Well you cant now without cutting into the machine. It was updated with a controller with 3077 FET's and that improved on the issues. Thanks much! Melted windings can frya motor, a hub motor is shown not the BBS02 unit, Just because the motor wont work does NOT mean the controller is dead. [ COMPATIBILITY ] The gear shift sensor is compatible with BAFANG BBS02B BBSHD BBS01B 1000W 750W 500W 350W and 250W mid drive kit ; [ FUNCTION ] If you are ordering a 8fun mid motor , this derailleur shifter cable will be you necessary part for electric bike conversion . Its much easier to just do the secondary side which only takes 5 minutes. Most people have a favored foot that they feel most comfortable being forward when you are not pedaling, just swap it with the other foot and keep ridinglike a hooligan. the reason some of the new BBS02B units fail after a few kilometers of driving for some of the commentators here is pretty simple: the controller is as usual filled with a breakable putty-like mass. Ive installed 3 version As with no problems! i bougt a new one and hardened it up to 62 hrc, now it runs since 4000km perfectly. Can this be programming setup? Can anyone help, suggest something to try ? If you have a 68mm BB BBS02 then most likely the main locking nut on the drive unit has loosened up. https://lunacycle.com/bbs02-mid-axle-assembly/ No modification is to be expected on your bike, except the removal of your original crankset (this is the most complicated part.) Assembled the ebike, which went well. The procedure for taking the drive unit apart is nearly identical for the two units. On the other side it should be marked with the outer and inertia size of the seal. In practice, both versions, output more power than indicated. The most common of these codes is the 21 code which shows a problem with the speedo. I've followed the knowledge base and I'm as sure the battery is working as I'm sure the display isn't the culprit. This is less of a problem with thenewer mosfets, but it can still happen. Controller Before trying anything in this guide, please start by unplugging anything that is optional such as ebrakes, gear sensor, removing aftermarket switches etc. I prefer the Speeed program that works on my Android cell phone. I have also checked battery with multimeter, giving me 41-42V. its a challenge every time. The pleasure of driving with this engine is present on each outing with the bike thanks to its performance, the quality of the kit is excellent. Here is the list of items you will find in your kit: I use a Junstar 48V battery (with Samsung cells) and 17.5Ah, mounted on the frame on my Trek VTC and one on the luggage rack for my wifes VTC Decathlon. BAFANG Gear Sensor for Mid Motor : Shift Sensor for Mid Drive Electric I live in Lyon and even if the weather is fairly mild most of the year, it sometimes rains. If you are having continual chain problems where the chain keeps slipping off the chainwheel no matter how you adjust the tension then you should swap the chainring out to aRaceface Narrow\Wideor aLekkie Bling-Ring. Too much torque on the lock nuts shreds the rubber washer. At least one kit builder with a BBSHD tore the gasket and water migrated into the motor. Here are some more pictures from the modification: I also analyzed the night mode pin layout of modern BBS displays, which will switch several signalling lines on the PCB (but one should add another transistor/FET protected load circuit afterwards to switch higher loads over this just mA-wise signalling lines) for usage of external headlights or light systems. Installed my first B version on a customer and controller crapped out at 2.9km!!!! How do a know if Ive fried my controller ??? It has been around since 2014 and has been constantly optimized over the years. dear karl, BBS02 & BBSHD Chainring CompatibilityThe Mid Drive motor chainrings are specially designed to operate with the motor that it is intended to be used with (ie. The BBS02B lasted 30km. the parts/connectors were mostly selected for the reason of size and fitting together as much as possible contacts with compatible ampere ratings. The bike will not turn on. Without acheap watt meterthis is very difficultto do. and fit it to A? The BMS does not communicate with the controller/motor whatsoever. As I told you above, I use my bike equipped with the Bafang BBS02 kit on a daily basis. BAFANG BBS02 750W MID Drive Ebike Motor Kit User Manual I want to salvage anything I can from the A. Its relatively cheap and an easy fix, the instructions are locatedhere. I can put one of my 36V packs, about 41 volts at full charge on my BBS02 and it powers up, but with a low battery icon, If I had one at 38V, I'd try it, but that will have to wait til I run it down them down with a ride. Any further updates on custom programming for the B version ? Wait 5 minutes before starting off again, if youre on a steep 20% grade hill then I usually will just walk my bike to the top as the motor cools. A list of ebike & bicycle acronyms & definitions to help out new members! I think it might be the controller but don't know how to test/isolate and if it is I can't see how it has suddenly failed. the edge is visible here http://www.ts-export.com/_mb/bbs02_31dec2016/IMGP0401.JPG and there http://www.ts-export.com/_mb/bbs02_31dec2016/IMGP0407.JPG, the removed washer is visible left to the word Chaudiere here http://www.ts-export.com/_mb/bbs02_31dec2016/IMGP0402.JPG. Does it have better sealing for grease, because Ive ordered 750w bbs02b and Already orderd mobilgrease 28 to regrease everything before installing the kit. I was in PAS 1 just starting to pedal and it took off 0 to 24 in 3-4 sec, stop pedaling and the speedometer goes rapidly back down to 0 then the battery symbol on the display starts flashing and then NO POWER. but too much is too much. Im worried about damaging the casing if I attempted using pullers so would be grateful for any advice on this. Ebike Control/Display Settings - Can you help me determine what some of these should be set to? If you want to keep your primary reduction gear from failing then