This is a PSA for Enphase installers. There is a known issue with new systems that have a mix of two firmwares out of the box. The last few systems we have installed had microinverters from different batches with the below two firmwares. It causes all of the r06 microinverters to intermittently stop producing power. The solution is to update the firmware on all microinverters, but customer service needs to escalate that request to engineering to make that happen. They have been turning around resolutions within 24 hours, in my experience.
521-00005-r05-v02.48.01 521-00005-r06-v02.61.01 So, if you see several microinverters not producing power or not as much power as others, check the firmware in your Device List in Enlighten Manager. FYI, don't rely on the "assembly part number" because sometimes they can be the same, but still have different firmware out of the box. So far, I have seen this issue on IQ8M and IQ8A. Jason Szumlanski Principal Solar Designer Florida Solar Design Group
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