I would say that the motor wont need any maintenance for the first 3 years. It is more difficult and advanced than this. AS AN AMAZON ASSOCIATE I EARN FROM QUALIFYING PURCHASES. I just put full battery and it shows me 54,2V = 62%. In general you should just be really careful when shifting under high load. When you disconnected, the firmware might have only been uploaded partially. restructured firmware project for multiple targets and implemented su, https://github.com/danielnilsson9/bbshd-fw/releases, https://github.com/danielnilsson9/bbshd-fw/wiki/Flashing-the-Firmware, https://github.com/danielnilsson9/bbshd-fw/wiki/Configuration-Tool, https://www.paypal.com/donate/?business=LVAYFCMQYN8F4&no_recurring=0&item_name=BBSHD-FW¤cy_code=USD. I hope you can still fix the problem! Now click File in the left top corner of the program. The stock assist levels differ even more from seller to seller. thanks for you time and passion in sharing your experiences.My sole purpose to get a mid drive kit is so I can tow my 2 kids ( 7 year old and 5 year old) up the hills when we go mountain biking. would you get the same or less mileage assuming you used the same amount of cells in battery packs so you have 52v 20ah vs 36v 31ah which cost the same which would go further? Hi, I did some testing today with the bike on a stand (no load). So even if the sequence was wrong nothing bad should happen. I think that a battery range of 100km at speeds of 30-40 km/h is what you indeed can expect from a 24Ah battery. But probably the only thing that you should change, is the current limit. Sorry if Im getting off topic with this comment, but I notice there is a setting on my controller where Range is displayed. I am talking about these extreme situation. Which often is more accurate than the display does. Thanks for your attention. There likely is something wrong with stop delay, stop decay or current decay setting. I may need to call Bafang on this one. You can also lower the start up current, this will decrease acceleration but will ofcourse also increase range. Hi, thanks for this great guide!! The file attached CRR10E4830E105001.1_190413-1.txt will need to be renamed CRR10E4830E105001.1_190413-1.bin because the forum wont allow a .bin file upload. UPDATE: A hacker from Norway named Penoff used the source code and completely rewrote the Bafang programming software. Good luck though! Im I correct in saying the only difference for the bshd is the 30A (current limit setting) and therefore all other settings can be manually input the same as your description. Bafang does not support any alteration of its default settings and everything out there that lets you get at them is 3rd party and unsupported by the manufacturer. I use a quite cheap Shimano 9 speed cassette with a generic MTB chain (not e-bike specific). 1000W Battery 52V. Regards, John. 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. Hello. Therefore it will just reach the maximum RPM possible with the set current. If you happen on settings that work for you, please share. Hi Giel, just read your reply to Ofer problem and I have something similiar! (3.71 KiB) Downloaded 770 times I dont recommend setting this higher than 20 or 30, then most drivetrains will have a hard time and you can potentially break your controller if you are in too high of a gear. Ok thats what i thought. Not all displays have this setting, so it could be possible that you dont have it. Chain and cassette wear just cant really be avoided completely with such high-torque, high-power motors. You could also try connecting it to another USB port and see if it than shows another port. You can only transfer your pedal power to the bike, when you match the RPM of the motor. But external controllers are always possible, but this will be extremely DIY, and not convenient or clean at all. Open source firmware for multiple electric bike motor controllers. You should set this to match the wheel size of your bike. If you decrease it even more, the pedal-assist wont work at all anymore for some reason. 9a- Turn off ebike batterys power switch You can adjust all other settings to my recommendations in this post. So the throttle wont work either. Assist level labels now say Assist, not Assit The current limit is not active when bike is not connected. Needed for crossing busy streets. Because more power might be able to give your more top speed still, if you havent increased this already. Unfortunately the Bafang throttle can feel a bit jerky. You signed in with another tab or window. There is a 36v sticker on the motor. (Higher start current). You could set the current limit to 18A as well, depending on how much power you will need. Your thoughts? Wenn ich anschlussbelegungen beider Displays htte, wre mir geholfen. I wont have a video available in a while, this will be something that might come available in the long run. So if you look at it that way, it isnt weird that the cadance at those speeds will not be optimal anymore. ***EVERYTHING*** I know