I have a Da Vinci Symbiosis e-assist mountain tandem with a Shimano EP8 motor. I have a 1 x 11 drive and I'm trying to add a Di2 rear derailleur. After I connected my derailleur to the motor and the left assist switch and right shifter switch I get an Error Code E-030. If I disconnect the...
I have a EP8 motor on a e-tandem. It was working perfectly for the last 2 months and now I can't turn the cranks that are attached to the motor shaft. Has anyone experienced this problem and what did you do about it?