https://electricbike.com/forum/forum/main-forum/diy-discussion/109869-bbs02-mid-drive-kit-basic-issues-fixed-on-rockhopper, I washed my bbs02 and it will try to go even took me a whole block today then quits its a month old can anybody suggest what I should do, Hi, Together with other friends we have buyed 4 motors BBS02b 750w 48v He showed up on time. My bike mechanic plugged it in and it works. However, I really do wish that the level of diagnostics available on the controller was better…. Throttles rarely fail. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. ... you may not be a candidate for the new shift sensor… If your motor stops working and it has been under load the first thing you should do is put your nose right next to the unit and take a good long sniff. The gear sensor senses when you are shifting and what direction you are shifting in and it cuts the power for an appropriate period of time for the shift … PAS sensor integrated 5.EB-BUS water-proof cable 6.Chain wheel + Chain Cover 7.Left Crank + Right Crank 8.Thumb Throttle 9.Nuts 10. Repairs covered by 12-month/12,000-mile warranty. Chevrolet Malibu - Fuel Filter - Las Vegas, Nevada, very knowledgeable, professional and fast. 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. I’ve switched displays and done continuity tests on all the cables. If your BBS02 has a Low voltage cutoff that is too high for your particular pack the only way to raise the LVC is to follow the instructions in the programming guide or send it back to your vendor for reprogramming. Want to figure out all your problems? any ideas on the cause and solution to this issue would be good. The best course of action on fatbikes is to twist the speedo up or down out-of-the-way then remove the tire for service and then twist the speedo back after the tire is remounted. Instructions for programming your controller are here and the programming guide is here. Material: ABS. Throw them away and buy another one. The reason this has happened is because your lock rings at the end of the axle have loosened. Wait 5 minutes before starting off again, if you’re on a steep 20% grade hill then I usually will just walk my bike to the top as the motor cools. It is the only original shift sensor … I am very polite with my motor, and working my bbs02 on 18A and almost never above 750watt. LCD display 4. The real color of the item may be … If either of these two things happen after unplugging the battery waiting 60 seconds and reconnecting the battery the unit should power back up and work properly. Greenergia BAFANG BBS Wrench BBSHD and BBS01 BBS02 mid Drive Motor Installation Tool: Amazon.com.au: Sports, Fitness & Outdoors Fast, free online quotes for your car repair. Where to find us. Hi Karl, great post! I’ve been able to use it occasionally, but its basically just a moped at this point and the battery dies rapidly since I cant put any of my own power into it. In so many ways Bafang’s BBS02 750W drive unit is a dream come true. This document will guide you down the often times confusing path of figuring out why things aren’t working right and hopefully get you pointed in the right direction to get it fixed. My pedal assist is acting Crazy! You can buy a 150Amp watt meter from lunacycle.com for $30 with XT90 connectors here which also works as a super accurate ‘fuel gauge’ for your battery. Was on time, was able to replace my brake pad on my range rover in a jiffy. This is for all the motors. Are you lucky enough to have thrown a code? ive just clocked up about 11k on my bbs02 since march 2019. im continually experiencing the motor engaging when im freewheeling and the only way to make it stop is to activate the ebrake or hit a small bump. Bafang BBS01/BBS02/BBSHD kit shift sensor. After several hundred hours of beating on the BBS02 with temp probes hooked up you will have a much better idea of what the drive units like and what they don’t like. Be careful not to get any black heavy axle grease on the white wheel. BBS02 throttles can also fail as can the BBS02 displays if you smash them on the pavement, but it is not that common of an occurrence. These screws must be locktited and torqued down as hard as you possibly can, The chainring wiggles laterally on the bike but the pedals don’t wiggle. You may also be interested in the following product(s). The speed sensor is basically the same as any other wired bicycle speedometer. 2021 The last step to completing the Bafang conversion kit was mounting the speed and shift sensors and wiring everything together. If you have a hard time keeping your hand there because it is so hot then you probably overheated the unit. Under load (myself riding or rear brake applied) it makes the bunch of (scary) clicks you mentioned talking about fried controller. 2nd controller had irratic PAS and Throttle response, no matter what settings I programmed with the Bafang Software Tool. Needed this cable to install a shift sensor on my ebike. The first is known as the input shaft speed (ISS) sensor. An automatic transmission is hydraulically controlled and designed to shift smoothly. 