[RE-wrenches] Ideas and help please. Solar Edge nightmare

Dave Angelini Offgrid Solar offgridsolar at sti.net
Wed Jul 10 15:42:44 PDT 2024


You are talking about the LG RESU10  H   right?

Dave Angelini Offgrid Solar
"we go where powerlines don't"
    [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridsolar at sti.net
text 209 813 0060

On 2024-07-10 3:20 pm, Peter Giroux via RE-wrenches wrote:

> Hi my fellow wrenchers, need some help with an older SolarEdge Storedge 
> system.  System has  14 kw solar, two 7.6 Storedge inverters and each 
> inverter has one LG RESU 10 battery. System was installed 6 to 7 years 
> ago and has worked great until the LG's started acting up. LG replaced 
> them and in the interim one of the 7.6's went down. SE replaced it. 
> Everything has been up and running for 12 months, SE did all the 
> required firmware updates, batteries and inverters when we finished 
> replacing batteries and inverter.
> 
> So, the problem is the system comes out of program every 3 to 5 days 
> and luckily my customer knows how to reengage it and reprogram the 
> system ( total consumption ). We have been calling SE Support for 
> months and it hit a peak two weeks ago. They are telling us we need 
> shielded 600Volt CAT5 twisted pair wire for all the comms. We have 
> shielded cat non twisted pair, the wire they had us install 6 years ago 
> ( which has worked just fine. When I asked the tech do I use one or 
> both of a twisted pair he said just one. I asked what is the difference 
> from the wire we are using if you are asking us to use just one of each 
> twisted pair. They could not answer and when asked to get a more senior 
> tech they said until we had shielded cat 5 twisted pair installed we 
> could no longer speak with them.
> 
> I found some 600 volt, shielded cat 5 twisted pair and installed one 
> section, from one inverter to it battery. Took forever to separate the 
> twisted pair, strip one and insert it. System is now Buggier than it 
> was.
> 
> The tech could not explain why the system has worked well for 6 years 
> with the shielded single wire and after replacing a inverter and the 
> batteries it is now throwing the programing, just demanded the 600 
> volt, cat 5 shielded wire.
> 
> So folks, my apologies for rambling by both my customer and I are at 
> our wits end. We have reached out to the head of tech support but only 
> crickets. Any and all help or ideas appreciated.
> 
> Thx
> 
> Peter Giroux
> 
> American Solar
> 
> Norcross Ga
> 
> 678 525 0468
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Links:
------
[1] http://members.sti.net/offgridsolar/
[2] https://offgridsolar1.com/
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