Re: [RE-wrenches] Fronius Primo 3.8 with state 573 error code

Bill, I've been in touch with Fronius on this.  It is listed as a "low temp" error code.  I got sick and the inverter/system is generating power as it should now so I'm just now following up. The Primo 3.8 has been running for 5 years and I'm sure has seen some cold temps but it was ~ 0F the d

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

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-wren

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

Greg,             My Fronius manual goes up to a code 517 but no "higher".  I assume you're talking about an "IG".  The last Ph # I used for them was 810-220-4414. Bill Feather River Solar Electric Bill Battagin, Owner 4291 Nelson St.(shipping) 5575 Genesee Rd. (USPS, UPS) Taylorsville, CA 9

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

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