Hope this helped you, if you have any further questions, let me know. I hope you can still fix the problem! Thanks for your attention. No ebike is perfect, this is a thread dedicated to sharing known issues or problems with electric motors from Bafang as well as any help and solutions you know of. I have a rear-drive motor (this one: https://bafang-e.com/oem-area/components/component/motor/rm-g060750dc/). I would contact your seller about this, if this is the case. This is the case because the motor is loaded while you are riding on it. Now click Read flash in the right bottom corner of the program. In diesem Video zeigen wir euch, wie ein Firmware-Update am Bafang BBSHD Mittelmotor vorgenommen wird. I dont want the throttle to work as soon as I switch on the display. . This is a big deal to me because of all the very steep but short hills where I ride. Thanks, The gears are aligned good, nothing is bent. There was a problem preparing your codespace, please try again. I use a quite cheap Shimano 9 speed cassette with a generic MTB chain (not e-bike specific). de andere motoren doen die dat wel zoals de BBSHD. There is however something you can do to get something similar to your desired behavior. If you accidentally hit the throttle while the bike is on and in assist 0, the bike wont fly off. It can be bad if you wont pedal at all and let the motor do all the work with the throttle for example. I understand your question. I used your settings and everything went well. Hi Clement, if can help you, i got the same problem, i installed the iobit driver booster software,(no sponsor off software, just worked for me), it update my bafang driver and worked. The tool helps in disagnosis and detecting errors. Order Numbers should be 6 or less numbers (Examples: 1234 or 123456) Message *. You can set them to your liking for your motor setup. I havent ever tuned an Ultra myself, but the procedure should be the same. After 8 months of various tests I give you my configuration for my electric bike Fischer ETH1861, Bafang M400 motor, Battery 557 Wh 48V / 11.6 A This could possibly hurt the controller, so be careful with this. The setting can be found using the following steps: This video clearly explains how to access those settings on your display. You should verify if the usb cable is actually connected to COM3, you should be able to check this in windows. Im still waiting on my cable arriving so Ill let you know how I go. Hello, But even if you have the highest gearing on a bike that is physically possible with a BBS02 conversion, so: You still find that pedalling above 50 km/h will not be comfortable. The message from the executable was that no serial connection could be established. This tutorial is only for changing certain parameters. This motor was only rated at 250 w. The throttle isnt a big deal to me. 8 Press Open a Program File (may be labelled Open Code File), and browse to the location you saved the attached file CRR10E4830E105001.1_190413-1.bin, and open it. Download. Hello, Thanks for your help. Ok, the display settings are correct, the sensor is on a 20 wheel, and the display setting is set to 20, But just to confirm I have set the configuration tool to Battery is 5 years old but seems normal, issue only started after replacing old burnt out controller with a new Luna controller. . I have found two faults and it was Mainly the five pin connector going to the display ! Just set your display to 52V for the correct battery read out. How long had you had this controller? If you want 5 stages, you should still fill in the 9 assist levels, I believe it picks assist levels 1,3,5,7,9 as the corresponding stages if you choose 5 stages. This is absolutely no problem and can be done without straining the controller. The missing files can be found here: Thankyou, these files have been added to the Download package in the post above. Would this scenario cause damage? I suspect this only happens in the highest gear? Have you increased that already? I do know that permanent magnet brushless motors like the Bafang motor most of the time will operate more efficiently at higher RPM. If you still have any questions, dont hesitate to respond. Who wants to lug their laptop out to the bike or vice versa? This therefore can be unsafe. Thanks for you answer . 20 inch wheels are rather small, the smaller your wheels, the less top speed. Thank you for your instructions, they are very helpful. I therefore cant really help you with this. As of the display, it doesnt really matter which you choose. My battery range is 100Km, normaly i use 1/5 2/5 PASS . So to summarize: Throttle only mode isnt really possible without also having the pedal assist active. The only voltage you can change is on the display, which effects the battery percentage indicator. cordially Following the Bafang configuration tool instruction I installed the parameters you recommended. First Name Last Name. I was really annoyed as I was happy with the way the unit was performing and all I wanted to do was save the settings on file!!!! I would try to follow the same instructions on another pc. Hi, 4)plug in usb to laptop after 5sec Apart from that, I wouldnt know what could cause the issue. I guess the reason is that I was catched