1. Preface
To ensure the better performance of your e-bike, please read through the N5236 product introduction carefully before using it. We will use the brief words to inform you of all the details (including hardware installation, setting, and normal use of the display) when using our display. Meanwhile, the introduction will also help you solve possible confusion and barriers.
2. Appearance, Size and material
The Working temperature scope of N5236 housing material is -20℃—+60℃, the shell material can ensure the normal use and good mechanical performance of the products.
Display Size and Installation Size (Unit: mm)
The Button unit is connected to the bottom of the N5236 display via a lead cable. In the following introduction, “Switch” is named as “Switch”. “Headlight” is named “Headlight”.
N3-button unit:
In the following introduction, “MODE” is named “MODE”. “UP” is named “UP”, and “DOWN” is named “DOWN”.
3. Function Summary
N5236 displays the content list as follows:
- the capacity of the battery
- Power of Cycling
- Speed (current speed, average speed, and max speed)
- Distance (single trip distance and ODO)
- PAS level
- Turn on/off the headlight
- 6km/h walk-assist
- USB Charging
- Bluetooth, GPS location
- Error code
- Multi-set up parameters: Wheel Size, Speed limited, unit settings (metric/imperial), Backlight Setting, Single trip distance Clearance
- Photosensitive backlight (Automatically adjust the screen backlight according to the ambient light intensity).
4. Main Display Figures
There are three kinds of display interfaces, including a standard display interface, a detailed information interface, and a navigation interface, they can be switched by pressing and holding the “MODE” button for a long time.
| No. | Normal Display Interface | Detailed Information Interface | Navigation Interface |
| 1 | Headlight | Headlight | Headlight |
| 2 | Walk Assist | Walk Assist | Walk Assist |
| 3 | Navigation | Navigation | Navigation |
| 4 | USB Charging | USB Charging | USB Charging |
| 5 | Battery Capacity | Battery Capacity | Battery Capacity |
| 6 | Power of Cycling | Single Trip Distance | Remaining Distance |
| 7 | PAS Level | Power of Cycling | Current Speed |
| 8 | ODO | Current, Average and Max Speed | ODO |
| 9 | Single Trip Distance | ODO | PAS Level |
| 10 | Current Speed | PAS Level | Sing Trip Time |
| 11 | Current Speed | Navigation Direction Indicator |
5. Note for users
When the instrument displays the error code, please go to the dealer for maintenance.
6. Standard operation
6.1 On/Off
Press and hold the “Switch” button for 2 seconds, the display will start to work. In the power-on state, long press the “Switch” button for 2 seconds to turn off the e-bike’s power. In the shutdown state, the battery power is no longer used for the display, and the leakage current of the instrument is less than 1uA.
If the e-bike is not used for a long time, the display will automatically shut down.
6.2 Speed
After the display is powered on, the display will show the current speed by default. Short press the “MODE” button briefly to switch the display information. The sequence of the display is current speed → max speed → average speed.
Normal display interface:
Detailed information interface:
Navigation interface:
6.3 Turn on/off the headlight
Press the “Headlight” button briefly to turn on/off the headlight
Normal display interface:
Detailed information interface:
Navigation interface:
6.4 6km/h Walk assist
Press and hold the “Down” button in the main interface to enter the 6km walk assist mode, and release it to exit the walk assist mode.
Normal display interface:
Detailed information interface:
Navigation interface:
6.5 PAS Level Adjustment
Short press the “UP” or “DOWN” button to switch the power-assisted level of the e-bike and change the output power of the motor. The level range is level0-level5, level0 is the lowest power, and level 5 is maxing power. The default level is level1.
Normal display interface:
Detailed information interface:
Navigation interface:
6.6 Capacity of battery
When the battery voltage is high, the LCD segments show 100%. When the battery is under low voltage (<=20%), the battery power indicator color turns yellow, when the battery capacity is insufficient (<=10%), the battery power indicator color turns red, indicating that the battery is under voltage seriously and needs to be charged immediately.
Normal display interface:
Detailed information interface:
Navigation interface:
6.7 Auto Backlight
When the brightness of the surrounding environment changes, the instrument will automatically control the brightness of the screen backlight through the built-in photosensitive element. When the external environment becomes dark, the backlight will be dimmed synchronously, and when the external environment is bright, the backlight will be brightened synchronized.
6.8 USB Charging
Plug in the USB device before powering on the instrument, turn on the power to charge the USB device, the USB icon will light up, unplugs the USB device, and the USB icon turns off after 2 Seconds; after starting up the instrument, insert the USB device, and long-press the “UP”, “Down” and “Mode” buttons to start the charging function. If there is a USB device connected, the USB device will be charged, and the USB charging icon will be on. If the USB device is pulled out, the USB charging icon will be turned off after 2S.