2.6 External Speed Sensor Installation SR SD02.01 15 2.7 Drive Unit Installation 18 3 System Cabling 25 3.1 Connection of the Battery Cable to the Drive unit 25 3.2 Connection of the Speed Sensor to the … Unplug the connectors for both ebrakes and the Giant Green Button (if you have one) before testing anything else. I never am. cleaned all connections with spray contact cleaner. Regular Price: $22.00 . Be aware that your controller can be fried and you can still hook it up to your computer and access all the settings. Some speed sensors are internal to the transmission and will require the transmission to be removed from the vehicle before the sensors can be replaced. Melted windings can fry a motor, a hub motor is shown not the BBS02 unit, Just because the motor won’t work does NOT mean the controller is dead. Cheap Electric Bicycle Accessories, Buy Quality Sports & Entertainment Directly from China Suppliers:Shift Sensor for Bafang E Bike BBS01 BBS02 BBSHD Mid Drive Motor Gear Sensor Three … Reprogramming your Bafang mid-drive system can improve the usability and performance of your ebike. It mounts inline with the shifter cable and detects the cable movement. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. display lights up, speedo works, battery full… but no drive / power when i twist the “throttle” and no power assist when pedaling. 1Pair*Brake lever (If you choose ships from china,and you want change to hydraulic brake sensor … The first one the motor would not stop after I stop pedaling, at first it was an intermittent issue and then it happens all the time. It can help rider to avoid some problems like chain or derailleur damaged also can bring some smooth shifting … I just cant put any human watts through the pedals/cranks, they spin freely. I have no idea how I got this much mud inside the drive unit. This is less of a problem with the newer mosfets, but it can still happen. btw i’ve fabricated some really nice pieces to deal with this kit’s biggest mechanical issues (motor attachment / support, battery support, and chain drop). Am I wrong? Did my controller overheat and shut down or is the battery dead? Bafang had a run of BBSHDs with a large number of failing displays during early 2016. I works but low power. It is difficult to know whether your connectors are working properly or not, but when you have problems between the drive unit and the battery, the connectors are the first place you should check. occasionally it’ll blip for a second, but then almost immediately stop. I’m a big fan of testing the easy stuff first and the BBS02 runs fine without the ebrake connectors. Type: Gear Sensor. Expect the rubber washer to be severely mangled on every drive unit  you get. This continual sparking when connecting the pack can eventually destroy almost any electrical connector, even ones like the Anderson power-pole connectors which are designed with a sacrificial tongue. There are two lock nuts on the axle that tighten against each other with a rubber washer in between. Super nice guy! The problems arise when things suddenly stop working. New Electric Bike Shift Sensor For Bafang Mid Drive Motor. 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 riding like a hooligan. If you find a fix I would love to hear about it. All Bafang mid-drive motors from Electrify Bike Co have a gear sensor cable coming from the motor controller so they are gear-sensor ready. But thats not where the story ends…. Without a cheap watt meter this is very difficult to do. Shifting into a higher gear will not generally create much of a problem, but sometimes shifting into a lower gear will. Programming the controllers is pretty easy and even non-techies can do it but it voids your warranty so be aware of that before you do it. $30 for a fuel gauge that will take 150Amps and is an amazing must-have troubleshooting device. Symptoms of a Bad or Failing Throttle Position Sensor. If either of these two sensors falls out of alignment or experiences electrical issues, it impacts the operation of the entire transmission. 1.8FUN 48v 1000w mid drive motor BBSHD bafang bbs motor 2.Brake lever 3. ( Log Out /  If either of these two sensors … Either the axle will twist back the other way and be fine or it will break. Should either or both of these speed sensors fail, you may notice one or more of the following 3 issues: Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. I would love to see your designs. no evidence of water, grime, chafing, or damage. A major weak-point of the BBS02 drive unit, the nylon reduction gear, My motor turns and I can hear it but nothing turns. Common signs include harsh or improper shifting, cruise control not working, and the Check Engine Light coming on. I am facing the same problem. Out of stock at Lunacycle, try California ebikes. The magnet must be installed within in 1-2mm of the Speed Sensor with the smooth side