Kevin,
 Can you elaborate on some of the issues you’ve sen with XW Pro off grid and 
with the >V2.04 firmware versions? I have a few XW Pro units out there fully 
off-grid running newer firmware and I haven’t had any trouble— yet.

Thanks,
-Luke

Luke Christy
Renewable energy consultant

NABCEP Certified PV Installation Professional™: 

Solar Gain Services, LLC
PO Box 531
Monte Vista, CO 81144
719.588.3044
[email protected]

> On Dec 4, 2025, at 9:52 AM, Kevin Pegg via RE-wrenches 
> <[email protected]> wrote:
> 
> I’d zero in on the firmware first. Bad wiring can cause issues, but if it’s 
> actually letting the smoke out of electronics, pretty high chance it’s the 
> bad firmware that Schneider knows all about but refused to address. 
>  
> If it’s got 2.04 firmware get rid of it. Downgrade to 1.11. It’s the only 
> stable software for that system IMO.
>  
> https://www.se.com/us/en/product-range/66297-xw-pro/#software-and-firmware
>  
> My only other comment is I am seeing best client satisfaction by 
> un-installing anything Scheider made post 2019 and replacing it with a better 
> brand that just works reliably and consistently.
>  
> Kevin
>  
> From: RE-wrenches <[email protected]> On Behalf Of 
> Mac Lewis via RE-wrenches
> Sent: Thursday, December 4, 2025 5:56 AM
> To: RE-wrenches <[email protected]>
> Cc: Mac Lewis <[email protected]>
> Subject: [RE-wrenches] Off-grid Firmware XW Pro
>  
> Hello Wrenches,
>  
> I am visiting a site with an XW Pro and it sounds like it's burning up 
> appliances.  This system was installed by neighbors so it may be a wiring 
> problem but I also wonder if it may have the bad firmware that was doing this 
> (generator interaction was the problem I think).
>  
> Can anyone remind me of the proper firmware that we should run for an 
> off-grid system with the XW Pro?  How to get it?  And any other nuances that 
> I should be aware of?
>  
> Thanks in advance!
>  
> -- 
>  
>  
>  
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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