everything. Loads, wiring, they have been >>> monitoring all the data, photos, video etc with everything coming up >>> correctly installed, wired, and loads. >>> >>> this system is an upgrade for an older XW ( 6kw units) system which >>> worked fine. The customer wanted better monitoring, more kw, expansion >>> capabilities and newer tech. >>> >>> Weird >>> >>> >>> >>> >>> >>> >>> >>> >>> On Sep 29, 2022, at 9:50 PM, pieter offgridenterprises.org via >>> RE-wrenches <re-wrenches@lists.re-wrenches.org> >>> <re-wrenches@lists.re-wrenches.org> wrote: >>> >>> >>> >>> We have dozens of Solark based installs and have had excellent results. >>> All of our system have multiple parallel Solark inverters and have operated >>> with out issues. On the rare occasion that we had commissioning questions >>> our experience with Solark technical support has been outstanding, they >>> have by far the best technical support in the industry. Although Solark >>> helped design the system in question I suspect that there must be some >>> finer points that were not shared with Solark, a load side wiring problem >>> or perhaps an installation error that is causing the repeated failures. I >>> suggest that your friend gets a fresh set of eyes on the system and look >>> for that oversite we have all made and just can’t seem to see it on our own. >>> >>> Pieter Huebner >>> >>> Off Grid Enterprises >>> >>> >>> >>> *From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> >>> <re-wrenches-boun...@lists.re-wrenches.org> *On Behalf Of *Jerry Shafer >>> via RE-wrenches >>> *Sent:* Thursday, September 29, 2022 10:25 AM >>> *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org> >>> <re-wrenches@lists.re-wrenches.org> >>> *Cc:* Jerry Shafer <jerrysgarag...@gmail.com> <jerrysgarag...@gmail.com> >>> *Subject:* Re: [RE-wrenches] sol ark reliability question >>> >>> >>> >>> Wrenches >>> >>> Solark issues, I have them living off grid, 3 phase and grid tied back >>> up, both AC and DC coupled with only one intermittent comms issue, does not >>> seem to have any more issues than OB and less than Schnieder, all are >>> connected to Fortress 18.5's or Blue Planet BMS interface seems hardy, >>> >>> Would be good to know what issues he is having to accurately help >>> >>> Jerry >>> >>> >>> >>> On Thu, Sep 29, 2022 at 7:01 AM jay via RE-wrenches < >>> re-wrenches@lists.re-wrenches.org> wrote: >>> >>> Hi All, >>> >>> I’ve got a question about how many folks are having issues with sol-ark >>> products? >>> >>> the reason i ask is that i’ve got a friend, a good competent installer ( >>> well versed in OB, Schneider, magnum) who’s had continuing nightmares with >>> them. >>> >>> he’s got 2 systems each on is a stacked pair of 12kw units, both offgrid. >>> >>> each system was designed by sol-ark, meaning the design was approved by >>> them for the loads/solar etc. >>> >>> He’s been through 7 MCU swaps. >>> He’s been through a field call required because the over the air >>> firmware update caused the inverters to go into 50hz and for some reason >>> that isn’t fixable via the web. >>> He had an inverter that didn’t work correctly out of the box. They >>> charged him $2500 deposit for a replacement. >>> >>> Then they charged him $1500 to fix the inverter he sent back under >>> warranty. Thats right $1500 to fix a warranty which they agreed was a >>> warranty issue. >>> Hes not going to pay but this $1500 has been going on a while. >>> >>> The inverter they sent to replace the broken one had a older MCU >>> firmware so wouldn’t stack and it took tech support way to long to figure >>> that out then they had to send him a new MCU…... >>> >>> And the list goes on. >>> >>> But Im asking, is this poor guy just an anomaly or will anyone else >>> chime in about issues?, >>> >>> Because at this point I have no desire to install one given his >>> experiences >>> >>> Jay >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> Pay optional member dues here: http://re-wrenches.org >>> >>> 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 >>> >>> There are two list archives for searching. 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When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> -- > Chris Sparadeo > > > C_802-369-4458 > H_802-728-3059 > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > 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 > > There are two list archives for searching. 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