Why does my Dyson V7 stop when on Max, and work again after quick plug

Hello,

My Dyson V7 motorhead origin always stops, not pulsating, it just stops working when I set it to MAX and use it just 1 second. It stops and the blue LED blinks.

To fix it, I simply put it on charge, even just 1 second, then I can use it with the MIN setting.

It seems that the device goes into a sort of security mode, and charging it unlocks the security.

When set on MIN it works just fine, the battery last long.
I tried to clean it and to change the filters, but it still does not work on MAX.

I am wondering if changing the battery could help, however, the battery seem to hold the charge pretty well.

Any thoughts?