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 > <[email protected]> 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 >> <[email protected]> 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: [email protected] >> >> 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/[email protected]/ >> 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: [email protected] > > 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/[email protected]/ > 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: [email protected] 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/[email protected]/ 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