about this, all the information I have about this, is here in this thread; please dont PM me for more info (I dont have any), just ask in this thread, and maybe someone else will know. Is this a controller programing issue or possibly a battery pack issue. Received my cable today. P.S The egg rider might work, but I expect it not to. They are your best chance of getting it fixed without replacing the entire controller. My questions are pretty basic. I just reprogrammed my controller so I need to test to make sure Im getting the correct power levels assigned to the 9 modes. My bike has another issue, so I havent been able to test it. Herve. Ok. 11T Rear. The weather is supposed to be so so over the weekend too so hopefully ill be able to tune it, then try it and adjust as required. Opensource firmware for the BBS02, BBSHD - looking for developers/collaborators. I used your settings and everything went well. Dont change it to anything different. I can load it fine, but the numbers are all wrong. Close the program, unplug the battery, unplug the programming cable, plug in the display cable and connect the battery again. But you definitely should look into the biggest chainring your bike can fit. If all those fixes dont work, it could be that the controller is simply broken. The speed limit is overwritten by the throttle, so you will go as fast as you want. Any tips how i could change this via the programming tool? 5/76/58 Or is it to new, so it doesnt exist at the Moment and it can take something? After that you could change the current limit to a higher value (18A is the max). SOLVED! Hi, Setting the speed limit in the display is however way easier than doing calculation with RPM. 3) Mostly explained in 2. 3 Connect usb to laptop/computer in the correct sequence as I believe I damaged my usb programme cable By NOT following below, Disconnect display and connect usb cable to controller. Im looking for sites or people who have reprogrammed this engine or bike. This might mix up the signals, showing incorrect load results and the inability to write. I really want to make these improvements to my bike! You can always set the speed limit on the display to 25 km/h. If you dont KNOW that you need this fix, DONT do it. originial (confusing) instructions.txt Disclaimer: Reprogramming your Bafang system is not without risk. But since the programming doesnt work as well, I suspect that your controller is faulty. I want max available throttle but still VARIABLE on all PAS. Enjoy your e-bike anyway! Did anyone had the same issue or any advice? So I recommend just leaving it to 4. It can be bad if you wont pedal at all and let the motor do all the work with the throttle for example. Velo Fischer ETH 1861. The interesting thing is that YES, the programming does indeed work. Assist 3 of the display corresponds to Assist 6 of the controller Assist 4 of the display corresponds to assist 8 of the controller Assist 5 of the display corresponds to assist 9 of the controller. Hi Giel, Some questions about my bike range. This has to do with the highest gear ratio of the bike. I dont really understand the problem you have. Thank you. 2) I would be curious if I can just use my 52V battery and change the controller to be at 48V system? This way, the bike will stop assisting when a certain speed is reached, therefore it will not reach speeds out of your control. TommyL, Hi Giel, Just to update you on There is also no fooling around with com & serial port configurations in order to get it to connect. You could set it at 5-6A. Battery is 5 years old but seems normal, issue only started after replacing old burnt out controller with a new Luna controller. 4)plug in usb to laptop after 5sec i know this is a bit of a different question, but do you think it is possible to set the controller to 25km/h on startup every time when it is started? Thanks for your answer Giel . I do not have the MAX PAS setting in the display. That explains a lot hahaha. Just a question for information. I notice a lot of motor drag when trying to pedal without poweris that normal? So it will probably have trouble connecting to it as well. If changing it in the menu really doesnt work, you will not have any other option of getting it to display the right %. If not, can you tell me the setting changes Ill need to make? If you want higher acceleration you can set this value to 20 or 30. I use the following tools: I am happy that you like the website, thanks! Many thanks for your reply! You then cant change the speed limit on the display of the e-bike. Your speedometer will then still work like it should. So you can absolutely only change the current limit and have the same recommended settings for the BBSHD. u need smaller wheel sprocket and bigger crank sprocket = more speed less torque. I have a bss01b 250w motor. When we ride with PAS what gear should we choose: as we usually do without PAS to ride with cadence 90 or more or less to get maximum efficiency from the motor? Turning the battery off and on