of the magnet facing the Speed Sensor. The motor controller use 12 x INRFB 3077 MOSFETs which enable the motor to handle the 30A continuous current. It's also common that a problem with these sensors can impact the shift timing, extending the interval between transmission shifts. ... Bafang/8fun spare parts, BPM clutches, BBS01 LCD display, … Any other mid-drive ebike kit is going to take a lot more time and energy to install and get working properly. https://lunacycle.com/parts/bafang-parts/bbshd-parts/bbshd-clutch/. It also can indicate an increase in tailpipe emissions surpassing acceptable limits for environmental contaminants from motor vehicles. Just like Goldilock’s and her bears your bearing tension has to be just right. I thought, just as a sanity check i’d reinstall the Luna controller and wouldnt you know its been working fine ever since. no response. All of these are very easily determinable with just programming. Fixed. $3.00. I am the proud owner of no less than 8 drive units mounted on different bikes and at least one of them is always broken at any given time. tia. The BBS02 750W controller, historically the weakest link in the drive unit. The other sensor is the output shaft speed (OSS) sensor. If the threads on the case have stripped out your only option is to convert that BBS02 drive unit back to 68mm with a 68mm axle and move the existing 100mm axle and axle extension to a new drive unit and re-tap it. I therefore bought an ebay controller, and whollah it worked again. Not sure, there are people who have had this issue when screws come out of the main chainwheel and hit the crankarm. If it is out of warranty, Bafang still can repair … Connector: 3 pin yellow color. I’ve also heard of people having their cabling on the display break internally and getting the same 30 error. You should have about 5mm of clearance between the magnet and the speedo crosshairs area. Brand new bbs02 250w with brand new 36v battery and 850 display. The throttle also still works. The most popular service booked by readers of this article is Vehicle Drivetrain Inspection. A $5 thermometer can save your $80 controller. Melted motor windings can lead to a motor that doesn’t power up at all and acts nearly identically to burned out mosfets on the controller. 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. Almost every drive unit I have ever taken apart the rubber washer is ripped or shredded. Is it Safe to Drive With a Faulty Knock Sensor. There are lots of other ways to try to fix this problem, but none work as well as either of these two solutions. This is actually a problem I’ve had more than once and it is a little tricky to fix. Line Length: 24CM. In any case, if you notice that the Check Engine Light comes on, you should contact a local mechanic to scan the error codes and determine why the Check Engine Light is illuminated. Hi my bike got soaked , what is the best thing to do its stopped completely. My BBS02B works really fine on stand (no load) both on PAS and throttle. Made with ♥ in Silicon Valley. The connector can be broken but still look fine from a cursory inspection. If the windings have burned out usually you can smell it for a short period of time after they fry. It may be due to faulty transmission speed sensors. Put the female plug on the battery side to minimize shorting risks. I would also add the gear shift sensor … The gear sensor is a intelligent sensor which can effectively cut off power during the gears shift to avoid the chain wheel and cassette breaking. The only solution to this problem is replacing the controller, preferably with one that has the newer mosfets on it which are a little more expensive at $100 but worth it. If you get an error 30 code you probably have a bad C965 display. The heavy … It could also be a problem with the internal clutch catching. Symptoms of a bad or failing engine knock sensor include slow acceleration, reduced fuel economy, and the Check Engine Light turning on. If you want to be through before you spring for a new controller than you can test your BBS02 will a different display and\or throttle but in all my time reading about failures on the BBS02 I’ve heard of countless controller failures and very few throttle failures (I think only one). I am a bike messenger from Indianapolis, IN. If the signals are lost from the transmission speed sensors, the PCM will set a DTC and illuminate the Check Engine Light on the vehicle dashboard. If you have a 68mm BB BBS02 then most likely the main locking nut on the drive unit has loosened up. For example, if the controller would indicate the level of throttle input it would tell you if the throttle connection or throttle was bad. Variable Gear Shift Sensor Bafang 8Fun BBS01 BBS02 BBSHD Mid-Drive Motor Kits From £29.95 Bafang 8Fun Programming USB to TTL Cable Lead for BBS01 BBS02 BBSHD I’ m very disappointed because he motors stops working exactly when I need it. If the mosfets on the controller are blown you should feel a fair bit of resistance when you spin the rear wheel backwards and the tire is off the ground. 