[RE-wrenches] Fronius Primo 3.8 with State 573 error code

[Dave Lee]

Greg,

I logged into SOS.Fronius.com and entered the 573 error code for a Primo
3.8 inverter.  The diagnosis says

"Power derating because of too low ambient temperature."

Does it get too cold in Alaska?  😁

Dave Lee
ROAM Solar
San Carlos, CA


On Tue, Mar 14, 2023 at 8:12 PM greg egan via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Wrenches,
>
> I'm out of town and trying to help a customer with a STATE 573 error on
> a Fronius 3.8 kW inverter installed in 2017.  I looked on line and could
> find State codes but no "573".  Customer sent me a photo of the screen
> and it's definitely 573 so not a typo.  If anyone has run into this
> before and can provide any guidance that would be great.  Also if you
> have a current phone # for Fronius Tech support that wouldn't hurt either.
>
> All the best,
>
> Greg Egan
> Remote Power Inc.
> Fairbanks, AK
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