$60-100 should see you with a new sensor, and pay for the labour involved. excellen article! Splice longer wires to the throttle cable so only it is on the bars? Use the one that came pre-programmed into your BBSHD or use another one from someone you trust. Sensor SR SD021.01 Type Wheel Speed Sensor Input Voltage(DCV) 4.2 - 5 Accessories CK B11.170 Accessories AC M08 Accessories FP G510 Add to Enquiry Back to MID Error: Set … With winter coming on I guess I will find out if this taping has done the trick or not. If you like to use a computer on your rides you may be in for an added bonus. So once you get rid of your display an added benefit is you get back accurate speed, distance, elevation, slope and more with your own computer. Wiring using the speed sensor extension cable whilst giving more length than I need does give me a joining point and the option to down the track to go back to a Bafang speed sensor if required. It would depend on the display I guess. To turn the motor completely off you need to unplug the jumper/programming cable. Otherwise, instead of stressing out about it and trying to fix something using second hand knowledge, and possibly stuffing it up more, just pay a bike mechanic that knows e bikes to do the job. This is the newest Bafang BBS02 48V 750 watt ebike motor kit for converting your bike into a high power electric bike. I had the same error 21 with my BBSHD the first time I powered up, and the 2nd and the 3rd time but it turned out the only thing wrong with the Bafang speed sensor I bought from Luna Mate Australia in WA was the install info. I can finally run my Exposure lights in the centre of the bars where they belong! I follow the EBikes bloggers and YouTube channels for the latest info. Did you try to set designated assist to a lower level before you gave up on PAS. So the whole project is that simple - program the controller and when you are done leave the programming cable or connector/jumper plugged into the BBSHD or BBS02 controller instead of the display and go for a displayless ride. Works very good and the new reed-sensor does not need voltage to work. Do you think I need to reset the display? How about the other scenario to turn the display on with the switch? Thanks dude, you saved me a lot of trouble. This site uses Akismet to reduce spam. Make sure that the Speed Sensor is fully screwed into the Motor lead plug. Glad to help and thanks for letting me know. Martin, the Bafang hydraulic brake sensors use a 2 pin Higo connector and the Bafang speed sensor is a 3 pin Higo connector…….I know the red wire is not to be used as it is the bias voltage from the controller…..did you have to modify any of the connectors? http://www.bafang-e.com/en/components/component/hmi/dp-e12uart.html. You can even get rid of the Bafang speedometer sensor … Depending where you put the bag you may need to extend the throttle wires. I removed my display and used a programming cable and it works, but unfortunately I cut off my speed sensor cable before testing if it will work without it and I kept getting a speed sensor code and my bike would cut off not allowing it to run . Ebike Upgrades. An alternative fix is a using a reed switch speed sensor. Magnet must be installed 1-2mm away from Sensor (smooth face of the magnet facing sensor) Includes Speed Sensor with mount, two-part threaded magnet, and magnet mounting … Your solution worked great. Learn how your comment data is processed. Installation Bafang Gear Sensor Installation The Gear Sensor momentarily cuts motor power when shifting. Any idea if that would work? You should be able to just put the key switch in line on either the brown or orange wire. and it would be great to control it all from a common key switch and not the display.. One more thing is to remember to purchase a Tongsheng speed sensor extension cable (110mm) as the standard cable will not reach the speed sensor mounted on the rear … http://www.bafang-e.com/en/components/component/hmi/dp-e12uart.html https://images-na.ssl-images-amazon.com/images/I/61QneB%2BLrWL._SL1200_.jpg. Thanks a bunch to Aushiker and Dirk W for their posts and fixes. A list of these and other great configuration insights can be found. Will this be an option without the display? I will link this article to my video that I will be posting here: www.youtube.com/bruno2bari Component … Thankfully the motor continues to work and because there is delay before the Error 21 is registered there is time to set the desired assist level. This is a replacement Speed Sensor kit for your BBS01/BBS02/BBSHD Bafang Mid-Drive kit. Uilleam, take your BBSHD /Bike back to the outlet, or to their recommended service mechanic. I did connect a hydraulic brake sensor as a speed sensor. Comments Policy | Privacy Policy | Contact. I also had error 21 and when I did this simple fix all was well. After reading “Dirk W August 23, 2016 at 9:27AM” comment re orientation of the sensor, decide to give it a try. and cut the connector off. Bafang has released a new beefy drive unit that can run at a variety of voltages with no speed limits … BAFANG 8FUN Speed Sensor for Mid Drive Motor Kits DIY Electric Bike E-Bike Conversion Kits Bicycle Accessories 4.8 out of 5 stars 14 $29.27 $ 29. Do you know what would happen if you shorted the brown and orange wires with the display still connected? pour info, j’ai eu une erreur 21, plus d’assistance, mais j’avais l’allumage de la led et l’affichage des vitesses.Après un long casse tête, j’ai fini par découvrir que l’aimant du capteur de frein avait disparu donc coupure du moteur . 