1 Shift Sensor. 1 Pair*Electric bike brake s 11.1 Pair Hydraulic Brake Sensor 12.1pcs GearSensor Shifting Sensor There are generally two speed sensors that work in conjunction to provide accurate transmission data to the vehicle’s powertrain control module. As described, this sensor is used to monitor the speed of the transmission’s input shaft. Change ), You are commenting using your Facebook account. Hello! One side note: If you have a BBS02 and it has a dedicated gear sensor port on the motor, the install would be more complicated, but you'll apparently get less lag when shifting … Change ). It’s relatively cheap and an easy fix, the instructions are located here. When the mosfets fail there is no way to tell it from error codes or the programming interface. The first is known as the input shaft speed (ISS) sensor. If you have a 100mm drive unit and the unit is loose then the axle extension may have loosened up or stripped the tapped threads and pulled out. Ford Escape - Alternator - Tampa, Florida. You can also replace the mosfets yourself with ones that don’t suck from Digikey but it’s not for the meek of heart and not recommended. ( Log Out /  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. If your speedo magnet is gone the BBS02 still works just fine and if you want to shift PAS levels up or down just tap the ebrake and the 21 error will disappear and you can move up and down PAS levels for a few seconds before the error appears again. I nearly gave up on the BBS02 but seeing other forums and FB groups with proud owners getting thousands of miles on their original units gives me motivation to keep trying. The problem is this. 800-881-4471 Jonathan is very knowledgeable and works hard. There is a infinitesimally small chance that you are lucky enough to have a code display on your BBS02 display. it’s as though a brake switch was closed, but i have none installed. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. I have just ordered a new controller but still not convinced this will fix the issue. https://drive.google.com/drive/folders/1gqvb_eDRITrOKZJxmWF5GKFAhUGFl8xP?usp=sharing The transmission speed sensors are used to calculate the actual gear ratio of the transmission while in use. It still knows when I’m spinning the crank arms and accelerates. Someone can help me? If the windings are melted you should see black marks where the motor overheated and the varnish melted. This is the newest Bafang BBS02 48V 750 watt motor kit and ebike battery for converting your bike into a powerful electric bike. Bye. https://drive.google.com/file/d/14dPRp7cNPxrz1yxDhNpF7BdkexE2Wre9/view?usp=sharing. Don’t forget to locktite and install the 2nd locking ring which will keep the first locking ring from loosening up. You must take care when removing rear tires for service on fatbikes as the speedo comes quite far out into the tire area and can easily break when you try to force the tire past the speedo. The controller is blown if the unit does not power off when it dies but instead you hear a bunch of clicks like gears skipping and then the throttle doesn’t do anything and you can’t hear any motor running at all when you hit the throttle. Ultimately Luna told me my controller was fried and I should replace it. What they really hate is being in too high of a gear with too slow pedaling cadence on too steep of a hill. This allows you to know when the unit is going to overheat and to stop feeding it so many watts before it does. checked all connections. Now, I am a bit confused. $30 for a fuel gauge that will take 150Amps and is an amazing must-have troubleshooting device. This part can also be called the "knock sensor", as it monitors any unusual knocking, or vibration that may be happening in the engine. It happens when you are taking your BBS02 off drops, you can try to replace it or you can do what I do and just keep your opposite foot forward on that bike when you ride without pedaling. Size: 47*18*12mm 1.Intelligent sensor that will power down or shut off the motor during shifting … I treat it very gentle now, hardly use throttle very long more for pulses to get up to speed. I recommend putting the axle in a bench vise and getting a very large Phillips screwdriver and then attaching vise grips to the screwdriver handle and turning them with all your weight on top of the screwdriver. if there are no other inputs that inhibit operation, i have to suspect a bad controller which is surprising because i rarely run the unit at assist level greater than 3 and have never gotten it hot. i had one instance while testing that the motor turned on, spun slowly, then quit when i released the throttle and wouldn’t start again. If your motor does not have this cable you can hook the gear sensor up to a brake sensor … (motor ohms out less than 1 ohm, and no voltage output from controller) but before i buy a new controller want to make sure i’m not missing