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 Post subject: Re: Dead Di2
PostPosted: Tue May 01, 2012 2:44 pm 
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Joined: Tue Sep 16, 2008 11:20 pm
Posts: 77
Location: Burbank, CA
Buy the System Checker! It is on sale for $215!


http://www.realcyclist.com/shimano-di2- ... erralID=NA

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R2.5 / R3 / S-Works 29er (20 lbs) / S-Works SL4 Di2 (14.7 lbs)


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 Post subject: Re: Dead Di2
Posted: Tue May 01, 2012 2:44 pm 


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 Post subject: Re: Dead Di2
PostPosted: Tue May 01, 2012 6:41 pm 
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Joined: Sun Oct 09, 2011 1:09 pm
Posts: 148
artray wrote:
D12 is becoming self-aware and its plan to take over the worlds main frames has begun right here on the WW sight with Pluggers bike.


No kidding! Amateur cyclist was assassinated by Di2. Bike is awol and nowhere to be found.


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 Post subject: Re: Di2 not Dead
PostPosted: Wed May 02, 2012 1:13 pm 
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Joined: Mon Jun 28, 2010 10:28 am
Posts: 32
Well there is a happy ending to this story, at least for the true believers out there.

So I decided that the issue must be with the cable/control box that connects the wiring harness to the levers so I decided to take this off and try it on another Di2 bike to prove this point. To do this I first needed to remove the bar tape and after doing that I could get to the spot where the cable is attached to the lever. The first thing I notice is that the connector into the RH lever is very easy to pull out, not like any of the other junctions. And the same thing with the LH lever and I thought that this was a little odd. So I played around with the cable into the LH lever and hey presto It works but as soon as I take pressure off the connector it stops working. So after a little googling I found out that you need to push the connector in to lever with the thin end of the tool that comes with Di2 and that it should click in hard to the lever and sure enough when I get the tool and pushed hard the connector engages totally differently. It's now very secure and I can not take it out by hand. And sure enough the lever now works perfectly.

So after all of that it was an installation issue, the guys who installed it (it was the 2nd Di2 that they had done at the time) did not know/forgot to install it correctly.

The strange thing is that it was installed over two years ago and it has not missed a beat during that time and I have no idea what would have caused both lever connections to fail at the one time.

So to all of you that were predicting that this was the beginning of the end for Di2 I am truly sorry.


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 Post subject: Re: Di2 not Dead
PostPosted: Wed May 02, 2012 3:11 pm 
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Joined: Wed Jan 10, 2007 10:56 pm
Posts: 554
Location: Canada
Plugger14 wrote:
Well there is a happy ending to this story, at least for the true believers out there.

So I decided that the issue must be with the cable/control box that connects the wiring harness to the levers so I decided to take this off and try it on another Di2 bike to prove this point. To do this I first needed to remove the bar tape and after doing that I could get to the spot where the cable is attached to the lever. The first thing I notice is that the connector into the RH lever is very easy to pull out, not like any of the other junctions. And the same thing with the LH lever and I thought that this was a little odd. So I played around with the cable into the LH lever and hey presto It works but as soon as I take pressure off the connector it stops working. So after a little googling I found out that you need to push the connector in to lever with the thin end of the tool that comes with Di2 and that it should click in hard to the lever and sure enough when I get the tool and pushed hard the connector engages totally differently. It's now very secure and I can not take it out by hand. And sure enough the lever now works perfectly.

So after all of that it was an installation issue, the guys who installed it (it was the 2nd Di2 that they had done at the time) did not know/forgot to install it correctly.

The strange thing is that it was installed over two years ago and it has not missed a beat during that time and I have no idea what would have caused both lever connections to fail at the one time.

So to all of you that were predicting that this was the beginning of the end for Di2 I am truly sorry.


Great news. Defcon 1 cancelled.


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 Post subject: Re: Dead Di2
PostPosted: Wed May 02, 2012 3:13 pm 
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Joined: Sat Jun 06, 2009 7:28 am
Posts: 479
So the moral of the story is that a middle aged guy thought an appliance was broken, and then realised that it just wasn't plugged in properly.


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 Post subject: Re: Dead Di2
PostPosted: Wed May 02, 2012 8:08 pm 
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Joined: Tue Feb 02, 2010 4:22 pm
Posts: 745
Location: Brooklyn
If only we could eliminate human error :P


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 Post subject: Re: Dead Di2
PostPosted: Thu May 03, 2012 1:03 am 
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Joined: Thu Dec 08, 2005 12:48 am
Posts: 83
Glad this has not turned into a 'mystery electrical failure' requiring replacement. If the systems continue to prove reliable, I may just have to get one for my next build.


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 Post subject: Re: Dead Di2
PostPosted: Thu May 03, 2012 7:28 am 
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Joined: Mon Jun 28, 2010 10:28 am
Posts: 32
Tokyo Drifter wrote:
So the moral of the story is that a middle aged guy thought an appliance was broken, and then realised that it just wasn't plugged in properly.


Sounds like a response from my wife :)


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 Post subject: Re: Dead Di2
PostPosted: Fri May 04, 2012 3:26 am 
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Joined: Tue Dec 15, 2009 3:09 pm
Posts: 142
So even incorrectly installed Di2 worked properly for 2 years! That seems pretty awesome to me...


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 Post subject: Re: Dead Di2
PostPosted: Fri May 04, 2012 3:20 pm 
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Joined: Fri Jan 14, 2005 3:39 pm
Posts: 974
Location: Essex / Lincs UK
Everything goes wrong, mechanically or electronically. Nothing is a completely magic box of tricks ....


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 Post subject: Re: Dead Di2
PostPosted: Fri May 04, 2012 4:00 pm 
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Joined: Tue Sep 16, 2008 11:20 pm
Posts: 77
Location: Burbank, CA
giant man wrote:
Everything goes wrong, mechanically or electronically. Nothing is a completely magic box of tricks ....


I rode my mechanical 7900 yesterday and it pretty much sucks!

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R2.5 / R3 / S-Works 29er (20 lbs) / S-Works SL4 Di2 (14.7 lbs)


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 Post subject: Re: Dead Di2
PostPosted: Fri May 04, 2012 6:09 pm 
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Joined: Sun May 10, 2009 3:31 pm
Posts: 445
Location: Russia, Moscow
I rode mine today and it was just fine.


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 Post subject: Re: Dead Di2
PostPosted: Sat May 05, 2012 8:34 pm 
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Joined: Mon Feb 27, 2012 11:59 pm
Posts: 7
mlchang wrote:
So even incorrectly installed Di2 worked properly for 2 years! That seems pretty awesome to me...


Actually, no... It is as awesome as finding a light bulb was not screwed in tight enough. :wink:


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