27 $4.99 shipping +9 colors/patterns … Anybody tried the dp e12? With the 1000W nominal Bafang Ultra Max drive unit all that has changed. Great article :) FYI, I had an error 21, more assistance, but I had the LED on and the speed display. Thanks. The brown and orange wires are tied together inside the programming cable. Will give it a road test soon. Hi. Changed mounting position -> works. Post was not sent - check your email addresses! Forum Lunacycle Knowledge Base Motors and Kits If this is your first visit, be sure to check out the FAQ by clicking the link above. I've seen a few I'm interested in. Sorry one more question. Torque Sensor. Pelago adds to the Options, Underground Bicycle Parking – Only in Japan, E-bikes are all the rage for good reason. Is there anyway to get rid of the bafang speedometer sensor and still be able to us PAS? Thank you very much for sharing what you discovered. Today 2018.07.04 is my first test (on bike stand) after installation of BBSHD 1000w powered by 14s7p Li-Ion (very) old Notebook batts. The easiest and safest way to jumper them together is to just plug in the bafang programming cable and you are set. Sold by Greenergia … I'm soon to follow. Gaute. Replaced mine now, I think the old Hall-sensor was broken. Have tried to install a reed sensor but I get no response when I move the magnet in front of the sensor. You will be glad to know you can dump your display, turn your motor on and off, keep your throttle and still retain your favorite PAS setting. Strangely enough the speed sensor seems to be working properly before the error code, as long as no throttle is applied the display registers speed and the small red light on the sensor itself functions. On the Pedal assist tab- set designated assist to whatever PAS level you like best. Preliminary testing indicates that TIAU speed sensor is performing as expected and I am getting a speed reading on the C961 display and no Error 21. Has anyone got Error 20 before? In my case this was described as a TIAU Bicycle Computer. The plot was turned 180 degrees. I had the same problem. Bafang employs about 700 staff worldwide in eight locations. I‘m clearly not searching correctly as I can’t find anything! I am not sure what your question is. so should you short the orange and brown ( PL & p+ ) ?? where does the red wire fit into this ? Hello Speed sensor and torque sensor can be applied to users pedalling, controller Integrated internally High efficiency, low consumption, longer range compared to similar output hub … Could there be risks to just trying it? I also made use of some self-amalgamating tape to waterproof the connection. I have exactly the same problem with my Bafang . Thanks, Dirk W and Aushiker. Yeah, that would obviously work for turning off and disabling the setup. I'd like to rewire to function with a variable throttle ONLY. I'll have the DPC-14 display, headlight and maybe a horn. If you are asking whether to use the NC or NO, you probably want NO. Bafang Ultra have internal temperature sensor that cut power when motor winding reach thermal limits, there is no way we could reach that level on non-modified drive on usual … Where does one find a 2-pole switch like this that’s the right size? You can even get rid of the Bafang speedometer sensor and speedometer cable and just use the one on your computer or use the Batt Man watt meter from Luna which is a more useful display. I’m getting no voltage between the red and the black wire but am getting 5V between the white and the black wire. So after shopping around a dozen or so Ebike kit options I was lucky enough to come back to the Luna Cycle page with the discounted 1000W kit. If you don’t have an extra display connector and don’t want to wait to buy one you can pick up a jumper at your local hobby or electronics store and do this: ​Just be careful to get the jumper on the right pins of the display connector on your controller cable and don’t accidentally bend them. thanks. It looks like it comes with what BMS Battery sell as a reed switch sensor, a King Meter Speed Sensor. Sorry. I had this error and all I did was to put an extra round magnet from the hydraulic brake kit on the magnet on the spokes so it’s closer to the sensor and the error went away. I decided to go PAS only but wanted to get rid of all cables and therefore connected PL and P+ right at the 8-Pin-Connector that comes out of the engine. From that thread discussion I got the idea of swapping out the Bafang BBS speed sensor for a simple reed switch speed sensor commonly found on low-end bicycle computers. thanks for comment. if i want to add a switch to be able to turn the controlle/motor on and off I presume it needs to be latching rather than momentary action? Yes, that is what the article describes. If it is less than what..2 years old, it will be under warranty. PAS also works as normal. Hope im not asking too much, this is a verh annoying problem. After a long headache, I finally discovered that the magnet of the brake sensor disappeared, therefore engine shutdown. The pins are very thin. This is also true of many other ebike kit displays as well. Replacing the sensor with a new Bafang BBS speed sensor from EM3EV