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Hi, I am sorry that you are still having issues with your motor. First I have to say that all my assumptions are deducted from the reading in forums, I have not hands on experience repairing motors, so I might be wrong. Initially you had Error Code E10, which means: E010 – System error...

Hi PoppyRex, thank you for posting your results. Can you please give more information or pictures of the shim washer replacement

My motor is an E8000 at 4.8.0 (you can see it in the image), and the etube Windows is V4.0.3. I am using SM-PCE02 BUT your etube is V4.0.4, may be Shimano removed the degradation diagnosting starting your Version. Try to look for V4.0.3. Your etube V4.0.4 shows the message: "The function...

I have no t replaced my motor so I have not confirmed this, but I believe the odometer is in the motor, so if you install a new one it will be at 0 miles/Km

I tested my battery with Windows Etube versions 4.0.3 and 5.0.1, and: ** Etube V4.0.3 shows an image with FULL CHARGE CAPACITY = 90% ** Etube V5.0.1 DOES not show the FULL CHARGE CAPACITY This is the "Mickey Mouse" fix from Shimano for their battery degradation issue: Instead of replacing in...

Or....there is a third option: Shimano may have patched Etube to show always 100% of remaining capacity, independently of the real battery degradation. If this is true, this would a serious issue that would bring legal charges against Shimano, may be Class Action Suits. VW thought that they...

I had E11, and my issue was a bent derailleur hanger. When DI2 shifter expected second cog the bent hanger had the chain in first cog, so the calculated speed was not the speed measured by the sensor, so it threw an E11 error

Looks like EP8 is similar to E8000, but there are no pictures of EP8 guts. The only ones are from Shimano:

Failing at 3500Km is not the same as to rent it every day and accumulate 30000Km. Have you tried to have Shimano fix it in warranty?

EP8 was released one year ago, it should be covered by the 2 year warranty.

Some recommendations: The distance from magnet to sensor should be 3 - 17mm The rear wheel should be in good shape, if it wobbles then the distance sensor to magnet will be changing. The magnet position should be as in attached image

Some quick recommendations: * Shimano Dealer Manual explains how to remove motor, the bolt torque, etc. Also there should be many youtube videos. * Don't forget to unplug battery cable, If motor hangs from it the connector will break * You will need the special Shimano Tool TL-FC39 to...

OK, I changed my post to 'maybe able to use' instead of should. I agree that we do not know what type of grease is Shimano using and that nobody except Shimano have tested greases in their motors, but Shimano won't tell us. But in the case that a motor has a bearing fail that can be repaired by...

You only need the E8000 motor, everything is compatible between E7000 and E8000. After buying the motor it requires to configure a couple parameters in motor configuration: Motor angle and Wheel circumference, you should use the values in old motor. But your LBS should know about this.

If you do the warranty claim, please update us on how it goes and ends.

Good luck!!!

My bet is for the battery to motor cable. It has two thin wires for communication that if fail might cause this error. The cables to display and shifter are the standard DI2 cables which are more robust.

This cable could be the issue, even if it looks fine. I'd try it before throwing the bike into a lake.

I'd try to replace the cable battery to motor, and check it for corrosión. If this connector is bad it could damage any motor plugged to it. And may be try another battery. May be the failure is in it and you have three good motors.

@S13 I do not think that the grease has thermal properties that helps disipate the heat, but may be you did a very thorough cleaning with solvent and removed any minor trace of grease, but for the regreasing I believe there are different types of grease that should be used: ** Sprag bearings...