contents Product name and model............................................................................................................... 1 Appearance and Size..................................................................................................................... 1 ◆Materials and Color.....................................................................................................................1 Function Summary and Button Definition...................................................
The Sensitivity of PAS Setting..................................................................................................... 8 Magnet quantity Setting............................................................................................................... 9 ◆Speed Sensor Selection............................................................................................................9 ◆Throttle Definition........................................................................................
Product name and model Electric bicycle intelligent LCD instrument; model: KD21C. Specifications ●24V/36V/48V Power Supply ●Rated current 10mA ●The maximum working current 30mA ●Off leakage current <1uA ●The supply controller working current 50mA ●The use temperature -20℃~ 60℃ ●Storage temperature -30℃~ 70℃ Appearance and Size ◆Materials and Color KD21C product’s shell and hook are made of ABS and Nylon respectively. LCD transparent window lens is high hardness acrylic.
Function Summary and Button Definition ◆Function Summary KD21C can provide a lot of functions to fit the users’ need. The indicating contents are as following. ●Battery Indicator ●Power assist level adjustment Indicator ●Speed Display ●Trip distance and total distance ●6km/h Cruise control ●Headlight On/Off ●Error Code Indicator ●Various Parameters Setting (like wheel size, speed-limited, battery level bar, PAS level, controller limited current, max speed, password enable, and so on.
◆ Mileage Interface After starting up the display, default is total distance. Press MODE to shift the indicating information between single trip distance and total distance. Trip Distance Interface Total Distance Interface ◆Push Cruise Control Hold DOWN for 2 seconds to enter the mode of power assistant walk. The e-bike will go on at a uniform speed of 6 Km/h when you hold DOWN always. P shows on the screen at the same time.
from level 0 to level 5. The output power is 0 on Level 0. Level 1 is the minimum power. Level 5 is the maximum power. Gear to level 5 and then press UP, the interface displays 5 still and 5 flashing prompting top; Gear to level 0 and then press DOWN, the interface displays 0 still and 0 flashing prompting low. The default value is level 1. PAS Level 3 ◆Battery Indicator The 6 battery bars represent the capacity of the battery.
◆Trip Distance Clearance TC means single trip distance clearance setting, Press Up/DOWN to choose Y/N to clear trip distance. The default is N. Press MODE to confirm and enter backlight contrast setting.Various symbol definition refer to Attached list 4. Trip Distance Clearance Setting Interface ◆Backlight Contrast setting BL means backlight contrast setting. Level 1 is the low brightness. Level 2 is the middle brightness. Level 3 is high brightness. The default level is 1.
General Parameter Setting Hold both UP and DOWN for 2 seconds to enter User setting. Then hold both DOWN and MODE more than 2 seconds is to enter wheel diameter Setting interface. ◆Wheel Diameter Setting Ld means wheel diameter setting. Selectable values include 16,18,20,22,24,26,700C and 28. Press UP/DOWN to select the correct value to match the wheel diameter. Default diameter is 20 inch. Press MODE to enter speed-limit setting interface .
Option Select Interface ◆Battery Power Bar Setting VOL means voltage setting. Each bar represents a voltage value. 5 voltage values must be entered one by one. For example, VOL 1 is first bar voltage value, the default value is 31.5. Press UP/DOWN to increase or reduce the number. Press MODE to confirm and enter the second bar. By analogy, after 5 voltage values is entered, hold MODE to confirm and return to previous menu. .
PAS Ratio setting To modify the value of PAS ratio can match the different requirements. For example, the range is “45-55 percent” of 1 level, bottom value can be modified, and the default is 50 percent. Press MODE to confirm and turn to the next PAS ratio setting. After all PAS ratio inputted, hold MODE to confirm and return to previous menu, please refer to Attached list 3. PAS Ratio Interface ◆Controller Over-Current Cut Setting CUR means controller over-current cut setting.
The Sensitivity of PAS Setting SCN means the sensitivity of PAS setting. The sensitivity value is 2 to 9. 2 is the strongest, 9 is the weakest. Press Up/DOWN to select sensitivity value, and press MODE to confirm selection and enter to magnet disk setting mode.The sensitivity of PAS default value is 2. The Sensitivity of PAS Setting Magnet quantity Setting N means magnet numbers of PAS disk. Press Up/DOWN to select quantity corresponding to PAS disk. Magnet quantity default value is 6.
select Y, and press MODE to confirm the selection. Otherwise select N to enter Throttle Level Enable Setting, HL default value is N. Throttle Enable/Disable Interface Throttle Level Enable/Disable HF-Y means throttle level is enabled, HF-N means throttle level is disabled. Press UP/DOWN to select Y or N, and press MODE to confirm and enter Throttle Enable Setting page. Hold MODE to confirm and return to previous menu. HF default value is N.
Interface of max speed limited setting ■This setting is the priority version. The speed is the maximum setted by manufacturer. Button PAS Setting PUS means button push setting. Press Up/DOWN to choose Y or N. Y means button push is enabled, N means button push is disabled. Press MODE to confirm and enter into PAS speed setting.The default value is Y. Interface of PAS push PAS Speed Setting Adjust push speed by setting PAS to meet rider’s requirements.
Interface of slowly setting up ◆Power-on Password Setting P2, 0000 on the screen means power-on password setting. Press UP/DOWN to change the number. Press MODE to confirm digit one by one. After correct 4-digit password entered, press MODE to confirm and enter power-on password enable setting interface,otherwise stay on the password input state. The default power-on password is 2222.
Power-on Password Modify Interface ◆Exit setting In the setting state, pressing MODE (less than 2s) is to confirm the input. Holding MODE (more than 2s) is to save the setting, and then exit the current setting. Holding DOWN (more than 2s) is to cancel the operating but not saving setting data, and then return to previous menu. ■ If there is not any operations in one minute, display will exit the setting state. Recover default setting DEF means recover default setting.
Quality assurance and warranty scope Ⅰ、Warranty 1 、 Any quality problems in normal case and during guarantee period, our company will be responsible for the warranty. 2、The warranty time is 24 months when display out of the factory. Ⅱ、Other items The following items do not belong to our warranty scope. 1、It can not be demolished. 2、The damage is caused by wrong installation or operation. 3、Shell is broken when display is out of the factory. 4、Wire is broken. 5、Beyond Warranty period.
Attached list 1:Error code definition Error Code Definition 21 Current Abnormality 22 Throttle Abnormality 23 Motor Abnormality 24 Motor Hall Signal Abnormality 25 Brake Abnormality 30 Communication Abnormality Attached list 2: Personality Parameter setting No Setting item 1 Battery Power Bar Setting 2 Power assistant level Setting 3 Over-current Cut Setting 4 Power Assistant Sensor Setting 5 Speed Sensor Setting 6 Throttle Function Setting 7 System Setting 8 Power-on Passwo
Attached list 4:symbol definition No Symbol Definition 1 trip distance clearance 2 Backlight 3 unit 4 voltage 5 Wheel diameter 6 Speed limit 7 controller over-current cut 8 Backward 9 Forward 10 sensitivity of PAS 11 speed sensor 12 Power delayed time 13 Throttle power assist walk 14 Throttle-changing 15 button push 16 slowly start up 17 Password 18 Recover default 19 Yes 20 No 16