I am not sure what your question is. 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. The brown and orange wires are tied together inside the programming cable. I assume that you have wired the reed switch sensor to the white and black wires, leaving the red isolated? It is not. AWESOME article!!! Thanks! http://www.bafang-e.com/en/components/component/hmi/dp-e12uart.html Maybe your wireless computer stopped working when you plugged in your Bafang display and you want it back. Replacement speed sensor for Bafang BBS01/02/HD motors. You should be able to just put the key switch in line on either the brown or orange wire. 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. Here is the wiring diagram: I've been riding a Surly Moonlander Ops in Kuwait since January. 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. After a long headache, I finally discovered that the magnet of the brake sensor disappeared, therefore engine shutdown. At the beginning of the article you say to short the red and brown wires , but then go on to say short the brown and orange wires??? I am a veteran of far flung wars myself. Will give it a road test soon. excellen article! Mounts on chainstay. 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 … I've seen a few I'm interested in. ​Maybe you wish you could get rid of your display entirely because either you want to be super stealthy or you have a speedometer/computer you prefer and you find the display redundant. 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. Speed sensor + magnet Wiring harness Two crank arms (left and right) Mounting hardware Bafang lock ring tool (not always included) You can see that with 4 components you … 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! This site uses Akismet to reduce spam. Bafang employs about 700 staff worldwide in eight locations. Comments Policy | Privacy Policy | Contact. Im having the same problem with my BBSHD Display C965, the error 21 is a very annoying thing, im new on this things and now i have a problem like this, seems to have not a simple solution eh? This is the newest Bafang BBS02 48V 750 watt ebike motor kit for converting your bike into a high power electric bike. Any luck on having the on/off no display and still have the assist levels?? I was about to make a video two months ago showing the exactly same procedure (brown and orange wires) but I decided to test it very well first and find out pros/cons, so far the only downside is that I never use PAS and without the display it kicks hard on the BBSHD on level 9, so I had to use my programming cable to disable the PAS on software, easy procedure for me but some people are scared to do the programming themselves. thanks for comment. Most have it at "By displays command". I did connect a hydraulic brake sensor as a speed sensor. With PL disconnected from the display to turn off by key switch, or with it connected and a momentary switch (spring return) to enable the displays auto-shutdown to work. (More on configuration programming in a moment. To turn the motor completely off you need to unplug the jumper/programming cable. 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 … Will this be an option without the display? 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. A list of these and other great configuration insights can be found. Have you ever thought you don't get much out of that big bulky display that came with your BBSHD or BBS02 Bafang mid-drive motor? Oh, and welcome home soon and thanks.. I haven’t tested that). It works at an instant after I re-orient the sensing window pointing towards the wheel and facing directly into the magnet!! Speed sensor on lower suspension stay on non-drive side. Folks, check out the new Bafang 500C display... semi stealth and redesigned for sensible bar placement (at last). 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. Hi. 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. If you are worried about potential battery drain (there is very little without the display) by leaving it on and don't want to plug/unplug it each time you can wire it to a simple 2 pole switch. I do not think so. http://www.bafang-e.com/en/components/component/hmi/dp-e12uart.html. IIRC I was not getting any voltage at all. Low voltage cut off is also different now, with the display plugged in the motor kinda "tells you" few times before it shuts down, without the display it feels instead of cut it feels weak and weak... then cuts.. then comes back.. then cuts again.. then comes back again... it still cutting the power but is a little bit different and not very clear. In my case I did try a replacement Bafang BBS speed sensor without any luck and I suspect I have a problem at the controller end (the speed sensor is “hard-wired” so to speak into the motor). Any thoughts? Installation Bafang Gear Sensor Installation The Gear Sensor momentarily cuts motor power when shifting. I like Keep Current at 60 to ease off the motor when you come up to speed pedalling but others like it at 100 to keep the throttle on full no matter how fast you are pedalling. There should have been two 5mm shims in your kit to accommodate the 73 mm bottom bracket shell to non drive motor mount. Bruno. Dump your Bafang display for stealth and better display options. As it was I had a speed sensor extension which I no longer use following the switch over to the Giant Defy 1 so I had something to experiment with. Hello is the light-function by default on or off? I also made use of some self-amalgamating tape to waterproof the connection. I would set the power timeout on her display as long as it will go so it won't shut off while she is taking a break. Gear sensor Bafang 750 BBSO2 Inmotion99 Sep 15, 2020 Replies 2 Views 236 Sep 15, 2020 Inmotion99 I G Bafang 500w rear hub 48v Gr3 Sep 13, 2020 Replies 11 Views … I’m amazed Bafang doesn’t make a point to tell folks about the importance of orientation for the sensor/magnet. Lots of other tweaks you can make that apply to bikes with and without displays. Same to me. Now everything looks good. Yes, a on/off button is a great idea but it needs to be weatherproof at least IP56 or higher including the soldered wires. It mounts inline with the shifter cable and detects the cable movement. I also had error 21 and when I did this simple fix all was well. The controller would power on obviously, but would the display also wake up? Thank you very much for sharing what you discovered. Depending where you put the bag you may need to extend the throttle wires. Sorry one more question. Bafang has released a new beefy drive unit that can run at a variety of voltages with no speed limits … 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. After reading “Dirk W August 23, 2016 at 9:27AM” comment re orientation of the sensor, decide to give it a try. I‘m clearly not searching correctly as I can’t find anything! 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. I used an old tire sock mounted right above the bottom bracket in main triangle to store excess cabling in a single … BBSHD On the Pedal assist tab- set designated assist to whatever PAS level you like best. Gaute. Speed Sensor Mounting.The images below give a clearer indication on how to mount the magnet and sensor. The black wire but am getting 5V between the red light came on and the Bafang! Lot of trouble assist to a lower level before you gave up on PAS the! Or orange wire 21 speed sensor & Magnets 8 project somewhere ( with pictures and. Did this simple fix all was well othe r smart training app 21 error align. File with the switch or orange wire a great idea but it needs to be weatherproof at IP56... Dolomite that I stored back home before I left I wrote about in the on. 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