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If this is not stated, you can easily calculate it yourself as demonstrated. Often the only way of finding out what is causing it, is by testing individual components. How to Fix Bafang BBSHD & BBS02 Error 30: 1. Here is my configuration, bike: 26 in full suspension mountain bike (Kona Kikapu Deluxe, oldie but goodie) It allows a more normal biking experience. Indeed, I do not know if the M400 is in BB-32 or Double signal 24. So if the current limit is set low, the motor will not be able to turn the chainring with a lot of force. Which do you thing should be the best solution? Could this be caused by an issue with my torque sensor? The new BBSHD controller is limited to 28A instead of the old 30A. BBSHD Voltage Problem Firmware Update & Instructions This setting will set the maximum current that the controller will draw. By tweaking these settings, you can make the throttle respond more to your liking. Tried to change the amps to 30 but still doesnt work. 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 Most of the time people prefer to have this on the highest setting (PAS 9) because of safety reasons. 5 levels gives you plenty of control over your power and it prevents you from having to click 9 times just to get to the highest mode. As I had no communication to program software The gears are aligned good, nothing is bent. I have built many custom pedal bikes over the years and know a few things about bike building. Range and torque are more important. This sensor being faulty is unlikely. More correctly, sometimes it goes, but sometimes no. In order to start reprogramming your Bafang BBSxx mid-drive system, you will need a programming cable. I found that this way the motor responds a lot more like you would expect. I have not viewed the following link; presumably it is a video version of these instructions: https://youtu.be/6fvJVz30LU8 I would like to know which motor you have exactly and which display. If so which controllers. I would like to do 90 to 20 %. I also dont think that you can improve your range with reprogramming certain settings. So Im stuck with only 5 power levels? Maybe some mosfets are blown inside. Download. The pc is not compatible for some reason (try another pc). So leave the low battery protection unchanged and set the current limit to 18A. I suspect that your motor still works fine? Good luck building your first DIY ebike! There is not a lot that you can check, a part from the obvious things. I sometimes notice that my gears slip one teath when coming on power. Alright! de andere motoren doen die dat wel zoals de BBSHD. The Bafang programming feature is ONLY for the Bafang mid-drive motors. But if you want more initial power, you can definitely increase this, especially with a BBSHD. You should not have to do anything with baud rate, etc. Thats unfortunate. I put the same battery on his bike. Apart from that, I wouldnt know what could cause the issue. Which is fine, it will just not have a lot of power. I have an other little problem. This way the throttle will give maximum power in all assist levels. thanks This might give you more control over your bike. Windows Laptop / PC - Required to install and run the programming software. Regards, You cant damage the motor or controller by setting the amp limits to low values. 7 Change the settings for Max Baud to 57600 and Input IRC frequency to 18.432 Mhz l. The displays setting will probably overwrite the configuration tool setting. If you then accidentally hit the throttle when you have powered on the bike, and are not on the bike, then it can shoot forward. 26 (to reflect the size of the drive wheel) so that i do not do damage to the motor? The bike will pedal like a normal push bike and when I use the throttle the motor starts. Thanks for sharing your experience in the comment section, it really helps other people as well! The controller however cant be reflashed using the programming tutorial in this post. 9/100/100. Do you have any thoughts to my new concern here? For the BBS01 the maximum value is 15A. 2 Extract stc-isp-15xx-v6.86E.exe from that file (using WinRar, 7zip, etc; a google search will locate the appropriate websites for those, and instructions how to use them) and run the program Bafang programing cable - Available here on Amazon or here on eBay. I indeed would try a new cable first. I guess the reason is that I was catched by heavy rain some days before. Bafang BBSHD Review The one to rule them all? It seems the Ultra can really be tuned quite a bit more than what it comes from the factory. Unit is a one of the best built e- bike kits out there but sadly the controller lets it down badly.A lot of kit builder are now moving away from the Bafang controller On the BSSHD and fitting more powerful and user friendly alternative available recently,And we all know support from Bafang is non existent which is unfortunate. Franco I do know that there doesnt exist a setting that you can change to fix this behaviour. In order to change the firmware that allows 52V, you do need a programming cable. You unfortunately dont have this motor, so the cable will be useless for this motor. kan iemand het mij vertellen. I apologize for bothering you at this hour, but I have a problem with my bbs02 750w engine ..I used this engine on a Rockrider 27.5 bike and after a few months the error 30 appeared on the display. If you want to pedal more yourself and save more battery at a constant speed, set it to 60%. You however will still have a very slight pedal assist in level 0, because this simply cant be eliminated. You will be able to tune your bike exactly to your liking using this guide. It could be that yours has a 20A controller due to the B variant indeed. This could be the case. And that when the percentage of battery shown on my controller drops to 41% it will stop assisting? I have a Victesse bike with a bafang M400 and a 36V/10.4Ah and 374 Wats. 25 amp upgraded IRFB3077 mosfets controller (up to 1300 watt with 52 volt battery). It is interesting that it only started after the controller swap. So this is no problem at all. https://bafang-e.com/oem-area/components/component/motor/rm-g060750dc/, https://www.youtube.com/watch?v=WNmvj9PiZ08, https://www.dropbox.com/s/0ak55h0vmhwe1hm/BafangConfigTool.zip?dl=0, https://drive.google.com/drive/folders/1bBOGwk5FauKVbFH0n-nvE_cDWb-SCHCr?usp=sharing, https://forum.velotaf.com/topic/28285-programmation-kit-moteur-pedalier-bafang-bbs/, https://electricbike-blog.com/2017/11/23/i-void-warranties-hacking-the-bafang-ultra-max-mid-drive-ebike-drive/, https://endless-sphere.com/forums/viewtopic.php?t=93000, Connect