Yolin YL80C Manual
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Product name and model..................................................................................................................... 2
Specifications...................................................................................................................................... 2
Appearance and dimension................................................................................................................. 2
Function overview and functional area distribution........................................................................... 4
 Function Overview..............................................................................................................4
 Functional area distribution................................................................................................ 5
 Button definition................................................................................................................. 6
Normal operation.................................................................................................................................6
 On / off................................................................................................................................ 6
 UI.........................................................................................................................................6
 Walk power assist................................................................................................................7
 Backlight on / off.................................................................................................................8
 Power assistance (PAS) level selection................................................................................8
 Battery bars......................................................................................................................... 9
 Motor power indication.......................................................................................................9
 Error code indication.........................................................................................................10
General settings................................................................................................................................. 10
 Single mileage reset.......................................................................................................... 11
 Backlight brightness..........................................................................................................11
 Imperial and Metric Unit Conversion............................................................................... 12
General parameter settings................................................................................................................13
 Wheel diameter setting......................................................................................................13
 Speed limit setting.............................................................................................................14
Personalization settings..................................................................................................................... 14
 Battery level setting...........................................................................................................15
 Power assist parameter setting (optional)......................................................................... 16
 Current limit value setting (optional)................................................................................17
 Booster sensor setting (optional)...................................................................................... 17
 Throttle setting(optional).................................................................................................. 18
 System settings (optional).................................................................................................20
 Power-on password setting............................................................................................... 21
 Exit Settings...................................................................................................................... 22
Restore default settings..................................................................................................................... 23
Quality commitment and warranty................................................................................................... 23
Lead connection diagram.................................................................................................................. 24
Precautions........................................................................................................................................ 24
Schedule 1: Error code definition table............................................................................................ 25
Schedule 2: Table of default values for PAS level ratio................................................................... 25
Contents
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Summary of Contents for Yolin YL80C

  • Page 1: Table Of Contents

    Contents Product name and model........................2 Specifications............................2 Appearance and dimension......................... 2 Function overview and functional area distribution................4  Function Overview......................4  Functional area distribution....................5  Button definition......................... 6 Normal operation..........................6  On / off..........................6  UI............................6 ...
  • Page 2: Product Name And Model

    Product name and model Intelligent LCD meter for electric bicycle; Model: YL80C. Specifications 24V / 36V / 48V power supply  Instrument rated working current 10mA  Maximum working current of the instrument: 30mA  Shutdown leakage current <1uA ...
  • Page 3 Physical and dimensional drawings...
  • Page 4: Function Overview And Functional Area Distribution

    Function overview and functional area distribution  Function Overview YL80C meters provide a variety of functions to meet your riding needs, including: Battery bars  Motor power indication  Assist level adjustment and indication  Speed (including real-time speed, maximum speed, average speed) ...
  • Page 5: Functional Area Distribution

     Functional area distribution YL80C functional area distribution interface...
  • Page 6: Button Definition

     Button definition There are five keys on the operation unit corresponding to the YL80C meter. The keys ‘+’ and ‘-’ are replaced with the words "UP" and "DOWN" in the following description. Normal operation  On / off After long pressing M, the meter starts to work, and the controller's working power is connected.
  • Page 7: Walk Power Assist

    cycling power. Display interface switching  Walk power assist Press and hold DOWN, the electric bike enters the state of electric walk power assistance. Electric bike travel at a constant 6km/h. At the same time the screen shows . Release the DOWN, the electric bike will immediately stop the power output and return to the state before the boost.
  • Page 8: Backlight On / Off

    Walk power assist interface The Walk power assist mode can only be used when the user pushes the electric bicycle.  Do not use it while riding.  Backlight on / off Short press the headlight key, the display backlight dims, and at the same time notify the controller to turn on the headlight.
  • Page 9: Battery Bars

    PAS level interface  Battery bars The battery displays 5 power bars. When the battery voltage is high, all 5 bars are on. When the battery is under voltage, the outer frame of the battery flashes at a frequency of 1HZ, prompting you to charge immediately.
  • Page 10: Error Code Indication

     Error code indication Error code indication interface When an error code appears on the display interface, remove the fault in a timely  manner. The electric bike will not run normally after the fault occurs. General settings Press and hold M to power on. In the on state, when the bicycle is stationary, press and hold the UP and DOWN buttons simultaneously for more than 2 seconds, the display will enter the general setting state.
  • Page 11: Single Mileage Reset

