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[TRex46]

One other thing that might matter for people thinking to purchase a Zero... or electric moto in general.  I did get 10% rebate of purchase price on 2021 taxes.  Guessing that will be same for 2022.  (It would have been 30% if BBB act passed, is my understanding). 

[SHAG]

I've had 2 more issues with the will not start problem.  This is the 6th time at 4300 miles. The only thing different on the last one, Friday, was that after unplugging it in the morning, turning key on and writing the range down in my log book,  it would not go a few hours later when I wanted to ride.  The reason for keying it on every morning and writing the information down, is when I come home from work (I ride the XMax) and have lunch,  I gear up and go. Been doing this since bike was new. Anyway, the bike would not power up again until the next day after sitting overnite.

[TRex46]

4300 miles! You ride quite a bit more than I.   I continue to have no more problems since 1 problem ~1month ago.   I just ride few miles around town though.  Total miles ~500 as of now.

[SHAG]

Number 7 was Wednesday  7/20.  After riding about 40 miles and returning home for dinner, the bike sat for about 2 hrs and would not go when I wanted to go back out riding again!  I messed around again as usual, cycling the key switch and plugging and unplugging in the chargers several times with no change. Yelling at it and kicking didn't help again either.  The next morning, it would not go, which surprised me because the other 6 times it powered up to ride after sitting overnite. I called the dealer and asked to have it picked up when the driver is coming close to me for someone else.

Well, that afternoon it became ready to ride again, so I put it on the slow charge to top it up for the next day. After it showed a full charge and I turned the key on, all was good!  It was odd for it to show est miles 110 which the previous high was 72!  Had other things to do yesterday afternoon and today, so I'll see what happens tomorrow afternoon when I can try to go for a ride.

[Richard230]

Zero sold a bunch of "authority" legacy models to various government agencies over the past 10 years, although I haven't heard anything about them selling the SR/F bikes to police departments. I wounder if government agencies are having similar issues with their SP/FXP/DSP/ model bikes? I would think that if they were, the word would get around pretty fast and that would quickly be the end of most Zero police-model sales. Cops won't put up with the kind of crap that you hear about on this forum.

Personally, I wouldn't be surprised if H-D develops a police version of the LiveWire eventually. There is big money in the cop motorcycle market, especially when used in cities and in public parks.

[gerg914]

This thread has been helpful as with only 170 miles on my '22 FX I came home to go for a ride after work and was frustrated by the same codes.. ugh. Tried the BMS reset and alike and still no love. Hoping tomorrow she will come alive again for me but I'm not sure if I'll trust this bike as long as this issue remains unresolved. Nothing like having a bike you can't fix yourself. As much as I love it, totally second guessing this purchase after this....

[SHAG]

I experienced #8 several days ago.  Powered up in the morning after unplugging from onboard charger, recorded the battery, 100% and est miles 70 in my log book. After lunch, when I tried to go and thinking I would hit the 5k mile mark, It would not go. Worked fine the following day and the engine light stayed on for 2 days as usual. 
I used the fast charger a few days ago after a 60-mile ride and all was good. I still do not turn the key off unless I'm in my driveway.  Good rides yesterday and today.

[terryo]

My possible related experience with my (new to me) 2020 FX 7.2 with single "long brick" battery

Purchased and trailered home on 2022-06-18

During Safety Inspection notice that brake lever brake light switch is faulty. Switch is always stuck at High Ohms. Can hear switch click. Zero emailed, on 2022-07-17 bike examined at dealer  (and new firmware installed) and seems like Zero will fix switch as a courtesy. Good dealers experience at Mitchell's Cycles, but they ain't close. Waiting for part.

On 2022-08-18 for some time (0.5-2hrs?) FX would not go, or charge, engine light displayed.

I had never set my display to show errors so I have no idea if errors had been earlier quietly generated. I learned how to have display show errors.

During the 0.5-2hrs. "no go time" Errors 25,06,54,55,48 and 49 are displayed when power "Keyed on" with side stand up..

