Info on FW version V100R002C00SPC109 for LUNA battery

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Hello, friend.

FusionSolarDG V100R002C00SPC109 version file was released on 2022-02-12.

You you can see the FusionSolarDG V100R002C00SPC109 release notes at the following link. You may not have permission to open it, but for the latest version of the package and information, you can get it by contacting the PV Center, sending an email to the following email address, describing your problem and attaching the product SN number.

Europe Email: eu_inverter_support@huawei.com   

China and Asia Pacific: solarservice@huawei.com     

Latin America: Email: la_inverter_support@huawei.com 

FusionSolarDG V100R002C00SPC109 Release Notes

1) In the case of several usage scenarios, when the energy storage and the inverter are upgraded at the same time, the energy storage is controlled by SPC104 and the following software versions. After upgrading to the new version, the energy storage is in a fault state, and the system cannot find the battery pack problem

From FusionSolarDG V100R002C00SPC109 Release Document, received from support:
Only this applies to new SPC109 version:

4.1 Resolved Issues
1）Resolved the problem that the ESS becomes fault state and battery module is
lost in SmartLogger scenario，when the ESS and inverter are upgraded together
and the ESS is upgraded from SPC104 or an earlier version.

And you should have the inverter upgraded to these minimum versions:
SUN2000L V200R001C00SPC120 This and later version
SUN2000MA V100R001C00SPC141 This and later version

I am in the scenario with SUN2000L upgraded at version V200R001C00SPC120
But upgrading the ESS from V100R002C00SPC106 to V100R002C00SPC109 fails !
Should I first upgrade the ESS to V100R002C00SPC108?

I did, they told me just to check the cable between inverter and battery. Not much help...
First of all, there is a good connection/cable in place, the whole system works fine as the battery is seen by the inverter.
And, secondly, with the same cable, previous upgrades (from SPC102 to SPC104 and from SPC104 to SPC106) were successful.
Now, from SPC106 to SPC108 or SPC109 it fails
Shouldn't they look at the logs to see were the problem is?