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growatt hidden config menu please assist any clever peoples


Zimnismoboy34
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i found and have configured one parameter in the growatt menu 
accessing the menu through holding arrow up and arrow down at the same time then entering 111 should only be done by some one who knows what they are doing .
please see pics attached . These settings exist in the menu and maybe @Coulomb could assist as he is really in the know about firmware etc .

bAt is for the battery voltage offset and seems to calibrate the correct battery voltage reading .
Gf.d 
IN.4 or inv might be inv calibration
OP
PV might be pv calibation 

WhatsApp Image 2021-06-03 at 12.21.21 PM.jpeg

WhatsApp Image 2021-06-03 at 12.21.15 PM.jpeg

WhatsApp Image 2021-06-03 at 12.21.08 PM.jpeg

WhatsApp Image 2021-06-03 at 12.20.55 PM.jpeg

WhatsApp Image 2021-06-03 at 12.20.45 PM.jpeg

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19 hours ago, Zimnismoboy34 said:

These settings exist in the menu and maybe @Coulomb could assist as he is really in the know about firmware etc .

Sorry, I've had to abandon any firmware other than Axperts, and have to focus on only a few models of those. It's just too time consuming.

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