[Bug]: Solax 3X 10.0 kWp - G2: Modbus Error when trying to modify "Change Use Mode) Since Update to 2024.05.7 about homeassistant-solax-modbus

[wills106]

Have you checked the SolaX - FAQ or can you change other parameters ok?

[Alfred99-HA]

yes I did read the FAQ but could not find any hint to solve the problem.
Furthermore I updraded to version 2024.08.08 by deleting exisitng version first and installing completely new. The behaviour ist still the same. However in addition to the same problem now I lost the price information in the energy dashboard for the time before the new installation.

Looks like same as #992 and #993
Hope for a fix and any hint for reestablishing price for historic energy values

[fastsonic]

i also can´t change my Storage control switch. SOLIS. I do my last upgrade some days ago and a automation that switch from Selfuse to grid and Back hangs with error on Modbus. Also my Modbus Device EW11 Elfin freeze in some Szenarios and i have to reboot the Efin. Will check logs and jump back to an older Version.

[Alfred99-HA]

I was hoping the issue has been solved in 2024.08.09, in particular since retries for modbus have been increased. However problem is still there and others have the same problem as can be seen in contributions to this issue and also issue
#998

as far as lost energy prices are concerned I got a hint to reestablish this with https://community.home-assistant.io/t/custom-integration-to-import-long-term-statistics-from-a-file-like-csv-or-tsv/689793 . I will do this after the problem is fixed in case another delete and new install is necessary and data would be lost again.

[Alfred99-HA]

I am using now version 2024.08.11 and the issue described is gone. Controlling values is again possible. Thus I will close the issue. Others who might still have the problem - there are similar issues or need to open a new for the version 202.08.11