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Pre-IPO String Issues

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Pre-PTO Powerwall+ with 4x Powerwalls - Installed about ~3 weeks ago.

I have had to do a hard reset twice now 2 out of the 6 strings where not working once again today.

The first Powerwall+ has 4 strings
The 2nd Powerwall+ has 2 strings

2nd Powerwall+ has failed twice with the strings - have to do a hard reboot of the system shut off the panel and reboot it self to test in order for the strings to show up.
Anyone else experince this?

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What firmware version are you on? Remember I saw some threads about some issues with two PW+ communication. I had a problem where my inverter would reset and go offline at the same time everyday but was fixed in the latest firmware.