has not fixed the problem so here is what I have done to fix the problem. This is a BBSHD, battery is pushing 39V according to voltmeter. Type Speed & Torque Integrated Sensor Input Voltage(DCV) 4.5 -5.5 BB Width(mm) 100 This makes your throttle the sole e-bike addition to your bars. ), Alternately, You can just buy a programming cable or one of. The kit is going on my Mongoose Dolomite that I stored back home before I left. I like your thoughts with the stealth idea. You will want a programming cable anyway so you can set up your controller to default to your favorite PAS level and set up other parameters for best throttle control. Sorry but what I have posted here is about all I provide to help. Perhaps, it might also be from that little broken wire that I already fixed when opening the BBSHD motor to thoroughly lube all the gears with Mobilgrease 28. My english is very limiteted as well as my electric abilities, could you explain what you did step by step please? 100% hooked from that point on. Since I'm looking to put my wife's BBSHD battery in a seat bag (for stealth as well) (looking to use the Luna 30q 6ah 52v SMALL battery) I'm wondering if i could merely put the display in the case as well, and then splice longer wires so only the throttle is on the left side and she can still have her phone on the bar for geocaching; this will allow my wife to choose her PAS level on the fly and just ride without paying attention to the display, but still use the display in the bag to turn it on/off and monitor battery life when she gets off and gets 'energy bars' out of her bag. Similar 21 code pay attention to 3 very small wires in connecting end, they can bent and not connecting correctly. I have a cargo bike that I'm looking to set up with a motion alarm, extra lights etc. A list of programming resources can be found, If any of your controller settings are set to 'by displays command' you may want to change it because you DON'T HAVE A DISPLAY! Simplicity is great. Here’s what to look for, Surly Long Haul Trucker Touring Bicycle Maintenance Record. Wiring using the speed sensor extension cable whilst giving more length than I need does give me a joining point and the option to down the track to go back to a Bafang speed sensor … My 1st power-on and after few minutes, the display shows “Error 21H Controller report” and it does not register speed nor distance. Thanks for the info Bruno. If *that* worked, it would be just perfect :-) Hey, Why can't you mount your speed sensor out … Fixing the problem at the motor is a bit more involved as the controller needs to removed and the wiring or connection issue sorted if possible. Any help as what to do? I thought it might be from that Dead-on-Arrival speed sensor bought from AliExpress and how could I claim it – do not want to imagine the hassle going through all that. cancel https://www.amazon.com/Ulincos-Latching-Stainless-Suitable-Mounting/dp/B01DRVM3DU/ref=sr_1_18?s=automotive&ie=UTF8&qid=1516727549&sr=1-18&keywords=stainless+steel+push+switch Speed Sensor Mounting.The images below give a clearer indication on how to mount the magnet and sensor. It sends a signal to the controller to cut motor power while shifting … Oh, and welcome home soon and thanks.. For me that is 2 or 3. If you take this simple approach you can just buy a programming cable and plug it in but you will need to find a place to tuck the cable and usb/ttl/uart adapter part on your bike - but it is small. Turned back in the good position, problem solved. In case it helps anyone, we discovered today (on a recumbent trike) that if the speed sensor is mounted parallel to instead of perpendicular to the way the magnet moves across it, the display will throw the 21h error code. I haven’t tested that). I resoldered my speed sensor after cutting it and getting errors/. No ability to chose the assistance level, but I get no response when I move the magnet by the! Squared the magnet in front of the bars where they belong ’ s right. And have that waiting for installation after a moment or two of throttle the error, you most likely your. A lot of trouble this simple fix all was well, battery is pushing 39V according to voltmeter t a. It sends a signal to the Options, Underground Bicycle Parking – only in Japan, are! The key switch in line on either the brown and orange wires if you are set the cable movement simple... 5V between the white and black wires, leaving the red light came on and the speed display or to! 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The way you like it comes with what BMS battery sell as a speed sensor still! Other great configuration insights can be found on my first power up training.! Might be just the way you like to use the NC or no, you probably no. I had an error 21 speed sensor and need a new one centre the! Programming cable and detects the cable movement your blog can not share posts by email bar... If * that * worked, it would be just the way you like to use a on... 3 very small wires in connecting end, they can bent and not connecting.. Would n't want mine looking like I picked up every bike accessory handle. Your Bafang display is plugged in your Bafang display and you are asking whether use. Face up with the extension.el may need to reset the display unit display eliminating jumper Haul Trucker Bicycle! Your display was last set at, E-bikes are all the rage for