I email Zero the logs. They recommend I go to a dealer so they can further diagnose problem.

After awhile throttle works, Error displays 25, 48, 49, then 0 are displayed when power "Keyed on" with side stand up. Engine light disappears after a few km. of riding. Confirm chargers work with bike the next day.

2020-08-08 hrs. Motorcycle consistently displays 25, 48, 49 and then 0 on key on. Rides and charges with no apparent issue. Sent new logs to Zero. The agreed plan is that when I get my front lever brake light switch replaced at the dealer that my FX gets plugged in to the dealers computers to try to diagnose the problem.

Thankfully I have saved all my logs and have availed myself of home.hasslers.net to try to figure out what I can. There is a suggestion in my first MBB log file that the BMS,battery or BMS battery combination was swapped out sometime earlier this year. From the MBB log ...

 02422                       1   Module 00 Registered       serial: 19lb2135,  vmod: 95.545V
 02423     12/05/2021 15:04:56   Sevcon Turned On

...

 02479                       1   Module 00 Registered       serial: 19lb4278,  vmod: 106.020V
 02480     06/01/2022 09:00:02   Sevcon Turned On

[TRex46]

No-go #2 for me this am.   Same error codes as before.  Plugged in, and went to work.  Tried this evening, no luck.
I am just waiting until riding weather stops, then will take to dealer.  Hopefully they can fix the firmware and/or swap out the right parts. 

Anyone hear any rumors about what this issue is? 

Other than that (the no-go that is), great bike.

[TRex46]

.. and same behavior as before:   24 hrs later it turned on an ran fine.

[TRex46]

... and #3 occurrence for me this am.   grrrr.

I am waiting for someone to say... I took it to dealer, they said" "yeah it some faulty firmware/part... swapped it out and you should be good to go" 
Anyone... ?

I am ~1hr from dealer and putting off the hassle and,  ideally, I hear the statement above and not... "been to dealer 5 times and still not fixed... "

[SHAG]

Sorry that you are having the same problem as I am, TRex.  We are not alone. My guy says they're not sure what's wrong yet.  It acts like a bad solenoid on an ICE bike.
Another guy said that it's a problem that won't go away on its own.  I was at a place, and they had a new FXE in the back that was gutted, waiting on parts.

I just cracked 7k miles yesterday and have had 8 No-Goes!  Since I started leaving the key on during rides, I haven't had a fault in a while. What I mean is that I can't ride it to work and expect it to run after sitting for 4 hrs. If I ride it till the battery is almost dead without turning the key off, all is good. It has never quit on me.

Hopefully a solution will be found soon.

[TRex46]

Thanks for the fast reply.  I tried resetting the BMS by holding down the buttons under the seat and it was a no go.  Luckily the dealer is just down the street from my work and they diagnosed it today as a bad BMS board.  It reset itself this morning as others said it might and he confirmed with Zero the board was bad.  Replacement is being ordered.  Appreciate all the help here.  Hopefully it'll be up an running again soon.

Update... Next day after no-start #3, all is fine.  Rode today, no problems.
Thanks for info SHAG...

I did go back and look thru this thread and see this post from WeGo4x4 who had a bad BMS board and it was replaced.   I dont see later post by him.  Did it fix problem?   

[dalamario]

Zero relased a firmware (MBB v35 and BMS v42) supposedly to solve the issue with BMS stuck in battery hibernation mode when powering on the bike, did you update to this latest firmware?

https://www.zeromotorcycles.com/firmware

The issue is that when BMS is in hibernation and don't wake up at key on, it does not communicate with MBB and you will get 0% battery on the dash due to no canbus communication.
Every day the bike do a BMS autoreset this is why the day after the issue disappear, if you want to do a manual reset of the BMS, you can remove for few seconds the B+ fuse from the left side of long brick battery (on FXS it's located under the rubber, a little lower than OBD connector).

[SHAG]

Thanks for that information, dalamario.