Di2 6770 Front Derailleur Does Shift Occasionally
04-07-15, 04:51 PM
#1
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Di2 6770 Front Derailleur Does Shift Occasionally
My Di2 6770 Front Derailleur seems to have a life of its own.
Since a few days it does not shift at all. Then I took it to
a bike shop and of course it shifted directly. Then back
home it stopped again. The Battery is full and all cables
seems to be ok. Anyone any ideas what can be wrong?
Its a Cervelo S5 from 2013.
Since a few days it does not shift at all. Then I took it to
a bike shop and of course it shifted directly. Then back
home it stopped again. The Battery is full and all cables
seems to be ok. Anyone any ideas what can be wrong?
Its a Cervelo S5 from 2013.
04-07-15, 05:19 PM
#2
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Can you switch the left & right shifters as a test. My best guess is that you have a flaky connection somewhere or a switch has gone bad.
04-08-15, 02:29 AM
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The right one (back) works fine and also returns a Green Light when held done.
The left one (front), does not seem to work at all. It must somehow be a flaky
connection or Firmware or something….
The left one (front), does not seem to work at all. It must somehow be a flaky
connection or Firmware or something….
04-08-15, 06:12 AM
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I do know of someone awhile back having a similar problem and as she explained it the shop found that the when the bar was taped the connector had been partially pulled out of the shifter causing it to be intermittent. That was a couple of years ago and I don't remember what version of Di2 it was, perhaps the original DA?
