I recommend plugging it into a PC and to do a proper diagnosis via the E-tube software ! It might be that a software update is needed or that the battery is due a change.
Normal e-tube let me update everything and showed no issues, but the lbs used the pro version and said the front mech has a fault.
So - Anyone got a Di2 front mech they want to sell me?
@cjr started
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I recommend plugging it into a PC and to do a proper diagnosis via the E-tube software !
It might be that a software update is needed or that the battery is due a change.