E5227-U LCD Display

User Manual_E5227-U eBike LCD Display

1. About the User Manual

Dear users,

To ensure the better performance of your e-bike, please read through the E5227 LCD 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 and Size

2.1 Material and Color

E5227 LCD housing material: PC. And the color of the housing is black. Working temperature scope: -20℃—+60℃, the shell material can ensure the normal use and good mechanical performance of the products.

Display Size and Installation Size(Unit: mm)

E5227 LCD is equipped with a special N3-button unit.N3 button shape is as follows:

The N3 button is connected to the bottom lead of the E5227 LCD display.
In the follow-up instructions, the button ‘M’ is named [MODE]. The button ‘Up arrow’ is named [UP], and the button “Down arrow” is named [DOWN].

In addition, 30 button as below is also optional, to be mounted on the left side of the handlebar or on the right side of the handlebar. Its shape is as follows:

The 30 button is connected to the bottom lead of the E5227 LCD display. In the follow-up instructions,
The button ‘M’ is named [MODE]. The button ‘Up arrow’ is named [UP], and the button ‘Down arrow’ is named [DOWN].

3. Function Summary and Button Definition

3.1 Function Overview

The E5227 LCD offers you a variety of features and displays to suit your cycling needs. The displayed contents are:

• Battery capacity
• Motor power
• Speed (Including current speed, maximum speed and average speed)
• Distance (Including single trip and ODO)
• Push cruise control
• Turn on backlight
• Error Code
• Multiple setting parameters
• Default parameter reset
• USB charging (only for display with USB port)
• Definition of Error Code & Password Checklist

3.2 Normal Display Area

3.3 Button Definition

In the subsequent description, the button ‘M’ is named [MODE]. The button ‘Up arrow’ is named [UP], and the button ‘Down arrow’ is named [DOWN].

4. Precautions

Pay attention to safety during use, do not connect or disconnect the display while it is powered on.

• The display should try to avoid bumps.
• The display uses a film as waterproof film; please do not tear it, so as not to affect the waterproof performance of the display.
• Regarding the background parameter setting of the display, please do not change it at will, otherwise, it will not guarantee normal riding.
• When the display is not working properly, it should be repaired as soon as possible.

5. Installation Instruction

Fix the display on the handlebar and adjust the proper angle of view. In the case that the e-bike is powered off, the connector of the display is inserted into the connector corresponding to the controller to complete the installation.

6. Standard Operation

6.1 Power ON / OFF

Hold the [MODE] button, the display starts to work and provides the controller with working power. In the power-on state, hold the [MODE] button to turn off the power of the electric vehicle. In the power-off state, the display no longer uses the battery’s power supply, and the display’s leakage current is less than 1uA.

Note: If the e-bike is not used for more than 10 minutes, the display will automatically shut down.

6.2 Display Interface

After the display is turned on, the display shows the following interface:

6.3 Distance

Press [MODE] to switch between TRIP and ODO. This feature makes it easy for users to view the current mileage (TRIP) and accumulated total mileage (ODO).

6.4 Speed (current speed/average speed/max speed)

After the e-bike is turned on, the display shows the current speed by default.

Hold [MODE] and [UP] buttons simultaneously for 2 seconds to display the average speed (AVG) of the current ride. Hold [MODE] and [UP] buttons simultaneously again for 2 seconds to display the maximum speed (MAX), hold [MODE] and [UP] buttons simultaneously again for 2 seconds, return to the current speed and repeat this cycle.

6.5 Push Cruise Control

Hold [DOWN] for 2 seconds, the e-bike enters the mode of power assist walk. The e-bike travels at a constant speed of 6 Km/h, WALK symbol flashes on the screen.

Note: The power-saving function can only be used when the user pushes the e-bike. Do not use it while riding.

6.6 Turn On Backlight

Hold the [UP] button for 2 seconds, the display’s backlight is turned on, and the controller is notified to turn on the headlights. The LCD backlight can be turned on when there is insufficient external light or driving at night. Hold the [UP[ button for 2 seconds again, and the LCD backlight turns off.

6.7 PAS Level Selection

Press the [UP] or [DOWN] button to switch the PAS level of the e-bike and change the output power of the motor. The default output power range of the display is PAS 1-5, and preset level 1.

6.8 Battery Indicator

When the battery voltage is high, the five-segment LCD is on. When the battery is under voltage, the outer frame of the battery flashes, indicating that the battery is seriously under-voltage and has to be charged immediately.

6.9 Motor Power

The display can show the output power of the current motor. The display mode is as shown below.

6.10 Error Code

When the e-bike electronic control system fails, the display will automatically report the error code. See Table 1 for the definition of the detailed error code.

Note: The fault display interface can only be exited when the fault is eliminated. After the fault occurs, the e-bike will not be able to continue riding.

