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Table of Contents
Related Manuals for Key-Disp KD386
Summary of Contents for Key-Disp KD386
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Page 2: Product Model
Product model E-bike Intelligent TFT color LCD Model: KD386 Specifications ● 36V/48V Power Supply ● Rated working current :22mA ● Off-state leakage current: <1μA ● Operating temperature: -20℃~ 60℃ ● Storage temperature: -30℃~ 70℃ Appearance and Size Product appearance and dimensional drawing (unit: mm) -
Page 3: Function Summary
Function Summary KD386 has many functions to meet the Users’ needs. The indicating contents are as follows: ● percentage Battery SOC indication: voltage value or battery ● Intelligent indication of TRIP, ODO, Current speed, MAX. speed and AVG. Speed, Motor power and Ride/TRIP time(Min) ●... -
Page 4: Functional Area Distribution
Functional Area Distribution: Headlight indication Battery Trip km PAS level/Push assist Unit Motor power Speed value Button definition ◆ 4 buttons on KD386 display，on/off（ ）, i（ ）, +/light（ ）, -/push-assist （ ）... -
Page 5: General Operation
General Operation ◆Switching the E-bike System On/Off Hold the on/off button to switch on E-bike system and provide the power supply for the controller. Likewise, hold the on/off button again, the E-bike system will be switched off .The E-bike system no longer uses the battery power. When the E-bike system is switched off, the leakage current is less than 1 μA. - Page 6 ◆Switching Push-assist Mode On/Off To activate the push-assist function, keep holding “DOWN” button. After 2 seconds , E- bike is activated to go at a uniform speed of 6 Km/h while the screen displays The push-assist function is switched off as soon as you release the “-” button. The E-bike system stops the power output immediately.
- Page 7 ◆Switching the Lighting On/Off To switch on E-bike headlight, hold the “UP” button for 2s. The backlight brightness is automatically reduced. Likewise, press the “UP” button for 2s, the bike light can be switched off and light icon disappears and display back light brightness recovers. Switching the Lighting Mode On/Off Interface ◆Assist Level Options Press "+"...
- Page 8 ◆Battery Indicator Battery voltage is switchable between 36 and 48 volts. The default voltage is 36V. and the voltage curve for 36v is 31.5V-34.5V-35.6V-37.4V-93.2V Battery Indicator interface ◆Motor Power Indicator The power of the motor is shown via digital display. Motor Power Indication Interface...
- Page 9 ◆Error Code Indication The components of the E-bike system are continuously and automatically monitored. When an error is detected, the respective error code is indicated in text indication area. Here is the detail message of the error code in Attached list 1. Error Code Indication Make the display repaired when an error code appears.
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Page 10: Trip Reset
● DisPlay Setting ◆Trip Reset Trip Reset represents trip distance clearance setting. *And at the same time, Max. Speed, AVG Speed will be cleared as well. Press the “+” button or the “-” button to select Yes or No. To confirm and store a changed setting, press the “i” button. Or Hold “i”... -
Page 11: Speed Limit
◆Wheel represents wheel diameter settings. Wheel Press the “+” or the “-” button to increase or decrease until the desired value is displayed. The optional wheel diameter is 16”/18”/20”/22”/24”/26”/700C”/28”. The default is customizable. To store a changed setting, press the “i” button to confirm. Or hold “i” button to return to home page or press BACK to return to home page. -
Page 12: Set Voltage
◆Set voltage Set Voltage represents voltage settings. Press +/- button to switch between voltages 36V and 48V and choose your desired voltage value. The default is 48V. Press i button to enter the voltage segment value setting. 5 segment values are to be set one by one. - Page 13 ◆SOC view Press UP or Down to select SOC View and press i button to enter the setting. Press UP or Down to switch between Voltage values and percentage of Battery. The default view method is percentage. Press i to store the data and exit SOC view settings.
- Page 14 ●Advanced Setting When DisPlay Setting is done, choose BACK and press ON/OFF button to return to home page. And press +/- button to move to Advanced Settings ◆Assist Level Settings Power Set represents assist level settings. Assist Level Modes 8 assist level modes for your choice：0-3, 1-3, 0-5, 1-5, 0-7, 1-7, 0-9, 1-9. The default mode is 0-5.
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Page 15: Current Limit
◆Current limit Current Limit represents controller current limit settings. The setting range is 07 to 22A. The default is customizable. To change basic settings, press the “+” or the “-” button to increase or decrease the value. To store a changed setting, press the “i” button. Or Hold i button to return to the home page or press BACK to return to home page. -
Page 16: Speed Sensor
◆Speed Sensor Speed Sensor represents speed sensor settings. The default value is 01. To change speed sensor settings, press the “+” or the “-” button to select the numbers of magnets in the speed sensor (the settable range is 01 to 12). To confirm and store a changed setting, hold the “i”... - Page 17 ◆LCD luminance LCD Luminance represents display backlight brightness. 100% is the highest brightness. 10% is the lowest brightness. 5 settable levels: 100%-75%-50%-30%-10%. The default is 100%. To change the backlight brightness, press the “+” button or the “-” button to choose the desired percentage.
- Page 18 system prompts that the password is set successfully. If two inputs are inconsistent, the first input needs to be repeated correctly and confirm the new password again. The interface will be redirected to original settings page in 2 seconds after the password is set successfully. Hold i to return to the home page or by route’...
- Page 19 Password change interface ◆ Password Disable In “Start PassWord” interface, choose OFF and short press i to confirm. Meanwhile, display interface asks for a password. When the correct password is input, the display prompts ‘password function disabled’. After 2 seconds, the interface will be redirected to original settings page.
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Page 20: Factory Settings
Factory settings ◆ Hold UP and i button for over 2 seconds to enter the factory settings page. Short press UP or Down to switch between NO and YES. Choose YES and hold i button for over 2s and the display will be reset to factory settings. - Page 21 Display male end connection socket function Wire no. Code function Display power supply Controller power supply wire Display GND Display -communication RX Display-communication-TX Attached list 1：error code definition Error code Definition Current fault Throttle fault Motor phase absence Motor hall signal fault Brake fault Communication fault Display MOSFET short circuited...
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Page 22: Quality Assurance And Warranty Scope
◆Don’t modify system parameters to avoid parameter disorder. ◆Make the display repaired when error code appears. Special note: KD386 manual is a general version, and the parameter values are for reference only. New EN regulations: setting of wheel diameter and speed limit is not supported.