Easysolar-II GX ESS Error in DDC Program

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jcarnouil asked Jun 2, '22

Easysolar-II GX ESS Error in DDC Program

Hi there !
I just installed an Easysolar-II GX with 2 x Pylontech US2000 batteries and have "Error in DDC program" alarm.
I added the ESS Assistant with VE-Configure but it does not appears on the GX Remote Console.
Also, on the Easysolar LCD, HUB-1 is displayed.
So maybe there is a conflit between HUB-1 an ESS Assistant ? (But I do not have HUB-1 assistant setup in VE-Configure).
Any help is welcome
Thanks in advance

PS/ Public access to my installation : https://vrm.victronenergy.com/installation/181865/share/b5dfc2b8

Multiplus-II ESS EasySolar All-in-One

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Answer 1 · 2022-06-02T15:18:28Z

jcarnouil answered · Jun 02, 2022 at 03:18 PM

I tried to "clean" the Assistants with VE-Configure and reinstall the ESS one, but the problem is the same.
I got "#6 DDC program error" alarm ..
I really don't know what can cause this error :-(

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Answer 2 · 2022-06-04T20:59:02Z

jcarnouil answered · Jun 04, 2022 at 08:59 PM

@Matthias Lange - DE or @Thierry Cortassa (Victron Energy Staff) , may be have you an idea to solve my problem ? Thanks in advance -Jean-Claude (Bergerac - France)

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Answer 3 · 2022-06-04T21:10:23Z

netrange answered · Jun 04, 2022 at 09:10 PM

Are the Pylontech Batteries correctly connected to the GX Device and shown in the Remote Console ? Correct Communication Cable ... Type A or B ... used ?

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jcarnouil commented · Jun 05, 2022 at 06:16 AM

Yes, they are well connected and they are charged by the MPPT, which is stopped because they are full. It's the Multiplus II who is in a strange state alternating between "OFF" and "UNKNOW" state.

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Answer 4 · 2022-06-05T07:35:38Z

Matthias Lange - DE answered · Jun 05, 2022 at 07:35 AM

Never saw that error.
https://www.victronenergy.com/live/ve.bus:ve.bus_error_codes

All FW up to date?

What components do you have (list all)?

Check the data wiring. Do you use DIY cables?

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jcarnouil commented · Jun 05, 2022 at 08:27 AM

Yes, all firmware up to date.

- EasySolar II GX :
-> SmartSolar Charger MPPT 250/70 v1.59
-> MultiPlus-II 48/3000/35-32 (ACOut2 switchable) v497
-> Venus GX v2,87

- 2 x Pylontech US2000C :
- VE.Can to Bus-CAN Type A Cable (with dongle on 2nd RJ45 GX side)

- ET112 meter on grid side
- Only AC In used (for now) on the MultiPlus (parallel installation)

The GX sees the Pylontech batteries BMS.
The GX does not see the ESS assistant installed via VE-Configure.

I can give you remote access if you want to take a look ?
(I've someone on site if any manipulation is needed)
Thanks !
- Jean-Claude

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jcarnouil commented · Jun 05, 2022 at 05:28 PM

I deleted ESS Assistant and now DDC Program error is gone, BUT .. there is 2 alarms :

Any idea why those alarms ?

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Answer 5 · 2022-07-05T11:02:57Z

jcarnouil answered · Jul 05, 2022 at 11:02 AM

Dear all !
One month later ... and the problem is still present :(
I've used the system without connecting the Pylontech battery's BMS for some time, but it's not a solution as the ESS does not monitor the battery SOC, and the batteries goes in alarm when discharged.
I've made last week a call to my vendor (Myshop-Solaire) but they did not respond at all ! (very bad client service this company :)

Any help is welcome, and if one want to "play" with my system, I can provide him full remote access !
(and will offer a pack of beer if you find the problem ! ;)

I began to desperate .. really !
- Jean-Claude

Guest VRM access : https://vrm.victronenergy.com/installation/181865/share/b5dfc2b8

PS/ I hope my connections are correct ? (we newer knows !)

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Answer 6 · 2023-10-12T06:17:04Z

Alex Leo answered · Oct 12, 2023 at 06:17 AM

Hi guys,did anyone find a fix for this ? I have the same problem with Easysolar 2 GX 48/5000 and Pylontech US3000C.

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Easysolar-II GX ESS Error in DDC Program

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