I recommend that you put a smaller chainring on it which greatly reduces the load on this gear. BBS02 chainrings will work with BBS02 motors and BBSHD chainrings will work with BBSHD motors). What they really hate is being in too high of a gear with too slow pedaling cadence on too steep of a hill. See images, if interested. You can clearly see the differences in version A (left) and version B (right). Also,,, pretty sure its the B version because i just purchased it 2 weeks ago. it will do its way into the rubber around the steel washer then bump into the frame where the internal diameter is smaller. greenbikekit.com/electric-bike-kit/central-motor-kit/bafang-bbs-spare-parts.html?limit=45. ? Way too large or different geometry. My PAS no longer works although my throttle is fine as is the Walk Mode. I have had no issues with my BBS02vB. When you are ordering parts to repair your BBS02vB make sure that your Bafang parts dealer has some idea of whether the parts they are selling you are for Version A or Version B. But none of he BBSXX have torque sensing. I will have to replace all gears (which are damaged) and all will fit in. If the nylon gear is fine when you take it apart then you should check the secondary reduction gears (both are metal so unlikely to fail) and also check the freewheel which is located on the main axle inside the large metal secondary reduction gear. If there is any problem with the inventory, we will send you . I have a BBS02. Bafang BBS02 B (750W): REVIEW after 3 years of testing This page was generated at 1 minute ago. I tried gently tapping the shaft but seen no movement. The only thing working for me is a needle. 89.16US $ 23% OFF|Bafang Bbs02 Bbs02b 48v 750w 25a 9t Upgraded Controller Gear Sensor 6v Light Cable For Mid Drive Crank E-bike Conversion Kit - Electric Bicycle Accessories - AliExpress. Bought from Lunacycle with an extension for the on/off switch and Xt90 connectors. When using the pedal assist I keep using power. Last edited: Aug 24, 2022 Dewey Well-Known Member Region USA If you respect this, I guarantee you will be able to do many miles together! When plugging in my programming cable my battery caught on fire. My mobile phone is +4530241743. If you buy a drive unit with a battery pack most reputable vendors will set the LVC on the BBS02 to match the pack it is mated to. I wish you good luck sealing the nylon gear fat against the second gear reduction stage.. , Hey, does anyone tested bbs01b 350w for an extended period? I wouldn't go wading, use a hose or allow much front wheel spray to hit one of those units. Have tryed to google the Problem etc but cant find any Info. Check the easy stuff first like ebrake connectors. Can be assembled in under 2 hours. Swapping out the controller or cable is not going to help, talk to the vendor you bought the BBSHD from and get a replacement display. the problem is maybe our distance, im from austria, and you? well there aint no way past this thing. For who ? The missing files can be found here: Thankyou, these files have been added to the Download package in the post above. The M600 and Ultra have torque sensing but not the smoothest power delivery. Sounds like Bafang just wanted to build a better street legal mid-drive with a true 750 watts. It is necessary to check that the grease has not hardened, especially if you have been using the engine for several years. Ive recently fell in love with the XT60 (60 Amp load limit) and XT90 (90 Amps load limit) connectors and Ive been using them as my new standard on my packs and drive units. Windows Laptop / PC - Required to install and run the programming software. 2. Troubleshooting Problems On Your BBS02 Unit - E Smart Way It has 9 levels of assistance and it even comes with progressive assist technology. You can pry it out with a needle but youll end up with a bended needle. Youwill need to remove the axle and then remove these large Phillips screws (they are replaced with the much preferredhex screws on the Bixtrix 100mm drive unit) apply locktite and replace the screws torquing them down as hard as you possibly can without stripping them. but i lubricate it every 100km with 1ml gearoil, so it is always fresh lubricated. Just not main battery to controller connectors. Ive installed 5 version Bs, only one controller failure, and it was because I washed an open power connector. check this post for description of error codes. You tighten the first nut down so that the bearings are perfect and have a barely perceptible movement when the axle is shoved back and forth. But it seems to be working now. Switching to Volt it still shows 52V or so. Would you be able to convert A to B? thanks for your reply. In the future you may want to buy from a dealer that knows what they are actually talking about. The v2 of the BBS02 has a new rubber washer at the end of the axle that I have yet to figure out how to get past without completely destroying it. My favorite throttle, a right hand thumb mounted on the left side. This could be a battery (no longer think this is a battery issue; see my battery voltage test vid. The advantage of a crankset motor like this also lies in the fact that it provides incomparable driving comfort thanks to the weight which is located at the level of the crankset, the center of gravity of the bike. I rode it around for about 15km, and thought "great!". Doesn't make any difference what gear, what PAS setting i use, and it happens at different speeds. . eBike no.2: SCOTT Scale 40 2010 with a Bafang BBS02B installed Are there any indications that the new nylon gear is any more temperature resistant? As you surely know, behind the idea of choosing your electric bike kit and installing it yourself, there is a real philosophy of Do It Yourself and above all, the idea of making great savings. *HELP*. But Im between BBS01B and BBS02B. i can really suggest for everybody. Bafang BBS02 48V 750W mid-drive PAS Problem i just disassembled the old controller and soldered the old mosfets off, so it will not be a problem to solder the new one.
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