7. USB Charging (Only For Display with USB Port)

Display with USB interface, this interface provides charging power for mobile phones, output 5VDC/500mA. When the display is off, connect the mobile phone data cable between the display and the mobile phone. When then turn on the display, it shows ‘USB’ every 3S, indicating that the mobile phone is being charged; if the display is turned off at this time, the USB interface still provides the mobile phone charging function. In any state, unplug the phone and the charging will automatically terminate.

8. User Setting

8.1 Preparation before Power On

Make sure the connectors are docked firmly and turn on the e-bike.

8.2 General Setting

Hold the [MODE] button to start up. In the power-on state, hold the [UP] and [DOWN] buttons simultaneously for 2 seconds, and the display enters the setting state.

8.3 Single Trip Clearance

CL stands for single trip clearance, and the setting parameter is optional N/Y. The default N means that the single trip distance is not cleared. Y/N can be selected by [UP] / [DOWN], Y means that the single trip distance needs to be cleared, and N means that the single trip distance does not need to be cleared.

8.4 Backlight Brightness

BL stands for backlight. Parameters 1, 2, and 3 can be set to indicate the brightness of the backlight. The factory default value is 1. The backlight brightness parameter can be changed by [UP]/[DOWN]. 1 is the darkest and 3 is the brightest.

8.5 Display Unit

The unit represents the display unit. The parameter Metric/English can be set. The factory default is metric. The parameters can be changed by [UP]/[DOWN].
Exit Setting
In the setting state, shortly press the [MODE] button to confirm the input and enter the next setting, and hold the [MODE] button to save and exit the setting state.

8.6 Password Setting

Hold [UP] and [DOWN] buttons simultaneously for 2 seconds to enter the normal setting state; then hold [UP] and [MODE] buttons simultaneously for 2 seconds to enter the power-on password setting state.

The display prompts “PAS.2”, indicating that you need to enter the power-on password. Press the [MODE] button to shift, and increase/decrease the input value by [UP] /[DOWN]. After the 4-digit password is entered, press the [MODE] key to confirm. If the password is correct, enter the power-on password user setting interface, otherwise, it will stay in the password input state. Hold the [MODE] button to exit. The factory default is 1234.

8.7 Password Use

By [UP]/[DOWN] to select Y/N. Y means that the power-on password is required, and N means that the power-on password is not required. Press [MODE] to confirm and enter the password modification interface.

8.8 Change Password

PSD indicates the password. Press [MODE] to shift and increase/decrease the value by [UP]/[DOWN]. After the modification is completed, hold the [MODE] button to save the confirmation and exit the setting state.

8.9 Operation Parameter Setting

Hold[UP] and [DOWN] buttons simultaneously for 2 seconds to enter the normal setting state; then Hold [DOWN] and [DOWN] buttons simultaneously for 2 seconds to enter the operation parameter setting state.
The display prompts “PAS.1”, indicating that you need to enter the permission password. Press the [MODE] button to shift, and increase/decrease the input value by [UP]/[DOWN]. After the 4-digit password is entered, press the [MODE] button to confirm. If the password is correct, enter the power-on password setting interface, otherwise, it will stay in the password input state. Hold [MODE] to exit. The permission password is 0512.

8.10 Wheel Size Setting

LD stands for wheel diameter setting. Available values are: 16inch, 18 inch, 20 inch, 22 inch, 24 inch, 26 inch, 700C, 28 inch, 29 inch. Use [UP]/[DOWN] to select the wheel diameter corresponding to the e-bike to ensure the accuracy of the speed display and mileage display. Press [MODE] to confirm and enter the speed limit setting interface. The factory default wheel diameter value is 26inch.

8.11 Speed Limit Setting

LS indicates the speed limit setting. The default maximum riding speed is 25Km/h. Change this value to set the maximum riding speed of the e-bike. When the electric motor exceeds the set value, the controller will stop supplying power to the motor to protect the rider’s safety.
The maximum speed setting can be selected from 12Km/h to 25Km/h. It can be set by [UP]/[DOWN]. After the modification is completed, press and hold the [MODE] button to save the confirmation and exit the setting.

8.12 Personalization

In order to enhance the personalized use of this product, we have specifically added this setting. It can be set for different requirements of users. In this setting, the display’s battery indicator setting, PAS level setting, current limit setting, PAS sensor setting, speed sensor setting, throttle function setting, and system setting are included. A total of seven items and detailed settings are shown in table 3.

8.13 Personalization Password Input

Hold [UP] and [DOWN] buttons simultaneously for 2 seconds to enter the normal setting state; then hold the [UP] & [DOWN] buttons simultaneously again for 2 seconds to enter the personalized parameter setting state.

The display prompts “PAS.3”, indicating that you need to enter the permission password. Press [MODE] button to shift, and increase/decrease the input value by [UP]/[DOWN]. After the 4-digit password is entered, press the [MODE] button to confirm. If the password is correct, enter the power-on password setting interface, otherwise, it will stay in the password input state. Hold [MODE] to exit. The permission password is 2962.

By [UP]/[DOWN] to select the content to be set, and press [MODE] to enter the corresponding setting interface.