the programming cable to the display cable, Plug in the battery of your e-bike (and turn it on), Plug in the USB cable of the programming cable to your desktop/notebook. The speed limit is overwritten by the throttle, so you will go as fast as you want. Nominale voltage: 48 52 It has the Sturmey Archer IGH 5 speed. What is your biggest front gear? Just try to apply the power gently in the higher gears to prevent excessive wear caused by those slips. You could set the current limit to 18A as well, depending on how much power you will need. You dont have to open it to do maintenance like greasing. ( the closest Ive found to the m400). I would suggest trying yet another pc and trying to install the drivers again on the pc you already tested with. (3.71 KiB) Downloaded 770 times The voltage level of the battery goes down nonlinearly, the software of Bafang converts this to a battery percentage level. Just make sure you set the Limited Current (Amps) to 30 not 25 which is the most the BBS02 can handle. BAFANG E-MOBILITY SALES & SERVICE TOOL One solution for all bikes equipped with BAFANG systems The complete e-drive system including motor, display, sensor and control unit, as well as Bafang battery data, can be accessed. Thanks for your suggestion! I would think that the sensor should be on my 26 drive wheel to reflect accurate speed readouts. Your only hope will be to find advanced settings in your display. And what is the gear ratio of this single gear? only after a few seconds while not using the motor it will reconize the actuall battery level and i can accelerate again. But the difference is that the entire firmware needs to be reflashed. I prefer setting my display to 5 levels. I am a strong cyclist and I find the assist levels to be too strong for the most part. I recommend current since this is easier to calculate by your controller. Bafang 1000W BBSHD Mid Drive Ebike Motor Kit sorry for the bad english. no u need to remove a link or more it will strip the cassette and start to brake teeth ive bin through 3 now lol ive had my bbshd and my 52 v batt for over 2.000 miles and i flashed it when i got it im just looking to c if there was any new programs or flashes there are 7 versions. 10- Plug ebikes battery into BBSHD, but do not turn on the battery power; This way the bike will just keep assisting with a specified amount of power for that assist level. There was a problem preparing your codespace, please try again. This cable and software does not work with the Bafang M420. 6 Select the Com port that was assigned to your preferred USB-Serial Adaptor. City Bike So for the BBS01, BBS02 and BBSHD. Bafang, one of the leading manufacturers of e-mobility components and complete e-drive systems, has been developing components and complete systems for electric vehicles since 2003. Thanks, Hi Giel ,in your recommendations for the settings you say to put pas0 to 0% current limit ,100% speed limit & throttle handle designated assist level to by displays command to be able to use throttle only . You state that you want maximum torque, but with reduced speed. I hope this gave you a better understanding about bike gearing and cadence , Hello 29 inch wheels, will be the best for high speeds. I did notice one thing I wanted to ask about. I understand that the current will be set at 18 amps. Like Eric mentioned it is very likely that Bafang will increase the . The max current for the Bafang Ultra is 30A. If your battery voltage was already kind of low, this extra drop in voltage will cause it to go below the low voltage limit. A fully charged 48V battery would he 54.6V. If you still have any questions, dont hesitate to respond. It seems the max speed is the only thing they have been a bit restrictive with(40kmph). CRR10E4830E105001.1_190413-1.zip It indeed can help other people, so thanks for that. The better way of doing it is just to change the power level for the different assist levels. The second statement is sort of correct, in theory, you can do this. My question is, do you have to pedal along with high RPMs that the Bafang motors like in order to keep motor safe at low current% and 100%speed? Thanks. Much thanks for advice I will try 1 option. In diesem Video zeigen wir euch, wie ein Firmware-Update am Bafang BBSHD Mittelmotor vorgenommen wird. Its a shame that the Bafang controllers tend to be quite unreliable and sensitive. Both modes will have the same behaviour. Anything other than 60 or 80 is not recommended. . Lessons learnt! If you want a wider range of control with your throttle you can set this to a maximum of 42. It sometimes help to try another computer, but you already did this without success. Bafang Programming - Learn how to improve your Bafang mid-drive ebike Almost all functionality of original firmware has been implemented and additional features have been added. So if you really want a smaller size, I would recommend 12-14Ah. If I know these numbers, I will be able to tell you if gearing/small wheel size is your issue. JavaScript is disabled. Quick question. The controller you have can handle a maximum current of 25A. Should I order new controller or first check something else? So you can absolutely only change the current limit and have the same recommended settings for the BBSHD. Also make sure that the cut-off voltage is set to 41V (if you are running a 48V battery). This way, the throttle should give maximum power in all pas stages. I have some problems with my Bafang 1000kw motor. Reading on internet looks the read out % depend on de battery voltage and the voltage of the motor controller. Some steps have been broken down into individual steps for clarity; not having one of these units I dont know if Ive done them right. Yes, you could lower the controller maximum current. I hope you figure something out that works for you. Does the throttle do anything in your assist level 0? Apart from that, I dont see any obvious problems. It that case it will be really hard/impossible to damage the motor. They will probably have a lot more experience with this kind of reflashing. If you have purchased the cable, installed the driver, and installed the configuration tool you are ready to go.