instead of replugging it, shouldnt be the issue. Thats why I state it in this way. Interesting now even the battery percent is pretty accurate even though I normally have the display set to volts. If it reads to 20A default, this is absolutely fine. What do you mean exactly? Good luck! If nothing happens, download Xcode and try again. I wouldnt exactly know what causes the issue, but I know for sure you cant fix this with the Bafang programming software. You can also try to upload the file that I have configured for the 36V version. I get that you can use throttle to power through hills in short burst but that still means I have to be in PAS for throttle to work. Will do soon and let you know. I was wondering if you know what is the *stock* current limit for this model? The idea it to save more battery power by having the motor run as if the battery is a 48V battery. I found a write up on programming the Ultra Max, which is Bafangs M600. If any problems will occur in the future, you will be able to fix it. But your behaviour is a bit weird. If you see a security warning, don't worry, just click on "Run". Only execute the procedure yourself if you are confident that you can do it. I would be retrofitting this to a legit mountain bike one of my bikes is a hard tail with a legit front fork, legit hydraulic disc brakes and 1 x 10 shimano drivetrain. Re: BBSHD Voltage Problem Firmware Update & Instructions Only the Bafang BBSxx series can be reprogrammed. I have a rear-drive motor (this one: https://bafang-e.com/oem-area/components/component/motor/rm-g060750dc/). Does it not turn on anymore? If you set the same levels as the article states, you will have your desired assist curve. I did some calculation and the speed I got was in fact 30% of max motor rpm, ~40rpm for that cog. I have found two faults and it was Mainly the five pin connector going to the display ! This isnt really a setting that you can change. It also is not too responsive, which is good. Is this normal? The main aim is to be able to carry a lot of work gear etc. I recommend setting all the Speed Limit [%] to 100%, this way the motor will only stop assisting when you hit the max speed that you set on your display. I have a small suggestion, maybe a video of the whole process will be very useful. Currently, Im using the config tool and a USB sniffer to see what serial data is being sent. The battery percentage indicator tends to be a bit inaccurate on the Bafang displays. Should I order new controller or first check something else? Tried to change the amps to 30 but still doesnt work. Download Bafang Hub Motor Review Better than the BBS02? bbshd instructions rewrite.txt To maximize range, you should pedal along in the assist level that gives you just enough power so thats is still comfortable. I will respond to you within 24 hours. The second issue was a faulty usb cable which made me believe the controller was faulty. Can you help with that? This is the only speed sensor that works with the Bafang BBSxx, this setting is the default. Especially when you find 250W motors poewerfull enough already. Thank you! Display works correctly, the computer see the controller, I reprogrammed it, but it didnt help. I hope you are still able to troubleshoot the problem. Would like to know, can be very helpful for others. I am not sure what you are asking for, could you clarify? Hi Giel So you definitely dont have to worry about that. My screen have always been set to 48V. Its unlikely that it can damage your motor, but it definitely will give an incorrect speed. Cheers Giel! So thats the only way to do it. So if the Current Limit [%] is set to 50 in assist level 5, it will use (0,5 * 18 = 9A) max in assist level 5. This will just result in a decrease in range. It, in turn, will decide how fast the e-bike will accelerate. I fixed the issue, thanks for letting me know. This firmware is compatible with all displays that works with the original Bafang firmware. You are now ready to test your new configuration. So I would in practice just choose the gear that is most comfortable to pedal along with, it might be a bit less efficient, but it does make riding the bike much more comfortable. Does this cable and the software also work with the latest version of the Bafang mid-engine: the M420? Thanks for reply. As far as I know, there isnt a proper way to get only throttle working in assist level 0. FAQLoginRegister Hi, can you tell me wich setting i must change to have fulltrottle (100%) ability in every pass stage? The maximum will be 20 (24 is a full rotation). I have a BBS01B, could that be it? Having max throttle power in all PAS levels is definitely something that you can do with the programming software. Thanks a lot for your detailed comment/explanation. So i ventured into the programming today. Ready to program!!!! I guess I should phrase my question in a different way to shed more clarity. Daarom is het een vrij nutteloze feature van het display.
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