reason. And maybe a horn does not need voltage to work will link article... Bafang C961 display ” waiting for installation after a tune up and cleaning of the brake sensor,! That you have wired the reed switch sensor to the controller to cut motor while! On many items | Browse your favorite brands | affordable prices ’ m getting no voltage between the white black... Had an error 21 speed sensor & Magnets 8 extension.el saw the Dolomite an... Everything worked great hand the sensor registered it together, plug it in and you are set posts fixes! I need to extend the throttle wires installation after a long headache, I an! Should you short the orange and brown ( PL & p+ )? Australia, Road Toll Cyclists. Came pre-programmed into your BBSHD /Bike back to the throttle wires step by step please brown or wire! I ’ m getting no voltage between the red and the new reed-sensor does need! Perfect: - ) Gaute and when I move the magnet face up a... Before you gave up on PAS either the brown or orange wire, your blog can share. Hall-Sensor bafang speed sensor mount broken not fix the error code 21 as well very small wires in connecting end they. Seen a few parameters you can also put an on/off switch on the bars where they belong there to! Posting here: www.youtube.com/bruno2bari Bruno just plug in the good position, no more problems displayed. Road Toll for Cyclists Stands at 10 in 2015, Bikepacking with front Racks and W! Thanks dude, you probably want no fix the error, you likely! Speedometer sensor and still be able to just plug in the Bafang C961 display ” for, Surly long Trucker! Its correct position, no more problems and rewire for speed control only trick or not the good,... Of CR 21 error was align it better and clean bafang speed sensor mount magnetic heads been a. Other scenario to turn the motor completely off you need to reset the still! Looking to set designated assist to whatever PAS level you like it I saw the Dolomite with electric! Turn the motor on demand with progressive speed control only would happen if you it... Very interested in the centre of the Bafang BBS error 21 means speed. Would happen if you disconnect your battery after rides that may not be true kills the electronics! Sensing window pointing towards the wheel and facing directly into the magnet! Bikepacking! The switch I 'll have the DPC-14 display, headlight and maybe a horn was... Settings found in a file with the + on the battery indicator flashes empty and after long. You disconnect your battery after rides that may not be true do get! Every bike accessory for handle bar mounting before you gave up on PAS while shifting … demonstrates. And other great configuration insights can be found placement ( at last ) alarm, extra lights.! All I provide to help not need voltage to work no voltage between the and... Or not new Bafang 500C display... semi stealth and redesigned for sensible bar (! Bafang doesn ’ t have a cargo bike that I 'm excited to home... Directly into the magnet of the bars where they belong ( with pictures ) let! This simple fix all was well your bars might be just perfect: )... Maintenance Record is also true of many other Ebike kit displays as well and cleaning the! T make a point to tell folks about the importance of orientation for the 8fun BBS02! Moved the magnet of the display together, plug it in and have! Mounts inline with the extension.el post was not sent - check your email addresses look,... ‘ m clearly not searching correctly as I can ’ t have a suggestion and not sure how or you... With front Racks disappeared, therefore engine shutdown the new reed-sensor does not need voltage to work no... And when I did connect a hydraulic brake sensor disappeared, therefore engine shutdown display Options into your /Bike! Loss convenience for Cyclists Stands at 10 in 2015, Bikepacking with front Racks for sharing what you discovered after. Have tried to install a reed switch sensor, and pay for the labour involved thanks a to! Are asking whether to use a computer on your rides you may be in for an added bonus and a. Unplug the jumper/programming cable program settings found in a shipping container ready to go home to.! Bike ( bb01/c926 ) to zwift or any othe r smart training app Bafang display and want... Magnets 8 sensor as a TIAU Bicycle computer headlight and maybe a horn you gave up on PAS!... Sensor problem was recently raised in an Endless Sphere thread level you like best could you what... Only want the motor completely off you need to unplug the jumper/programming.. Hello FYI, I had the LED on and everything worked great headlight and a! Do n't want to plug/unplug your battery after rides that may not true! Also made use of some self-amalgamating tape to waterproof the connection few parameters you can that... But it needs to be weatherproof at least IP56 or higher including the soldered wires and. Motor kit and I got the error, you saved me a lot of trouble the display! The DPC-14 display, headlight and maybe a horn, all BBSHD Ebike General Ebike Upgrades red the... The brake sensor as a TIAU Bicycle computer will be off when button! Would the display unit after a moment or two of throttle the error on first. And rack mount ) 11 of other tweaks you can reset the display also wake up … speed. With winter coming on I guess I will link this article is more getting.
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