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temp sensor is built with the motor stator. If your motor stator is in good condition, it could be controller failure

I have new controller also, but it gives same fault and dont move motor at all. It just starts to heat up

@@mantuxltu hello, in this case, please replace the stator

You need to contact your BMS seller who can bind or unbind your BMS

Torque sensor failure

passive

For BBS CANbus motor, the yellow triangle cable is for battery CAN communication

Not available for mass production yet

abnormal. The G80 case can not built 52V30AH battery, it can build max 48V20AH or 52V17.5AH due to the limited space.

UART motor does not need calibration except Bafang M620 motor with the special display. CANbus motor needs calibration with Besst tool.

UART is easy to program while CANbus needs special tool to program.

@@swiftskill3046 Can motor produced since April 2023, UART motor not sure, but we are sure this year Uart has been upgraded.

60USD, you can order from here www.greenbikekit.com/ebike-mid-motor/bafang-ultra-m620-g510-motor-parts/bafang-ultra-m620-g510-mid-steel-gear.html

@@Евгений-й4м4ш Yes, you can because M300 and M420 motors share the same interface

Thank you. I mean, do they have identical mounting in the frame? Will I be able to install m420 on the frame instead of my m300? I understand that the m300, m400, m410, m420 have the same mounting plate, so are all these engines compatible with the same frame?

@Greenbikekit Thank you. I mean, do they have identical mounting in the frame? Will I be able to install m420 on the frame instead of my m300? I understand that the m300, m400, m410, m420 have the same mounting plate, so are all these engines compatible with the same frame?

@@Евгений-й4м4ш Yes, M420 and M300 share the same mountings, and you can install M420 motor on the M420 bike frame, but the installation screws might be different, you may need to order a set of installation screw www.greenbikekit.com/bafang-8fun-motor-parts/bafang-m420-m410-g332-motor-with-parts/bafang-max-drive-m400-g330-motor-installation-screw-kit.html

​@@GreenbikekitWhat is the maximum peak power with the firmware unlocked for m300, 410, 420 = 540w or 680w motors, because the controller is installed at 36v15 amps or 48v15 amps. Thank you for your answers, this is very important and useful for me, since at the moment there is very little information specifically on these engines.

Hello, yes, it's better to grease the gear, you can try Mobil 28

Thank you

Hello, we have this torque sensor with part number SR PA212.32.ST.C, this is the CANbus torque sensor, and you need to calibrate the motor after replacing the torque sensor. You can order the torque sensor and choose the correct part number from here www.greenbikekit.com/electric-motor-engine/bafang-max-drive-m400-g330-parts/bafang-max-drive-m400-torque-sensor-axle.html

If the PAS magnet has no problem, then consider the PAS circuit defective

You failed to bind the bms

If you mean the connector leading out from the battery, yes, you can change it.

Check the crank arm and chainwheel, if they are touching the frame when you pedal.

Yes, you can.

@@Greenbikekit Thanks for that. I just finished removing the M600 motor from the frame of the Frey M600, on the frame you must dismount the motor if you want to separate the sections.

hello, we have 3 types of BMSs can fit for this battery. www.greenbikekit.com/e-bike-lithium-battery/pcm-bms/48v-30a-13s-bms-for-ebike-battery.html www.greenbikekit.com/e-bike-lithium-battery/pcm-bms/48v-25a-13s-hailong-03-tigershark-new-polly-battery-bms.html www.greenbikekit.com/e-bike-lithium-battery/pcm-bms/battery-bms-smart-13s-14s-10s-11s-12s-15s-16s-17s-48v-52v-50a-60a-80a.html

info@greenbikekit.com

We normally solder 2 pins for +, and 2 pins for -

Please order from here www.greenbikekit.com/electric-motor-engine/bafang-max-drive-m400-g330-parts/bafang-max-drive-m400-nylon-gear-with-bearing.html

No, the bbs02 stator and rotor are larger than bbs01

Yes, you need to calibrate the motor with Bafang Besst tool.

If you don't cut the seals, you need to resolder the bullet connectors. Cutting the seals, and then glue them, Bafang also put glue for these seals.

@@Greenbikekit It's still a bad idea, besides, you can put them on and off with a bit of force if you're careful. Also, you should avoid soldering these as capillary effect will make the solder tin crawl under the insulation and you'll get a break in the cable where the solder stops. Think of it like a bunch of pasta straws, if they were glued together at both ends, they wouldn't be very flexible, but if they're only tied they would flex some (As crimping would be the equivalent). Soldering with preventive methods for this problem is cumbersome to say the least. This involves wrapping the insulation with wet cloth to stop the heat along with both flux and solder tin to travel underneath and it requires a bit of practice to make it a good joint!. This is quite useless with small area cables as the heat is pretty difficult to stop from spreading. You should never use additional flux, and what little comes from the solder tin you should allow to evaporate as much as possible on the tip before applying it to the joint. Tricky as hell. Too little flux left and the tin won't flow, too much and it'll flow too well. Also, gluing seals is generally a bad idea unless it's a compound that doesn't dry out rubber, and seeing as how the Chinese like to cut corners, I don't think they would even consider that. Just look at how they designed the PCB for the controller with tons of solder tin instead of putting a few thicker strands of copper where it's needed. I discovered this as I accidentally fried mine and the whole PCB went up in flames due to solder melting and shorting out the entire board, so no, I don't think they'd care about gluing seals using non-corrosive glue.

No, the hanger for M200 is different from M400/M420 motor.

the battery has communication module inside, you may need to ask your original battery supplier.

@@Greenbikekit Are all bafang motor communicate with battery in the same protocols or not? Are they all either can or uart, or this applies to motor to screen communication only? In another world, if my motor is can version, does it mean I just need to find a reention eel with can communication and it will work?

@@呵呵呵呵-l6i each battery producer has their own communication module, CAN or UART just the way for the communication; If your battery is a Bafang Battery, then you need to ask Bafang for a new battery with their battery communication module. By the way, the motor can work without battery communication

What's the problem for your M300 motor?

Hello, if you ordered the bms from us, please send us an email and we will try to reset for you.

250W, but 750W is the same instructure

what's the problem for your motor?

@@Greenbikekit the throttle work,but the pas doesn't work.

@@rejuan99 if replacing PAS sensor does not help, consider controller faulty

www.greenbikekit.com

Hello, please try several times for the calibration. If still getting the same result, please check the controller connection is correct or not.

@@Greenbikekit the connection is correct. Should I hook the phase wires up different than how they are color coded? I’ve tried the calibration at least 30 times now sometimes it turns for a minute or two but I keep getting the same error code

@@mikehtiger controller may have problem if all the connection is correct

Please try to replace PAS sensor, if it doe not help, please consider controller failure