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Did you get anywhere with your discrepancies?

If set to battery first it'll only charge and won't discharge in the time window you set. AC charge will charge the battery to the SOC you set during the time window. EV charging will use the mains.

You need to go into the settings, select battery first and then set the times you wish. This should help. https://www.energetica-india.net/articles/guidance-for-operation-modes-of-the-sph-series-inverter

Maybe. The installer hasn't had any issue with them up until now so has continued to use them.

The installer returned today and swapped over the strings. PV1 stayed at 150v when the strings were swapped so the panels are okay. It looks like an inverter issue. More investigation next week but it'll likely involve trying a replacement inverter.

I have 6 x 410w per string. It is odd there is such a difference in voltage between our systems? Scaffold is still up. Installer coming back tomorrow. 1) Will ask them to have a look at the connectors. It is interesting to me that the voltages are the same as the sun comes up and then move...

Thanks for you reply. Theres no shading - both strings are identical in size and shape and are side by side. Similarly one string won't be any different in temperature to the other. Your voltages fluctuate like one of mine. It seems from this graph you have Growatt like me so its interesting...

The strings are side by side so seeing exactly the same conditions and each string has 6 panels. You can see the voltages are exactly the same for a while and then move away from each other. In the trend below the outputs from each string follow each other but one is at times quite a bit higher...

Hi all, Would anyone who has a Growatt inverter have a look at their voltage trends for MPPT 1&2 please? My system was installed on Monday and I've noticed a different trend for each string as shown below. The string with the maxed out 150v is producing less power than the other string. The...

Hi. What does your MPPT voltage trends look like on 1&2? Mine are different - one fluctuates around 130-140v, the other is maxed out at 150v. Not sure why but the 150v string produces less power. Any help appreciated.