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Messages - gubbin

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1
Zero Motorcycles Forum | 2012 and older / Re: Playing with my XU MBB
« on: March 30, 2018, 08:46:39 AM »
A followup:
Well, don't know why it took me so long, but I just did a "format eeprom" and it fixed things!
The fuel gauge started showing the correct battery level, and regen started working.

So for a bonus, I thought I'd try playing with regen settings.
"sevregspeco 1" didn't change anything about sport/eco acceleration or regen that I could tell.  So I set it back to 0.
But setting the Sport regen settings (sev01 - sev06) to the same values as Eco (sev07 - sev12) gave me Eco regen with Sport acceleration.
Winning!
So now I have:
  sev01           - Sevcon Neutral Brake Sport  :   20%
  sev02           - Sevcon NB Ramp Up Sport     :  150%/s
  sev03           - Sevcon NB Ramp Down Sport   :  500%/s
  sev04           - Sevcon Foot Brake Sport     :   30%
  sev05           - Sevcon FB Ramp Up Sport     :  500%/s
  sev06           - Sevcon FB Ramp Down Sport   :  500%/s

2
Zero Motorcycles Forum | 2012 and older / Re: Playing with my XU MBB
« on: February 20, 2018, 09:24:37 AM »
Thanks, @David_Walsh. Not sure what a regen lever is, but I can check brake switches at least.  And brake lights work fine.
The MBB is potted and sealed, I unplugged the two connectors and checked, they looked OK.

3
Zero Motorcycles Forum | 2012 and older / Re: Playing with my XU MBB
« on: February 19, 2018, 09:12:10 AM »
Hm, don't know why I didn't stumble across this message from Apr 2016:
http://electricmotorcycleforum.com/boards/index.php?topic=5741.0

The fix is apparently to have my MBB reflashed, and my local Zero dealer just gave it up.  Dang.
Wonder if clearing the EEPROM would do something...?

4
Zero Motorcycles Forum | 2012 and older / Playing with my XU MBB
« on: February 19, 2018, 06:40:25 AM »
My 2012 XU decided to stop doing regen again this winter, so faced with a long wet weekend I got an OBD2 connector and hooked it up to a USB-serial adaptor using the info from http://electricmotorcycleforum.com/boards/index.php?topic=4296.0
Menus and info looked just like Doctorbass' screenshots from http://electricmotorcycleforum.com/boards/index.php?topic=3057.0

I don't want to fill this post with screenshots, but here's where I've gotten so far.
After the regen stopped working:
* The bike wouldn't run until I toggled the stop switch or the side stand switch.
* The fuel gauge started showing all bars at all times.
* The BMS lights (in the back) showed the correct battery level.
* Resetting the BMS using the 2 buttons by the round connector didn't change things.

What I learned from messing with the MBB:
* The pack is happy and balanced
* The BMS says "Pack Percent Remaining : 70%" but also "Fuel Gauge : 100%"
* Running "test fuelout" should have set the gauge to 20% and 80% but it just kept showing all bars instead.
* On powerup it says "DEBUG: Sevcon EMCY message received. sid= 0x081 error_code= 0x4884"
* I set "sevnoregfull" (Prevent Regen When Full) to 0 but it still won't regen.

Not sure what to do next, but for all that I talk to my Zero, I'm glad it got to talk back for once. :)

5
Zero Motorcycles Forum | 2012 and older / Re: $30 sensor or £2000 for a new motor... choices, choices.
« on: February 19, 2018, 06:36:11 AM »
Aww, dang.  I thought I was the only one with the hiccupping/knocking/stuttering issue.

I tried to buy another sensor from Motenergy twice but each time they stopped answering my emails once we got to the "hey, can I pay you?" stage.
So I bought two from RLS.  I couldn't stand the thought of paying more for shipping than for the sensor, so I got a spare.

It wouldn't work right until I shimmed it up a little by putting the little washers on the underside instead of on top.  Been working fine since with no stutters.

Anyone want my spare RLS sin/cos sensor?  I'll probably have it kicking around for the next few years...

6
Zero Motorcycles Forum | 2012 and older / Re: 2012 XU "hiccups"
« on: April 25, 2016, 11:10:59 AM »
Don't believe so. Got it from a nice fellow in Washington State.
Bone stock, but I expect I'll customize it a little.

7
Zero Motorcycles Forum | 2012 and older / 2012 XU "hiccups"
« on: April 25, 2016, 06:43:18 AM »
Howdy!  Just got a 2012 XU yesterday and am enjoying the heck out of it.  Ran it down to 2 bars in a little over 20 miles of in-town riding today.  I'm sure the battery is a little tired and I'm a little heavy on the throttle. :)
One problem: when I first turn on the key, it will "hiccup": that is when I twist the throttle, the motor runs, then stops for a half-second, then runs again for a half-second, about 3-4 times.  After that, it's smooth sailing.
These hiccups happen every single time I turn on the key, whatever the SOC or temperature.  I always wait for the "bootup" before twisting the throttle.
More interesting: During the "hiccups", if I let off the throttle, roll backward or anything like that, it just refuses to run until I turn the key off and on again.
I don't recall the display showing anything.

Anyone experienced that?  I've searched the forums but no luck. 
I don't think it's the throttle itself, everything is fine after the initial hiccups.  Maybe it's the Sevcon doing a PID autotune or something?

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