BIONX - No Pedal Assist
05-05-22, 01:18 PM
#1
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BIONX - No Pedal Assist
Hello,
I put together a Bionx bike - D500 motor, RC3 controller, DS3 display. There is no throttle available, only pedal assist and even the pedal assist does not work. All looks well on the display, battery charges and holds well. The notch on Torque Blocker points down.
I reseated all connections.
I am able to change assist level and regen level on the controller, and there are no errors on the display. Odometer and speedometer work well so I believe the communication with the wheel is ok. Just there is no assist from the motor when I pedal. I even went to higher speeds (over 25 km/h) as someone suggested somewhere that may engage the assist. Nothing helped.
Does anyone have a suggestion what might be wrong or how to test the motor?
Thank you
I put together a Bionx bike - D500 motor, RC3 controller, DS3 display. There is no throttle available, only pedal assist and even the pedal assist does not work. All looks well on the display, battery charges and holds well. The notch on Torque Blocker points down.
I reseated all connections.
I am able to change assist level and regen level on the controller, and there are no errors on the display. Odometer and speedometer work well so I believe the communication with the wheel is ok. Just there is no assist from the motor when I pedal. I even went to higher speeds (over 25 km/h) as someone suggested somewhere that may engage the assist. Nothing helped.
Does anyone have a suggestion what might be wrong or how to test the motor?
Thank you
05-05-22, 05:07 PM
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BionX had proprietary functions incorporated into their hub systems. ebikesca has developed some "work-around" tricks. FME with other systems they have been helpful. You might contact them.
05-06-22, 04:37 AM
#3
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Is it a "new" motor kit from an internet source? Perhaps it was not activated? If not activated you will need to find somebody with BBI bootleg software and a BIB interface device to connect to a computer. Many previous BionX dealers no longer have this. I'm just guessing, hopefully it's something simpler.
05-09-22, 12:35 AM
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It is not a new motor as it shows mileage on it (on the display). It must have been activated already. Maybe after I replaced the display, it now requires another activation?
05-09-22, 04:27 AM
#5
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Originally Posted by sarma
It is not a new motor as it shows mileage on it (on the display). It must have been activated already. Maybe after I replaced the display, it now requires another activation?
Was the previous display DS3 or G2? If it used to be G2 then your battery firmware may or may not be compatible. Console code 0002 on my G2 reveals battery firmware version. Not sure how this works on your RC3/DS3. Battery firmware version 12 only works with G2, version 15 works with either G2 or DS3. You'd need a BIB tool and BBI software to change versions.
The fact that your console speaks to the motor suggests that the firmware may be correct, but I'm not sure about this. The wrong firmware will ignore the battery. I'm just throwing out wild suggestions based on 6 years of owning BionX D500s and batteries. I'm not a technician. More likely a bad connection you haven't found yet!
Last edited by BobG; 05-10-22 at 03:36 AM.
