birdibird

Thanks, I will keep an eye on it

It it's when the battery is 100% charged then it's expected that the battery doesn't get charged, but there is a bug in many of the latest firmwares such that solar doesn't help power the loads either. Does that sound the same? No, the solar was powering the loads but not charging the batteries. Except that it's kind of opposite to 69: 69 says the battery is full, don't charge; 71 says the battery is empty, don't discharge. 71 doesn't really imply if battery is empty, does it?... It wasn't empty anyway as it was 58% Was the reset about 6pm, when the solar stopped following load, or just before 7pm, when solar charging jumped up? I'm guessing the former, with the sun coming out from light clouds before 7pm. Impressive to have sun till 8:30pm, BTW. Even with daylight saving (so it's really 7:30pm as the sun moves relative to the earth). Do you know what the battery SoC would have been at 6pm? It looks like the battery was at near 100% since the start of the graph (9am), since the solar power tracks the load. But if it wasn't 100%, then that's the problem, right? at 18.15 my acquaintance restarted, but one inverter gave code 81 so she restarted both again at 18.43. That's why you see then suddenly more solar power at that time. We are in Spain on summertime, but the time zone is wrong here. If you look at the maps Spain actually should be in the same time zone as England, but Franco preffered to be on the same time as Berlin back in the days..... 😉 So it is actually 6.30pm..... (That's also the reason Spanish people have lunch at 2 - 3 pm, lol) The SoC was 58% at that moment. I flashed both inverters back to 45.07, but left them on display 12.13. We noticed the bug started after a use which exceeded the solar power. As small test on the 45.07 firmware with an electric oven yesterday afternoon showed the batteries kept being charged also after the peak use and also this morning there was a peak of 4.52kW use while the PV power was 2.31kW and afterwards Solar kept charging the batteries. Let's see what happens.

I have been with my and someone elses systems on firmware 90.28, but their system now 2 times had a bug that suddenly the batteries were not being charged anymore. (A 2x Max 7200 parallel system). They also had code 71 in the screen of one of the inverters (the one with the pyl bms setting and the RS485 cable to the Dyness pack). Confusingly code 71 is used twice, you can find these 2 in the manual -Firmware version not the same (this is not the case) -If battery status is not allowed to discharge after the communication between the inverter and battery is successful, it will show code 71 to stop discharging battery. (sounds like the code 69 message they canceled out in newer display firmwares) My single system hasn't had this problem. In the graph below you see we cold restarted the inverters in the evening and charging started again. I am going to downgrade the 2 parallel Maxes to the 45 series firmware and see if this happens then.

Thanks. Do you have a link to it? I don't see it in the files section. edit: never mind, I found it in the 90.28 zip

Anyone has a link to the 12.13 version and know what changed?

I am a Solar installer working mostly in the south of Spain I'm interested in trying this out. I have all the cables. I have here a: 7200Max 5048MG (MKS II) King 5048MGX (MKS III) and pylontechs

Haha, I just flashed your beta 71.80d firmware, and now saw this. I am setting up a system with 3 pylontech US2000 and a 5048MK and made the RS485 cable according what @Wilfred forwarded from Pylontech. I will flash the new 71.86 now 🙂 edit: done @Coulomb Are you planning to make a patched version? edit: fyi my MK that I received recently came with fw 71.80 and display fw 02.00

Try to flash the new firmware 71.71 posted here: https://powerforum.co.za/topic/4288-axpert-inverter-switching-to-battery-power-at-midday/?do=findComment&comment=62685

I flashed firmware 71.71 and all went fine. My first impression is that it charges the battery longer than before having setting 32 on auto.

@Kawaman: Why do you recommend me to contact an agent? @Centurionsolar posted a link to a upgraded firmware for the Axpert MKS II which is in my understanding the same machine as the 5048MG. I am just double double checking with you guys if that is correct before I flash it. 😃

This is good news, thanks @Centurionsolar I've got the MPPSolar 5048MG (@71.40) so I guess can flash this Axpert MKS II 71.71 firmware, correct? @Coulomb: I would really appreciate (and with me some others I know with a 5048MG) if you could patch this firmware! 😎 (also birdibird on AEVA)