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"E1" Error in Nexus Inter 4D on Giant, what meaneth this?

post #1 of 12
Thread Starter 
A friend with a Giant Comfort bike, about 4 years old, is experiencing an error on the digital display, "E1".. The bike is fitted with a Nexus Inter 4D, Auto Hub and will not change from the lowest gear.

Link to similar bike: http://www.giantbicycles.net/au/030....002&model=9572
Link to Shimano file: http://www.shimano.com.au/publish/co...se_4s35_ev.pdf

So far:
Changed the battery
Checked the magnet/sensor coupling on the rear wheel,
Tried manual shift,
Inspected plugs and cables for damage,
all to no avail!
Any one with experience on these?
post #2 of 12

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

Quote:
Originally Posted by gclark8
...........Any one with experience on these?
Nope!!!
post #3 of 12
Thread Starter 

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

Quote:
Originally Posted by Albert 50
Nope!!!
That's OK, Albert, I've e-mailed "The Captain".
post #4 of 12
Thread Starter 

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

Well, we stumped "The Captain" with this one.

Phoned Giant in Melbourne, stumped them too.

Tomorrow, Shimano in Sydney!
post #5 of 12

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

So we have The (gets stumped sometimes) Captain.

Now we have George, The (won't stop till I have an answer) Detective
post #6 of 12
Thread Starter 

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

Shimano had the answer.

The "E1" error will occcur after removing the rear wheel.

"Symptom:
E1 or E2 appears in the Digital display.

Check:
1. Is the cable connector at the motor unit connected securely?
2. Is the Motor Unit Cable broken?

Remedy:
First, Clear the Error display.
Set to "Manual" mode and then press both "v ^" (down/up) Keys simultaneously for 3 seconds.


1. Securely fasten the cnnector fixing bolts.
2. Replace the CPU & Wiring Harness unit.

If the above remedies do not solve the problem: Replace the Motor Unit."

Thank you to Shimano Sydney!
post #7 of 12
Thread Starter 

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

All fixed!

It pays to check the wotk of some Nexus "experts". They assembled the rear hub with the electric shifter in the wrong end of the range, hub in "1", shifter motor in "4", once corrected the reset instructions from Shimano worked a treat.
post #8 of 12

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

George, are you talking about an electronically controlled hub shift system? Call me a Luddite, but......
post #9 of 12
Thread Starter 

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

Quote:
Originally Posted by artemidorus
George, are you talking about an electronically controlled hub shift system? Call me a Luddite, but......
Yes, electronic shift, fully automatic if you want.

It was another up-grade I did for a friend, some 26x1.5 AirPro Kevlar Slicks and a specialist bike shop fitted a smaller rear sprocket to up the gearing.

Looks like this: http://www.giantbicycles.net/au/030....002&model=9572
post #10 of 12

Re: "E1" Error in Nexus Inter 4D on Giant, what meaneth this?

Once again "The (won't stop till I have an answer) Detective" triumphs!
post #11 of 12

I have done the same thing. Fitted a new smaller sprocket and now I'm getting the E1 code. I can't work out what I;m doing wrong. I seem to be assembling it the same way that it came apart..I can't find an alternate way to assemble it.

post #12 of 12

Well I have tried driving the selector motor to different gear positions and it will only fit onto the hud when in 1st gear position. It is not that. Back to the drawing board.

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