Normal display interface:
Detailed information interface:
Navigation interface:
6.9 Bluetooth Mode
Users need to search the app “Tahuna” in App Store and download and install it. When the instrument is powered on and the Bluetooth is on, log in to the app for use. The Bluetooth name of the instrument is “BR2262e”.
Normal display interface:
Detailed information interface:
Navigation interface:
6.10 Navigation mode
The navigation mode can only be used when the Bluetooth function is turned on in the navigation interface. The instrument can display the current remaining distance and riding directions.
Indicators are as follows:
6.11 Error Code
When the system is wrongly working, the display will show the error code automatically. Only when the fault is eliminated can the error display interface be exited, and the e-bike will not be able to continue driving after the error occurs.
Standard error codes are defined in the following table:
| Error Code | Definition |
| 21 | Abnormal Current |
| 22 | Throttle Fault |
| 23 | Motor Phase Problem |
| 24 | Motor Hall Defect |
| 25 | Brake Failed |
| 30 | Abnormal Communication |
Note: Here is a more general error code for different e-system for your reference.
7. Settings
7.1 Settings
In the main display interface and the real-time speed is 0, long-press the “UP” and “DOWN” buttons at the same time to enter the setting interface. Short press the “MODE” button to switch the setting items, which are as follows: wheel size check- speed limit check-single trip distance reset setting- backlight brightness setting- unit setting -wheel size check.
In the setting interface, press and hold the “MODE” button (> 2S) to exit the setting interface.
7.2 wheel size check
In the setting interface, you can check the current wheel size under the wheel size check option interface.
7.3 Speed limited check
In the setting interface, you can view the maximum riding speed of the e-bike. When the speed exceeds the set value, the controller will stop the power supply to the motor to protect the safety of the rider.
7.4 Clearance of Single trip distance
The single trip reset setting can clear the single trip distance of the instrument. Short press the “MODE” button to enter the setting state of single trip distance clearing. Short press the “UP” button or “DOWN” button to clear the single distance (yes) and not clear (no). Press the “Mode” button again to confirm the setting item, and save the settings when returning to the main interface.
7.5 Backlight Setting
The backlight brightness setting can set the backlight brightness value of the instrument. The default value of the instrument backlight is automatic adjustment mode. Short press the “MODE” button to enter the backlight brightness setting interface. Short press the “UP” button or “DOWN” button to select the backlight brightness value (20 / 40 / 60 / 80 / 100 / auto). Press the “MODE” button again to confirm the setting items, and save and exit the backlight setting interface at the same time.
7.6 unit settings
Unit sets can set the unit of speed and mileage displayed by the instrument. The default setting is a metric unit (Km/h, Km). When in the setting interface, short press the “MODE” button to enter the unit setting interface. Short press the “UP” or “DOWN” button to switch between metric unit (km/h) and imperial unit (mph). Press the “MODE” button again to confirm the setting item, save and exit the unit setting interface at the same time.
8. Circuit Diagram and wire sequence
9. Instrument printing code
If the customer has special requirements, print the code according to the customer’s requirements
If the customer has no special requirements, the code is printed according to the requirements of King-meter Co. The printing code is two lines. The first line is the hardware version number of the instrument, and the second line is the combination of production date, serial number, the instrument’s wire length, and connector type.
Example: DP C330.C 1.0
720Q1T7290001
10. FAQ
Q: Why can’t turn on the display?
A: Please check if the cable is well connected with the controller.
Q: How to deal with the error code display?
A: Contact the e-bike maintenance station in time.
11. Quality assurance and warranty scope
I. Warranty Information:
- We will be responsible for all faults arising during normal operation that is caused by a quality defect
- The warranty time is 30 months from the day the instrument leaves the factory.
- For the storage and handling of the products, please comply with local laws and regulations and environmental protection requirements.
II. The following are not covered by warranty:
- Shell opened.
- Failure or damage is caused by misuse or incorrect installation and debugging by users or third parties.
- After the display is out of the factory, the shell is scratched or damaged.
- Lead wire of display scratch or break.
- The fault or damage is caused by force majeure (such as fire, earthquake, etc.) or natural disasters (such as lighting, flooding, etc.)
- Product exceeded warranty period.
12. Version changes
The instruction manual of this display is the operation manual of the general software version (version 1.0). This Manual is Suitable only for N5236_ 2310 display.
