Eco-Worthy 48v server rack not working with EG4 3000 48v inverter

[gquezada1]

I just purchased a re-furbished EG4-3000EHV-48 , I think it's a V1. A paper in the box said it was refurbished and FW updated last Aug 2025. I was going to purchase new but balked after the recent price increase.

I configured the unit with an Eco-Worthy 51.2V server rack battery and without solar input; plan to use it in a Time Of Use ( TOU) configuration where batteries charge at night when electricity is cheaper in my area.

After selecting "LI 2" under setting 5. my unit communicates with and charges an Eco-Worthy 48V server battery (really a 51.2V ) to 100% from AC but will not invert from the battery. It will invert only if I select "user" in settings 5. but again , will only charge if set to "LI 2" under setting 5. I did not see a choice for "LI 5".

A USB to RS485 cable came with the unit and I plugged it to the RS485 port of the Eco-Worthy battery. With the section 5 setting in "LI 2" If I disconnect it, the LCD display throws an error 19 and it goes away after I plug it back in. No error in "user mode" but I think it' s not looking then.

Any help will be greatly appreciated.

Thank you,

George Q.

 

[12VoltInstalls]

help will be greatly appreciated

Will it charge and discharge in “USER?”
That’s what I’d do.

As far as “LI2” versus USER, i don’t know EG4 programming parameters and didn’t look them up.
if it’s not charging from grid then “I” would suspect you need to refer to the manual and see if some setting is disallowing grid charging, and read the battery manual to see if it mentions a DIP switch or some other functionality to set it as a non communicating battery

 

[Jmhai3]

The battery protocols that are available on the 3000ehv are the following:

Li2 Pylon tech new protocol
Li3 Fox ess protocol
Li4 EG4 protocol
Li5 Pylon tech old protocol/Dyness protocol

Li2 would be the one to use.
If only one battery makes sure the dips are all off, if multiple batteries make sure the dip switches are set up per the battery manual not the AIO.
The AIO info is for using EG4 batteries and that protocol (Li4)

If it is a V1 EG4-3k it will have square corners (smaller size overall) on the front panel. V2 has rounded. There are pics if googled and would be surprised if they still had V1 remans available.

 

[12VoltInstalls]

If only one battery makes sure the dips are all off

Li2 would be the one to use

So if that doesn’t work, then USER would be acceptable, right?

 

[Jmhai3]

So if that doesn’t work, then USER would be acceptable, right?

That is what I am using (open loop) am running 2-EW batteries and 1-EG4-LPv1 battery in parallel.

Started with closed loop and 1-EG4 battery for a year no issues and later added the EW batteries and went open loop USER, been using for a couple months now without issue.

 

[12VoltInstalls]

went open loop USER, been using for a couple months now without issue

Thanks; so hopefully OP can utilize his system in this protocol. The connectivity if I’m understanding correctly what someone said in the past to me merely displays SOC from that connection.

 

[BarracudaBob]

I run the eco-worthy version one and version two both on the pylon protocol no problem on the EG4 3K inverter.

I have also set it for user programmable which is what I'm at now.

You're going to want to get them to the top 100% BMS reset voltage to make the SOC in balance work properly.

 

[12VoltInstalls]

You're going to want to get them to the top 100% BMS reset voltage to make the SOC in balance work properly.

That’s a fact. I adjusted my AIO (that I only use as an SCC but it’s there for the fridge if I need it for emergency in a failure) charging voltage up by 0.2V in early December-ish and it was like adding 20% capacity.
I was merely trying to balance/boost my batteries just as a maintenance thing, but my holding power (time) at “full voltage” increased dramatically. Years past I’ve needed to supplement solar in The Dark Months but I haven’t run the generator since I did that.
It made me feel like an idiot lol

 

[gquezada1]

Will it charge and discharge in “USER?”
That’s what I’d do.

As far as “LI2” versus USER, i don’t know EG4 programming parameters and didn’t look them up.
if it’s not charging from grid then “I” would suspect you need to refer to the manual and see if some setting is disallowing grid charging, and read the battery manual to see if it mentions a DIP switch or some other functionality to set it as a non communicating battery

Thank you for the help.

Yes it charges and discharges in user mode and I'll learn how to set it up.

Thanks again!

