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Axpert Max II Twin 11kW charging current weakening

Br999
in Inverters

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Hello everyone, I have an Axpert MAX II 11K Twin, and with the return of autumn I reconfigured my inverter to increase the charging power to take advantage of the slightest ray of sunshine. I set it to 150A (I know it's a lot and it would be better to stay lower).
In the spring when I set 150A my smartshunt indicated 143A (we are already far from 150A), but now I no longer exceed 139A on the smartshunt, yet the inverter still displays 150A. What could be the cause of this drop? Is there a way to adjust/calibrate the current?
The inverter remains below 50°C at 10.8Kw of power.
Thank you for any help or information on this subject.

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