Step by Step Tutorial How to Fix Ninebot Max G30 Error 14 & 15

The root cause of Ninebot Max G30 Error 14 (for throttle) & 15 (for brake) is that: the display unit cannot detect the connection between the throttle or the brake, then it shows the error 14 or 15, so the solution is simply to reconnect them. This tutorial teaches you how to fix this issue within 5-10 mins. Highlights 00:21 Remove the display cover 00:32 Take off the display 00:37 Identify different cables 00:48 Reconnect the cable (for throttle and brake) 01:07 Fasten the connection 01:19 Install everything back