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[Kocho]

In domino's log it seems the error is happening at 75% SoC. Doesn't this mean that dialing-back on the power would not help? You can see from the log that the bike is already restricting power to only 394A at this point, where it started with a max of 508A at 97% SoC...

[domingo3]

You already contacted your dealer and zero about this, right?


Sent from my iPad using Tapatalk

  Had previously sent Email to Zero.  I just sent this to my dealer (Hollywood Electrics) yesterday, and they responded right away.  Unfortunately, I need to bring the bike in for diagnostics. 
  Since I live far from a dealer, I will have to rent a trailer and set aside a day to bring it.  I also depend on the bike for daily transportation.  I knew the risk going in, bit at least it's working for me while I figure out the best time to bring it in.

[BrianTRice@gmail.com]

You already contacted your dealer and zero about this, right?

  Had previously sent Email to Zero.  I just sent this to my dealer (Hollywood Electrics) yesterday, and they responded right away.  Unfortunately, I need to bring the bike in for diagnostics. 
  Since I live far from a dealer, I will have to rent a trailer and set aside a day to bring it.  I also depend on the bike for daily transportation.  I knew the risk going in, bit at least it's working for me while I figure out the best time to bring it in.

That's unfortunate, but if any dealer can understand what's going on with your bike, it would be Harlan. Seriously. Good luck.

[jheth]

You already contacted your dealer and zero about this, right?


Sent from my iPad using Tapatalk

  Had previously sent Email to Zero.  I just sent this to my dealer (Hollywood Electrics) yesterday, and they responded right away.  Unfortunately, I need to bring the bike in for diagnostics. 
  Since I live far from a dealer, I will have to rent a trailer and set aside a day to bring it.  I also depend on the bike for daily transportation.  I knew the risk going in, bit at least it's working for me while I figure out the best time to bring it in.

Any update?


Sent from my iPhone using Tapatalk

[Cama]

Maybe my english is to bad and I am misunderstanding ... but you state:

Zero knows that there is a sudden deceleration with more than 100 % regen and there is no official warning or 'recall'?

[hubert]

Have you also noticed the dramatic change in SOC around the EMCY frames?

Usually the SOC decreases by 1 or 2 percent at a time.

In the first log (17th Jan), it changes promptly from 86 to 80% around the EMCY.
In the second log (13th Feb), it drops from 72 to 67% to 61%

It seems the pack voltage also drops quickly, which is certainly related to the SOC calculation, which is not only Coulomb counting.

Looks like a weird issue with the pack.

[domingo3]

  No update yet, but that is my fault.  A warranty case # has been assigned.  I just need to do my part and bring the bike in. 
  I need to set aside a full day to bring it in, and in the meantime, I can still ride.  This has only happened at >80mph at full throttle, so I know when it is at risk of happening.
  I will update here when I bring it in and get results of the diagnostics.


*** Edit March 21st ***
Dropped the bike off at the dealer.  It was a six hour round trip pulling a trailer.  Not looking forward to another 6 hour trip in a cage, but hope I can get my bike back quickly so I can get back to commuting on it.

[domingo3]

  Called up the dealer to ask if they'd gotten in touch with Zero.  They told me they're working on it.  When I pressed to know if they have talked to Zero, they put me on a brief hold and told me that one of their techs was on the phone with Zero at that moment.  Quite a coincidence, if you ask me.  One of my biggest concerns since before I bought the bike was that it would sit at a dealer with nothing being done. 

  I ride 5-6 days a week, year round, and get anxious when I don't.  I hope that if they weren't actually on the phone with Zero a few minutes ago that they picked up the phone and called.

[BrianTRice@gmail.com]

Maybe my english is to bad and I am misunderstanding ... but you state:

Zero knows that there is a sudden deceleration with more than 100 % regen and there is no official warning or 'recall'?

The simple answer is "no".

There are clearly some owners with this issue, but I'm guessing there's a hidden variable here, like on this thread where there's a reasonable guess that a security system inadvertently interfered with the throttle signal:
http://electricmotorcycleforum.com/boards/index.php?topic=6548.msg54246#msg54246

Normally the bikes don't allow regen braking at all above 70mph (which can be disconcerting in other ways).

Good luck, domingo. A long trailer haul for a dealer dropoff is pretty inconvenient.

[Cama]

Maybe my english is to bad and I am misunderstanding ... but you state:

Zero knows that there is a sudden deceleration with more than 100 % regen and there is no official warning or 'recall'?

The simple answer is "no".

There are clearly some owners with this issue, [...]

Just wondering ...

[domingo3]

My bike has no modifications.  As far as I know, nobody else has had the same exact problem.  The bike that had the immobilizer is a clearly different situation.  If anyone else has already had a dealer look at theirs for something similar, I'd love to hear about it.

Edit March 29th

This is the longest I've gone without riding my FXS since I bought it. I have a hard imagining that the bike is doing something other than sitting in a corner of the shop when I could be riding it.

[IsraelFXS2016]

Firmware rev. 49 Board rev. 3 Model FXS 2016 in the peak of accelerating I felt hard brake.
Happen 3 times in the past, left me all shaken.
This time I got the logs out.
 07768 04/07/2017 22:33:08 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x46c3, Data: 0x04 0x01 0x00 , Unknown
07769 04/07/2017 22:33:18 SEVCON CAN EMCY Frame Error Code: 0x 0, Error Reg: 0x00 Sevcon Error Code: 0x46c3, Data: 0x00 0x00 0x99 , Unknown
If this braking would happen while I turn, the bike will flip over.
It doesn't feel like regen breaking nor dose it feel like the engine cutting off, this feels like a full on abs peddle to the metal braking, while at top speed !
Haven't talked to the dealer yet, I really hope it's just some error with firmware.

[Richard230]

I understand that there is an ABS system recall in the U.S.  However, I don't know if it is regard to your problem or not.  And it applies to 2015 RS, S, DS and FX models:  NHTSA #16V610000

[Shadow]

Firmware rev. 49 Board rev. 3 Model FXS 2016 in the peak of accelerating I felt hard brake.
Happen 3 times in the past, left me all shaken.
This time I got the logs out.
 07768 04/07/2017 22:33:08 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x46c3, Data: 0x04 0x01 0x00 , Unknown
07769 04/07/2017 22:33:18 SEVCON CAN EMCY Frame Error Code: 0x 0, Error Reg: 0x00 Sevcon Error Code: 0x46c3, Data: 0x00 0x00 0x99 , Unknown
If this braking would happen while I turn, the bike will flip over.
It doesn't feel like regen breaking nor dose it feel like the engine cutting off, this feels like a full on abs peddle to the metal braking, while at top speed !
Haven't talked to the dealer yet, I really hope it's just some error with firmware.

Which of the torque map modes was this, Eco / Sport / Custom ?

Was this during 100% throttle, or instead the middle of throttle range?

Any modifications to the bike or strong radio frequency sources nearby (radio transmitter) ?

[IsraelFXS2016]

Which of the torque map modes was this, Eco / Sport / Custom ?

Was this during 100% throttle, or instead the middle of throttle range?

Any modifications to the bike or strong radio frequency sources nearby (radio transmitter) ?

Custom
100%
no modifications to the bike.
not that I know of, it happened 4 times, in different locations, I do not believe that it's about the location, but if it is, it's common.
to clarify the symptom: somewhere around top speed, while accelerating, the bike brakes, hard, for a second, or half a second. The engine stays on, there is no other symptom that I know of. after that second everything goes back to normal. first time this happened i thought I pushed the leg brake by mistake.