Table of Contents
Advertisement
General Operation
◆Switching the eBike System On/Off
To switch on the eBike system, hold the MODE button for 2s.
In the same way to hold the MODE button for 2s again, the eBike
system will be switched off.
When switching off the eBike system the leakage current is less
than 1 uA.
■
When parking the eBike for more than 10 minutes, the eBike system
switches off automatically.
◆Display Interface
After switching on the eBike system, the display shows Running
Speed and Total Distance except battery indicator and assistance level.
To change the indicated information, press the MODE button to
show in turn as below: Running Speed (Km/h) → Trip Distance (Km)
→Trip Time (Hour.) → Max Speed (Km/h) → Average Speed (Km/h) →
Motor Power (W) → Running Speed (Km/h).
◆Switching Push-assistance mode On/Off
To access the push-assistance mode, hold the DOWN button
always, the eBike will go on at a uniform speed of 6 Km/h, "P" is
showed on the screen at the same time. The push-assistance function
switches off as soon as you release the DOWN button.
3
Hide quick links:
Advertisement
Table of Contents
Need help?
Do you have a question about the KD21C and is the answer not in the manual?
Questions and answers
Speedometer stopped working.
Speedometer stopped working
To fix the speedometer on a Key-Disp KD21C, follow these steps:
1. Check Speed Sensor Settings – Ensure the speed sensor settings are correctly configured under the personalized parameter settings.
2. Verify Wheel Diameter – Ensure the correct wheel diameter is set in the display settings to ensure accurate speed readings.
3. Inspect Connections – Check the wiring connections between the display and controller to ensure they are secure and undamaged.
4. Look for Error Codes – If an error code appears, refer to the error code list and address any abnormalities.
5. Reset to Default Settings – If the issue persists, restore default settings under the display's settings menu.
6. Check Power Supply – Ensure the display and e-bike system are powered correctly.
7. Avoid Modifying System Parameters – Modifying system parameters incorrectly may cause display malfunctions.
If the problem continues, professional repair may be needed.
This answer is automatically generated
How to erase total miles on display
The total miles (odometer reading) on the Key-Disp KD21C display cannot be erased. Only the trip distance can be reset to zero by holding the MODE button. The odometer will continue counting the total distance traveled.
This answer is automatically generated
How to reset to default settings
To reset the Key-Disp KD21C to default settings:
1. Hold both the UP and ON/OFF buttons for 2 seconds to access the selection interface.
2. Use the UP/DOWN buttons to choose “Y” (Yes) for recovering default settings.
3. Hold the ON/OFF button for 2 seconds to confirm.
4. The display will show DEF-00 and return to the startup page.
This answer is automatically generated
I have error 24in my lcd
Error 24 on the Key-Disp KD21C LCD means "Motor Hall Signal Abnormality."
This answer is automatically generated
I have error number 24 my bike is cuybike
Error number 24 for a Key-Disp KD21C bike means "Motor Hall Signal Abnormality."
This answer is automatically generated