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[Solved] Solar Assistant and Growatt SPH Inverter

Pembrae

New Member
Joined
Jul 29, 2024
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2
Location
UK
Has anyone had any success changing a Growatt SPH inverter settings from Solar Assistant?

I have got Solar Assistant successfully talking with my Growatt inverter via the RS485 port and can see all the data in the Solar Assistant web page. However, whenever I try and change any of the inverter settings, for example Battery First Charge Rate from 100% to 50%, Solar Assistant shows the value as changed but when I go into the Shine app the values are unchanged. Solar Assistant and the Shine app are therefore showing different values for the same setting. Any help appreciated.
 
Yes, I've had my system with 1 SPH10k and 1 MOD9k running for a little over a year and can change settings in the SPH and I also use power management in SA which is very handy.
It's not in vpp mode.
I do not have anything else connected like a wifi stick.
 
Thank you for your help. It appears there is discrepancy / lag between the app, and in my case the Growatt web page, as to changes made by SA. When you check the settings using the control panel on the inverter you can see the settings being changed correctly by SA.
 

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