If the fan fails would there be an error message? As always, I looked this up before posting. The manual is not clear on the matter.
William Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com CA Lic. 773985 -----Original Message----- From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of MDElectricSolar via RE-wrenches Sent: Tuesday, April 23, 2024 6:58 AM To: RE-wrenches Cc: MDElectricSolar Subject: Re: [RE-wrenches] PV/Charge Controller Troubleshoot Help It may be the fan. I had an FM 80 where the fan went bad that caused very limited solar production throughout the day. Michael D Nelson MD Electric & Solar, Inc. 707-684-0064 mobile 707-884-1862 office www.mdelectricsolar.com www.facebook.com/mdelectricandsolar > On Apr 23, 2024, at 6:54 AM, jay via RE-wrenches > <re-wrenches@lists.re-wrenches.org> wrote: > > HI Jim, > > The CC is sure suspect. > You didn’t mention what the battery voltage is. > Those CC have a hard PV watt input limit. > > You can try and set it back to factory default and then reprogram, > sometimes that works. > > I don’t use the FM-60, but always the FM-80 because of the fan > replacement. the 80 takes 3 minutes, the 60 takes 2 hours. > > jay > >> On Apr 23, 2024, at 6:00 AM, Jim Gowdy via RE-wrenches >> <re-wrenches@lists.re-wrenches.org> wrote: >> >> I'm troubleshooting the solar aspect of a small offgrid 120v outback >> system and need some opinions. The customer was complaining that the >> generator was running too much so I went out to their property and >> investigated. The solar array consists of 16 total panels (4 strings of >> 4). At the combiner box, I took the voltage and amperage reading of each >> string and found the following......BREAKER 1 (85VDC/8.87A) BREAKER 2 >> (84.5VDC/8.9A) BREAKER 3 (.03VDC/0A) BREAKER 4(85VDC/8.89A). Breaker 3 >> string was not producing and so I did a fix and then read >> (87.1VDC/8.43A). After reviewing the online monitor since that fix from >> a few days prior I'm realizing that the first day after had 4.5KWH >> production, second day had 0.7KWH production, and yesterday had 0.3KWH >> production.....sun has been out without clouds. The 60A Outback charge >> controller shows there is PV voltage, but noticed it was in "silent mode" >> a good amount of time. Charge controller is old, but all the other >> equipment was updated about a year and a half ago. I was wondering if >> there is a way to diagnose if the charge controller is bad without just >> replacing it and what does it mean when it's in "silent mode". Another >> side note is that their generator threw an AGS fault code on the MATE3 >> controller and found that the generator has problems so I ended up >> turning from "auto" to "off" >> -- >> Jim with Gowdy Electric >> Cambria, Ca 93428 >> business 805 927 2630 >> cell 805 975 5279 >> _______________________________________________ >> 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. 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 >> > > _______________________________________________ > 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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