Hi great folks,
I got the common "gimbal motor overload problem" (as so many others) on my Mavic Pro (v1). What happened is that I had a hard landing on sand. Everything else seems to work fine though, the drone flies but the gimbal doesn't work. I tried repairing it by changing the ribbon and changing the whole arm, but the same problem remains. Tried calibrating the gimbal but it stops at 5%. When it starts up, it only moves the gimbal left & right and not up & down and then I get the error.
What else could I try repairing and what do you think it could be since it's moving left & right but not up and down? When I try to move it with my hand, it seems like there is no obstacle. Could it be the sensor board that the gimbal arm is attached to that needs replacement, some other cable? Would appreciate if anyone with experience could shed some light!

Video of it starting up:
https://www.youtube.com/watch?v=C0WRk1hjxpA

Hi, there. Thank you for reaching out and we're sorry to know the incident happen to your drone. I will highly recommend you to send the drone to us for diagnostics. You may refer to the link below to contact our designated team. We will conduct an evaluation to your drone for us to find out what would be the possible reason for the problem and then the corresponding resolution will be provided. Please note that DJI will not provide a warranty repair for cases occurring after the expiry of the warranty period; otherwise, valid charges will apply. Thank you for your understanding. Best Regards!

https://www.dji.com/support