     Single mileage reset TC stands for Clear Single Mileage. Press the UP / DOWN button to select Y / N. Y (Yes) means to clear the mileage of a single trip. N (No) means that the mileage of a single trip is not cleared. Press ‘i’...
  • Page 12: Imperial And Metric Unit Conversion

     Imperial and Metric Unit Conversion U stands for the unit, 1 is the English system, and 2 is the metric system. The speed and mileage units can be changed by pressing the UP / DOWN button. Press the "i" key to confirm, press and hold the 'i' key to confirm and exit the normal setting state.
  • Page 13: General Parameter Settings

    General parameter settings Simultaneously press the UP + DOWN button for more than 2 seconds to enter the general setting state. Then press the DOWN and ‘i’ simultaneously for more than 2 seconds to enter the wheel diameter setting interface. ...
  • Page 14: Speed Limit Setting

     Speed limit setting The default value of the maximum riding speed of the display is 25Km / h. Changing this value can set the maximum riding speed of the electric bike. When the electric power exceeds the set value, the controller will stop the power supply to the motor to protect the rider's driving safety; LS stands for speed limit.
  • Page 15: Battery Level Setting

    Personalized item selection interface  Battery level setting VOL stands for voltage, and requires 1 to 5 voltage values to be input one by one. Take the first power value as an example: "1" on the screen indicates the first voltage, and "34.5" is the first power value.
  • Page 16: Power Assist Parameter Setting (Optional)

    Battery level setting interface  Power assist parameter setting (optional) PAS levels selection Eight modes are provided in the PAS levels selection: 0-3, 1-3, 0-5, 1-5, 0-7, 1-7, 0-9, 1-9; by UP / DOWN and press the ‘i’ key to confirm and enter the assist ratio value setting interface in the corresponding mode.
  • Page 17: Current Limit Value Setting (Optional)

     Current limit value setting (optional) CUR stands for current limit. The current limit can be set in the range of 7.0-25.0A. Press the UP / DOWN button to change the maximum current value of the controller. Press and hold the ‘i’ key to confirm and return to the setting item selection interface of the display.
  • Page 18: Throttle Setting(Optional)

    Booster sensor sensitivity setting SCN stands for the sensitivity of the booster sensor; the setting range is 2-9, where 2 is the highest sensitivity and 9 is the lowest sensitivity; use the UP / DOWN button to add / subtract the setting, and press the ‘i’...
  • Page 19 Hnd stands for throttle, HL for turn-assisted pushing, HL-N for throttle-assisted pushing, HL-Y for throttle-assisted pushing, that is, when turning the throttle, the display enters the boost-driven mode; by UP / DOWN You can switch Y / N, press the ‘i’ key to confirm, if you select N, you will enter the throttle position enable setting interface;...
  • Page 20: System Settings (Optional)

     System settings (optional) Battery delay time setting dLY stands for battery delay time. You can select the battery delay time 3/6/12s by pressing the UP / DOWN button. Press the ‘i’ button to confirm and enter the maximum speed setting interface. The display's factory default is 3s.
  • Page 21: Power-On Password Setting

    display's factory default value is 1. Slow start settings interface  Power-on password setting Press the ‘i’ button to enter the password setting state, and the screen prompts "P2", indicating the power-on password. Press the ‘i’ key to shift, and use the UP / DOWN key to increase / decrease the input value.
  • Page 22: Exit Settings

    Enter the password enable interface after entering the password, and select Y / N with the UP / DOWN button. Y indicates that a power-on password is required, and N indicates that a power-on password is not required. Press the ‘i’ key to confirm. If Y is selected, press the ‘i’ key to enter the password modification state, otherwise exit the password setting and return to the instrument setting item selection interface.
  • Page 23: Restore Default Settings

    setting; press and hold the ‘i’ key (more than 2 seconds) to confirm to save the current setting and exit the current setting state; long press the DOWN button (2 seconds or more) To cancel the current operation and exit the setting, the current setting data is not saved. If no operation is performed within one minute, the meter automatically exits the ...
  • Page 24: Lead Connection Diagram

    3. The casing of the display is scratched or damaged after leaving the factory. 4.The lead wire of the display is scratched or broken 5. Failure or damage caused by force majeure (such as fire, earthquake, etc.) or natural disasters (such as lightning, etc.) 6.
  • Page 25: Schedule 1: Error Code Definition Table

    Regarding the background parameter setting of the display instrument, please do not change  it at will, otherwise normal riding cannot be guaranteed. When the display cannot be used normally, it should be repaired as soon as possible.  Schedule 1: Error code definition table Error code definition Abnormal current...

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