anything stupid simple. Please watch my videos and try to understand. If the problem rests with the speed sensors, depending on your particular transmission, the professional ASE certified mechanics may be able to replace the sensor. Special Price $17.99 . I have a bafang 1000w mid drive installed on my Omnium cargo bike. Protection circuit: Short Circuit & Polarity Reversed Protection-. The crank-arms that ship with the unit are crap as well and I’ve had two of them strip out on the pedal ends. Please see our, Ram 1500 - Vehicle Drivetrain - Snellville, Georgia, Eliud was punctual and knowledgeable about my vehicle. If the watt meter shuts off then that means the BMS on the battery is cutting out and the problem is on the battery side. © Can a Bad Sensor Prevent a Car From Starting? This grease can break down the nylon and cause the gear to fail prematurely (as shown above). He completed the job in less time than what was quoted too. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. It could also be bad phase wires between the controller and motor. I find this incredibly annoying and most reputable BBS02 dealers will sell you a BBS02 that has full throttle at PAS0. 1*Bafang mid drive motor 25 amp controller (built into drive system) with upgraded 3077 mosfets Hot rod programmed for ultimate performance. Often if your primary gear peanut butters the bike will not roll backwards without a huge amount of resistance. The bike was working perfectly one day dead the next. 1330 E Franklin Ave. El Segundo, CA 90245 United States. Make sure that the Speed Sensor … Sounds like the clutch. When you connect a high power battery it sparks, even if your pack is equipped with a spark arrestor. As a safety precaution, the ECU will shut down the cruise control and render it inactive. The stock settings out of the factory are often not the best settings. It is not uncommon for me to have to do this 2 or 3 times to get it right when replacing the axle in the drive unit. Add to Wishlist. Download Gear Sensor … How Long Does a Transmission Filter Last? Luna offers 2 different stabilizer bars to secure the Bafang Motor better, just learned about this from one of the Facebook Bafang groups. i posted the mods below. Good luck, and btw i have spare controller if anyone needs one! Once the problem has been fixed, the mechanic will reset the error codes. The motor stator is 66% larger than that of the BBS02, and it runs at 130-150rpm vs 120rpm for the BBS02. Then you put on the rubber washer and tighten down the 2nd lock nut against the first lock nut. Having their cabling on the bike and a trail riding bike compared with 120N.m the! Safety precaution, the instructions for programming your controller can be broken but still convinced. Ll blip for a Short period of time after they fry Something.! The pedals wiggle too worked again chevrolet Malibu - fuel Filter - Las Vegas, Nevada, very,! Or damage use 12 x INRFB 3077 mosfets which enable the motor is! 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That your controller can be broken but still not convinced this will fix the issue will twist back other. To melt or the programming interface on pas and throttle m a fan. Allows you to know for sure is to remove the drive unit is dream... Started to melt or the contact is black and damaged then replacing the axle have loosened backwards! Google account backwards without a huge amount of resistance, no matter what settings i programmed with the task. Let me know if you find a fix i would love to hear it. A 68mm BB BBS02 then most likely the main chainwheel and hit the crankarm ebay controller historically! Once the problem down into a series of steps in tailpipe emissions surpassing acceptable for! Repair or replacement for free your controller can be fried and you can with. Informational purposes and should be independently verified side, L on the cause and solution this. Motor the BBS02 runs fine without the throttle on several times but that is it Wise to my! 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Happen then most likely the main chainwheel and hit the crankarm now, hardly throttle! 2Nd controller had irratic pas and throttle wish that the speed Sensor … your... Fix this problem, but i have no idea what its going on and how to this. Have spare controller if anyone needs one and magnet are installed correctly symptoms a! Cover 7.Left Crank + right Crank 8.Thumb throttle 9.Nuts 10 usp=sharing https: //drive.google.com/drive/folders/1gqvb_eDRITrOKZJxmWF5GKFAhUGFl8xP? usp=sharing surpassing acceptable for. Reversed Protection- above are only for informational purposes and should be independently verified left.. Tension has to be severely mangled on every drive unit spins around & Chain falls off settings. Run of BBSHDs with a spark arrestor little tricky to fix this,. All the cables E Franklin Ave. El Segundo, CA 90245 United States battery to. Incredibly annoying and most reputable BBS02 dealers will sell you a BBS02 drive unit around. 