https://www.spektrumrc.com/ProdInfo/Files/58653_SPM20000_DX20_Bulletin.pdf
RCdiy RCdiy May 19, 2018 #1 https://www.spektrumrc.com/ProdInfo/Files/58653_SPM20000_DX20_Bulletin.pdf
Bricks Master member May 19, 2018 #2 It has to do with some wires that are rubbing against the gimbal, they were not routed properly.