by heavy rain some days before. If you have a 36V battery, it should be set to 31-32V. I hope you figure out another way of fixing it. Opensource firmware for the BBS02, BBSHD - looking for developers I personally (and know a lot of other riders) also use only 5 levels. I did some calculation and the speed I got was in fact 30% of max motor rpm, ~40rpm for that cog. Cheers Giel! Last exit 50 km hilly, remaining autonomy 60 km. You can use the same settings, you should still increment the power each level. You should do it manually by braking just a little so that the cut off will activate. Thanks. The higher you set it, the more power it will give initially. This way the battery cant be discharged further. The only thing you should change is the low battery protection. To increase the power of the initial throttle push, you can increase the start current. BTW, instead of unplugging and replugging the battery, I turn it off then on. Its always nice to have on laying around. Thanks in advance. This differs from seller to seller though, so there isnt really a stock current setting in the firmware. This will decide how many levels of throttle power you will have. Thats why estimating the range is indeed difficult, you cannot really do something about this. I would suggest trying yet another pc and trying to install the drivers again on the pc you already tested with. BBSHD/02 Firmware Upgrade Silver Lake Electric Bikes If you set this to a higher value, your bike will have more power. Knowing what values to enter is the trick. I tried with two USB programming cables How to fix this problem? Especially when you find 250W motors poewerfull enough already. Just my luck. 1 Download the file stc-isp6.86.rar from http://www.stcmicro.com/rjxz.html Factory bikes are usually factory set at 25 km/h in the controller, this cannot be changed by the consumer. Die Mglichkeit, dass Sie etwas braten, ist dann ziemlich hoch. The parameters you can use and set are all described in the post. Would it work if I changed the speed limit of the secend tab(Pedal Assist) to 40 Km/h ?? Bafang battery catelogue 2023 . Can I use the settings for bss02. I wouldnt exactly know what causes the issue, but I know for sure you cant fix this with the Bafang programming software. Manufacturer: SZBF Like Like. You cant really do a lot about this, small gears simply cant take the high power mid drives deliver on the limited amount of teeth that make contact with the chain. But I am pretty sure it uses those levels. It cannot be done with the programming software in this post. So in your case it indeed should be attached on the 26 wheel. My question is this. So you are free to change those to your likings, without effecting reliability. Yeah think u are right. Thanks Giel . https://drive.google.com/file/d/1rerH9mTJQfyJcuiB5atlN_aV99v8UBij/view, https://drive.google.com/file/d/14JJ_HZJB2nisMVprWC7R7N3box2lAaTv/view, https://drive.google.com/file/d/1ylMb70vfWctFonILpQsWwjPzrEH6gmJ-/view, https://drive.google.com/file/d/1pezpHsR6sLzx_kXPQ1v9luHHsueX6jyB/view?usp=sharing, https://drive.google.com/open?id=1sxLa99ycpnrktxezmi-BswAjgvsrm_LC, https://drive.google.com/open?id=1zS03gj-v-EZNjiRqACd0LOi5ydOOsyIN, 18 for BBS02 750 Watt, 30 for BBSHD 1000 Watt, Bafang Programming Learn how to improve your Bafang mid-drive ebike, Rockrider E-ST 520 Electric Mountain Bike Review. Greetings I have installed your configuration and Im enjoying the ride. Any other suggestions? 32 or 64 bit? If this would be the case, other behaviour would be expected. EDIT: heres a pic of a bafang usb-serial cable: I am a little confused about why your controller isnt 30A. Herve, have you been able to get yours working properly? Do you think that because I did not Connect in the correct order that I may have somehow damaged the circuit board or was it just bad luck. Is there a way I can limit a bbshd 52v to 250watrs for police satisfaction? You should carefully select gears though when accelerating. So it is not possible to have PAS 0 as a throttle only setting. FAQLoginRegister You unfortunately dont have this motor, so the cable will be useless for this motor. For example if I limited the first level to only 1 amp, could I do any damage? You will have to set both current limit [%] and speed limit [%] to 1 for assist level 0. A lot of settings can be applied to the BBS02 36V 500W as well. You should do this in addition to the manual driver. This way the throttle nor pedal assist will work on startup. If you want to increase performance further, you can increase the general current limit. If you search on m400 on this page (CRTL + F), you will be able to find his comments. Bafang firmware update/ Error 30 fix/Error 7 fix BBSHD BBS02 https://www.youtube.com/watch?v=U4KdSIWpR48 Video explaining how to update/flash your Bafang controller firmware. To my knowledge the egg rider basically does the same thing as the computer software. Another thing to consider is that most of the time, the display will display a wrong battery percentage. If the amp limit is really low, the motor will then not be able to get you moving, which isnt great. Apart from that, I dont see any obvious problems. If thats the case it will be a waste of money. cordially, Bonjour,