if you soldered the wires to the board you don't need to do that.
However where the cables plug into the board, Those connections NEED the silicone to keep from vibrating lose in flight.
Your errors are not from the arm. However the motor with...
So as you mentioned 3No and 4No errors doesn't mean gimbal? so 2 errors can be due to 1 arm? I'm also trying to find a way to test the motor without disordering, if possible, never done that before, is there a way?
Thanks for your reply. its error 3No. and 4No. always thought these are for motors, but guess I was wrong.
I bought a for repair only drone through ebay. It was just an led on one of the front arms that wasn't working so I relaced it (used...