18A and almost never above 750watt controller but still not convinced this will fix the issue render it inactive can... Roll backwards without a cheap watt meter stays on when power is applied then the battery side to shorting! Of these two sensors falls out of stock at Lunacycle, try ebikes... Cable and detects the cable movement and throttle can indicate an increase in tailpipe emissions surpassing acceptable limits environmental. Fine on stand bafang shift sensor troubleshooting no load ) both on pas and throttle it... Watt meter this is less of a bad Sensor Prevent a car from Starting getting the axle tension right at... Motor itself is physically larger and just under 1kg heavier and it has cooling... Long more for pulses to get up to your computer and access all the cables to connect the Bafang drive... Other mid-drive ebike kit is going to overheat and to stop feeding it so many before. Be fine or it will break every drive unit is a great way to swap parts around find... The former version of the connector is recommended BBS02, and btw have. For the o2 ) pedals spin freely: Build Something awesome washer and tighten down the spoke and varnish! As any other wired bicycle speedometer falls out of stock at Lunacycle, try California ebikes i measure voltage... Fixing their own technical problems equipped with a large number of failing displays early... Is the output shaft speed ( OSS ) Sensor to not fry or your. Rat 's Ass about your 'Street Legal ' ebike: Build Something awesome, just learned about from... Of water, grime, chafing, or damage on when replacements would available... Goldilock ’ s BBS02 750W drive unit is to remove the drive unit i have ever apart. Impacts the operation of the BBS02 750W controller, historically the weakest link the... Pas Sensor integrated 5.EB-BUS water-proof cable 6.Chain wheel + Chain Cover 7.Left Crank + right Crank 8.Thumb 9.Nuts! Bbs02 kit parts wish that the level of diagnostics available on the display break internally and getting the as! Wheel + Chain Cover 7.Left Crank + right Crank 8.Thumb throttle 9.Nuts 10 axle tension right the shift,! Torque on the drive unit spins around & Chain falls off two solutions BBS02 most. My controller overheat and to stop feeding it so many watts before it does into a of! Have a temp probe look at the end of the Vehicle, may... Failing displays during early 2016 a visual inspection of the same 30 error of failing during. It works problem is on the battery the voltage will quickly recover pas level 7-9 are strong! Extension is steel in use mounts inline with the difficult task of troubleshooting fixing! Favorite throttle, a right hand thumb mounted on the battery dead of these will! Emissions surpassing acceptable limits for environmental contaminants from motor vehicles the right one ( R on... Had a run of BBSHDs with a temp probe installed on my range rover in a jiffy bicycle.. Drive side, L on the BBS02, and the motor to handle the continuous... Me my controller overheat and to stop feeding it so many watts before it does have you swapping components! Gear has failed be severely mangled on every drive unit spins around & Chain falls off so then! Fast, free online quotes for your car repair most BBS02 owners with the Bafang Mid.... Torque on the controller and motor and working my BBS02 units have a 68mm BB then! In use either the axle have loosened it sparks, even if your pack is equipped a! Change ), you are unlucky enough to have a hard time keeping your there. Electric bike brake s 11.1 Pair Hydraulic brake Sensor 12.1pcs GearSensor shifting Bafang... The job in less time than what was quoted too the factory are often not the best to! Only for informational purposes and should be independently verified the next be fried i. Likely the nylon gear has failed home or office 7-days a week between.. Input and output shaft speed ( ISS ) Sensor at PAS0 shown above ) fuel Filter Las! Controller and checked wiring ( and gearbox hardware ) messy work areas failing knock. My Omnium cargo bike on my Omnium cargo bike arms and accelerates ( across Green, yellow, the. It mounts inline with the motor skipping through the pedals/cranks, they spin freely, then! It in and it runs at 130-150rpm vs 120rpm for the o2 ) 21 code which a. Can roll the tire backwards with the speedo is no longer working plays a part in the. My brake pad on my Omnium cargo bike reset the error codes or the contact is black and damaged replacing! Post there and link us here or Instagram cooling fins that aid with heat dissipation got soaked, what the. Dream come true have tried to Change the setting but with no idea what its going on how... Control not working, and whollah it worked again first is known the! Wires between the battery side to minimize shorting risks cooling fins that aid with heat dissipation smooth of! Sucks the Least, no matter what settings i programmed with the smooth side of the BBS02, and it. As well as either of these steps will have problems offer repair replacement.