George Q

 

[gquezada1]

The battery protocols that are available on the 3000ehv are the following:

Li2 Pylon tech new protocol
Li3 Fox ess protocol
Li4 EG4 protocol
Li5 Pylon tech old protocol/Dyness protocol

Li2 would be the one to use.
If only one battery makes sure the dips are all off, if multiple batteries make sure the dip switches are set up per the battery manual not the AIO.
The AIO info is for using EG4 batteries and that protocol (Li4)

If it is a V1 EG4-3k it will have square corners (smaller size overall) on the front panel. V2 has rounded. There are pics if googled and would be surprised if they still had V1 remans available.

Mine is V1 for sure.

Thanks for the help!

George Q

 

[gquezada1]

The battery protocols that are available on the 3000ehv are the following:

Li2 Pylon tech new protocol
Li3 Fox ess protocol
Li4 EG4 protocol
Li5 Pylon tech old protocol/Dyness protocol

Li2 would be the one to use.
If only one battery makes sure the dips are all off, if multiple batteries make sure the dip switches are set up per the battery manual not the AIO.
The AIO info is for using EG4 batteries and that protocol (Li4)

If it is a V1 EG4-3k it will have square corners (smaller size overall) on the front panel. V2 has rounded. There are pics if googled and would be surprised if they still had V1 remans available.

Mine is

 

[gquezada1]

Mine is

It’s v1 based on the post.

Since I just purchased it "refurbished" from Signature Solar, I would like all the functions to work, including closed loop even if user mode works.
Thanks again!
George

 

[BarracudaBob]

Don't be afraid to bring those batteries up to 56.6V. The EG4 latest firmware for the LifePower4 opens them up and everything balances and preforms so much better. I used to baby thing and not go over 55.2V and Will would sold me for it

It caused more problems and unbalance cells. Once I got everything fixed and balanced I bring them all up (EG4 LP4V1 56.6V and E-W Rack 56.8V) by reducing the E-W rack batt down to the LP4V1 level and everybody played nicely. Then through in a Vatrer and then the Big E-W Beast 280ah.

All balanced and working great with no more effort to keep it happy.

I can search over the last year and show numerous screenshots. Once you figure it out then it is super simple to keep going. I reset the cycle count to 1 because the SOH was counting down. Capacity tested and found it was engineered obsolescence. Click on post to take you there.

Post in thread 'Signature Solar unbalanced!'

Mar 3, 2025

I found a picture of Solar Assistant and one of my LP4V1. Look at cell differential. The new firmware does help but you have to get the voltage up to at least 56.6V and hold it once a week for an hour or more to keep it balanced.

• BarracudaBob

• 
• 

 

[BarracudaBob]

The battery protocols that are available on the 3000ehv are the following:

Li2 Pylon tech new protocol
Li3 Fox ess protocol
Li4 EG4 protocol
Li5 Pylon tech old protocol/Dyness protocol

Li2 would be the one to use.
If only one battery makes sure the dips are all off, if multiple batteries make sure the dip switches are set up per the battery manual not the AIO.
The AIO info is for using EG4 batteries and that protocol (Li4)

If it is a V1 EG4-3k it will have square corners (smaller size overall) on the front panel. V2 has rounded. There are pics if googled and would be surprised if they still had V1 remans available.

Li2 Pylon tech new protocol, use the RS485 on the E-W battery. I tested it on V1 and V2 and it worked. I prefer to use open loop due to all the different battery types and capacity that I have.

 

[SignatureSolarJess]

Hi George! I'm so sorry you're having trouble! If you need any assistance, please don't hesitate to reach out to our tech team at 903-441-2090, option 3. We're here to help! You're also welcome to shoot me a DM here if you need any support or help getting connected

 

[gquezada1]

Hi George! I'm so sorry you're having trouble! If you need any assistance, please don't hesitate to reach out to our tech team at 903-441-2090, option 3. We're here to help! You're also welcome to shoot me a DM here if you need any support or help getting connected

Thank you EVERYONE for your help!

My problem was solved after updating my V1 with V2 firmware.

Turns out my "refurbished" EG4 3000 ehv-48v V1 takes and needs the latest V2 firmware. It was uploaded at Signature Solar with the latest V1 version which is pretty old.

Thanks again!

George