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K1 Flash User Manual
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K1 Flash User Manual

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v1.4 – Nov. 2023
Congratulation, you have become an owner of this K1 product.
Product description
Device is designed to adjust controller parameters of your CAN bus Bafang motor.
Controller parameters are saved in AutoSet.txt file on SD card (included). Just edit this
file on SD card over your computer (with SD card slot or with SD to USB adapter), power
up K1 Flash over UCB-C cable and connect CAN connector to your motor. Wait for steady
GREEN light and all is set successfully.
Device is working only with Bafang motors with CAN bus – 5 pin connector with "house"
shape green connector.
All CAN Bafang motors are supporting : Speed limit*, Circumference and Wheel size
Latest M510 and M560 motors are supporting also advanced power setup: Max power,
Cadence, Acceleration, Support level, StartUp Angle – description of these parameters
can be found in a file AutoSet.txt – see print screen of this file on page 3.
*
Speed limit for pedalling. Some controllers/motor firmwares have Throttle Speed hardcoded
to speed
(32 km/h or 45km/h – M510 FC2.0, M560).
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Summary of Contents for K1 Flash

  • Page 1 SD card over your computer (with SD card slot or with SD to USB adapter), power up K1 Flash over UCB-C cable and connect CAN connector to your motor. Wait for steady GREEN light and all is set successfully.
  • Page 2 3. Power up K1 Flash over USB-C cable (run power from mobile phone, power bank – be careful here – some power banks are turning off due to small K1 energy consumption, USB charger, USB computer Green LED starts to blink.
  • Page 3 <<< ******************************************************* # This script will be executed after power up of K1 Flash with SD card inserted - Green LED is blinking. # After connecting motor, device will setup your motor controller parameters (only what motor supports). Green LED steady - successfully set and you can disconnect K1 Warning - Commands needs to be entered exactly, without any misstyping (first 5 characters are important).
  • Page 4 2. Insert SD card into K1 Flash (SD card pins facing USB-C connector). 3. Power up K1 Flash over USB-C - Green LED blinking. 4. Connect to your motor over CAN connector - K1 Flash will set parameters and then there is 5 seconds to start Calibration. Green/Red is flashing.