DENAGO K5242 LCD City Model 1 Top-Tube eBike User Guide

June 4, 2024
DENAGO

DENAGO K5242 LCD City Model 1 Top-Tube eBike

Preface

Dear user, to ensure better performance of your e-bike, please read through the K5242-S product introduction carefully before using. We will use the most concise words to inform you of all the details (including the hardware installation, setting and normal operation use of the display) when using our display. Meanwhile, the introduction will also help you to solve possible confusion and barriers.

Appearance and Dimensions

Material and Color
K5242 products are made of black and white PC. Under the temperature of -20 to 60℃, the shell material can ensure normal usage and good mechanical performance.
Dimension(unit:mm)

DENAGO K5242 LCD City Model 1 Top-Tube eBike-fig2

Function and Button Definition

Function description

K5242 provides you with a variety of function modes, to meet your riding needs. Its functions are as follows:

  • Battery power indication
  • Speed indication
  • Distance (including single trip distance and ODO display)
  • Walk assist indication
  • Backlight setting
  • Error code indication
  • Various setting parameters

Normal Display Content

Button definition

There are 3 buttons on K5242-BLT, In the following introduction, is named as “MODE”. is named as “UP” and is named as “DOWN”.

Note for Users

Be care of the safety use. Don’t attempt to release the connector when battery is on power.

  • Try to avoid hitting.
  • Don’t split the waterproof sticker to avoid affecting the waterproof performance.
  • Don’t modify system parameters to avoid parameters disorder.
  • Make the display repaired when error code appears.

Installation Instruction

When the e-bike is powered off, you can insert the connector of display and the corresponding connector of controller to complete the installation, and adjust the display to a suitable angle.

User Settings

On / Off
Long press “MODE” button then the display will work normally, and the controller will power on at the same time.
With the display on, long press “MODE” button, the display will shut down, the display will leave off battery, the leakage current of display on is less than 1μA.

User interface

Walk Assist Mode
Press and hold the “DOWN” button for 2 seconds to enter the Walk assist mode. The E-bike will travel at a constant speed of 6km/h.

Walk Assist function can only be used as pushing the e-bike by hands. Please don’t use this function when riding.

PAS Level Selection
Short press the “UP” or “DOWN” button to switch the PAS level in the main interface, the motor output power will be changed accordingly by the PAS level of E-bike. The default range of PAS level is 0-5 levels. Level 1 is the lowest output level, and the level 5 is the highest output power level of the motor.

Battery Indicator
The battery power is shown as a percentage bar. When the battery is fully charged, the power bar shows 100%, each grid represents 10% Battery power.

DENAGO K5242 LCD City Model 1 Top-Tube eBike-fig12

Speed/Single Trip/Odometer

Real time speed, Trip display interface
When display is powered on, it shows the real-time speed and single trip mileage interface by default. When the speed is zero, long press “MODE” and “DOWN” button for 2 seconds, and the current single trip mileage will be cleared. After the display is shut down and restarted, the single trip mileage will not be cleared.

Max Speed, Odometer display interface
When display is powered on, short press “MODE” button in the normal interface to switch the Max speed and Odometer mileage data. The Max speed represents the maximum speed during this ride, and the Odometer mileage is the total mileage of the E-bike.

Avg Speed, To Go display interface
Short press “MODE” button again to switch to the Avg speed and To Go mileage display interface. The Avg speed represents the average speed during this ride, and the To Go mileage represents the remaining mileage that the E-bike can go.

Error Code
When the e-bike electronic control system fails, the display will automatically indicate the error code. For the definition of detailed error codes, see appendix 1.

The fault can only exited when the fault is eliminated, and the E-bike cannot continue to drive after a fault occurs.

User Settings

When there is no speed in the power on state, press and hold the “UP” and “DOWN” button at the same time for 2 seconds, and the display will enter the setting interface.

Wheel Size Setting
When enter the wheel size setting option. The settable values are: 16, 18, 20, 22, 24, 26, 700C, 27.5, and 28 inch. Select the corresponding wheel diameter of the E-bike through “UP” and “DOWN” button to ensure the accuracy of the speed display and mileage display. Long press “MODE” button to return to the normal interface.

Speed Limit Setting
Short press “MODE” button enter the speed limit setting option. The optional range of the maximum speed setting is 17Km/h to 45Km/h (11MPH to 28 MPH). It can be set by “UP” and “DOWN” button. The default setting is 45Km/H (28MPH). Long press “MODE” button to return to the normal interface.

Backlight Brightness Setting
Short press “MODE” button to enter the backlight brightness setting option. The setting options: 1, 2 and 3 indicates the backlight brightness, 1 is the darkest, 2 is standard brightness, 3 is the brightest. The default value is 3. Long press “MODE” button to return to the normal interface.

Display Unit Setting
Short press “MODE” button to enter the Unit setting option. The setting parameters are Km/h and Mile/h. Km/h or Mile/h can be selected by pressing “UP” and “DOWN” button. Km/h means the unit is metric system, and MPH means the unit is Imperial system. The default setting is MPH. Long press “MODE” button to return to the normal interface.

Preparation Before Startup

Please read the instruction carefully before using the display.

FAQ

  • Q: Why can’t turn on the display?
    A: Please check whether the battery is turned on or the leakage lead wire is broken

  • Q: How to deal with the error code display?
    A: Contact the e-bike maintenance station in time.

Quality Assurance and Warranty Scope

Warranty Information

  1. King-Meter will be responsible for all faults arising during normal operation that are caused by a quality defect.

  2. The warranty time is 24 months from the day the display leaves the factory.
    The following are not covered by warranty:

  3. Shell opened.

  4. Connector damaged.

  5. After display out of factory, the shell is scratched or damaged.

  6.  Lead wire of display scratch or break.

  7. The fault or damage is caused by the force majeure (such as fire, earthquake, etc.) or natural disasters (such as lighting, flooding, etc.)

  8. Product exceeded warranty period.

Appendix 1: Error Code Definition

Error Code Definition Solution
21 ****

Current Abnormal

| Check whether the three phase wires of

the motor are short-circuited

22| ****

Throttle Abnormal

| Check whether the throttle is restored to

the initial state

23| ****


Motor phase problem

| Check whether the phase wires are in good condition;

Check whether the motor phase line is well

connected to the controller

24| ****


Motor Hall defect

| No Hall controller: check whether the phase wire is in good condition

With Hall controller: check whether the

Hall outlet is good

25| ****

Brake Failed

| Check whether the brake lever is reset

before power on.

30| Communication

failure

| Check whether the connection between

display and controller is good

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