8.14 Battery Indicator Setting

VOL indicates the battery indicator setting. It is required to input the voltage values of 1 to 5 one by one. Take the first battery value as an example: “1” on the display indicates the first voltage and “31.5” is the first battery value. Change the value by increasing/decreasing with [UP]/[DOWN]. Press [MODE] to confirm and enter the next battery value setting. After the 5 power values are set, press [MODE] to confirm and return to the personalization parameter setting interface.

8.15 PAS Parameter Setting

8.15.1 PAS Level Selection

SCA indicates the PAS parameter setting. Eight modes are provided for selection: 0-3, 1-3, 0-5, 1-5, 0-7, 1-7, 0-9, 1-9. Switch between [UP]/[DOWN], press [MODE] to confirm, and enter the corresponding PAS ratio value setting interface.

8.15.2 PAS Proportion Setting

By setting the PAS proportion, you can adjust the speed of each gear to meet the needs of different riders.
Taking the first gear as an example, “15 – 30” is the recommended range of the PAS proportion, and “22” is the current value of the first gear (ie, the output is 22%). By increase/decrease settings with [UP]/[DOWN]. Press [MODE] to confirm and enter the next PAS proportion setting. After the setting is finished, press [MODE] to confirm and return to the personalization parameter setting interface. Refer to table 4 for details.

8.16 Current Limit Setting

CUR indicates the current limit setting. The current limit can be set from 7.0-18.0A. Change the maximum current value of the controller by [UP]/[DOWN]. Hold [MODE] to confirm and return to the personalization parameter setting interface. The factory default value of the display is 15A.

Depending on the hardware of the controller, the controller may not be able to reach the set 18A.

8.17 PAS Sensor Setting

8.17.1 PAS Sensor Direction Setting

Run indicates the PAS sensor direction setting. The display shows run.F/b. run. F stands for forward and run. b stands for reverse. Switch by [UP]/[DOWN]. Press [MODE] to confirm and enter the PAS sensor sensitivity setting. The factory default value of the sensor direction is positive.

8.17.2 PAS Sensor Sensitivity Setting

The display shows SCN, indicating the sensitivity of the PAS sensor. The setting range is 2-9. 2 indicates the highest sensitivity and 9 indicates the lowest sensitivity. Increase/decrease setting values by [UP]/[DOWN]. Press [MODE] to confirm and enter the PAS sensor proportion parameter setting interface. The factory default value is 2.

8.17.3 PAS Sensor Proportion Parameter Setting

N- represents the PAS sensor proportional parameter. The power sensor parameter values can be selected by [UP]/[DOWN]. The larger the value, the more obvious the PAS feeling. Hold [MODE] to confirm and return to the personalization parameter setting interface.

8.18 Speed Sensor Setting

SPS indicates the speed sensor setting. It can be set according to the number of magnet heads mounted on the wheel of the e-bike, and the setting range is 1-9. Modify it by pressing [UP]/[DOWN]. Hold [MODE] to confirm and return to the personalization parameter setting interface. The factory default value is 1.

8.19 Throttle function setting

8.19.1 Throttle Push Cruise Control Enable Setting

HL indicates the throttle’s push cruise control. HL: N means that the throttle does not has this function, and HL: Y means that throttle has this function, that is, when turning the throttle, the display enters the push cruise control mode. Y/N can be switched by [UP]/[DOWN]. If you select N, press [MODE] shortly to confirm and enter the throttle PAS level setting interface, otherwise, there is no response. Hold [MODE] to confirm and return to the display’s personalization parameter setting interface. The factory default value of the display is N.

8.19.2 Throttle Level Enable Setting

HF indicates the throttle level setting. HF: N means that the throttle doesn’t split levels according to the PAS ratio. If the throttle level splitting is enabled, the maximum output of the motor can only reach the speed of the corresponding PAS level shown on the display when turning the throttle; if no level splitting, it means that when the throttle is turned, the speed will not be limited to the PAS level shown on the display, it can reach to the rated maximum speed. Y/N can be set by [UP]/[DOWN]. Press and hold [MODE] to confirm and return to the display’s personalization parameter setting interface. The factory default value of the display is N.

8.20 System Setting

8.20.1 Battery Delay Time Setting

DL represents the battery delay time. The battery delay time 3/6/12s can be selected by [UP]/[DOWN]. Press [MODE] to confirm and enter the maximum speed limit setting interface. The default value is 3s.

8.20.2 Max Speed Limit Setting

MAX SPEED indicates the maximum speed limit. The maximum speed limit value can be set by [UP]/[DOWN], and the setting range is 25-40 Km/h. Press [MODE] to confirm, and enter the push walk mode to enable the setting interface. The factory default is 25Km/h.

8.20.3 Push Cruise Control Enable Setting

PUS indicates that push cruise control enables the setting. Y/N can be switched by [UP]/[DOWN]. Y means enable, that is, hold [DOWN], the push cruise control function can be realized; N means no enable, that is, no push cruise control function. Press [MODE] to confirm and enter the push cruise control speed setting. The factory default value of the display is Y.

8.20.4 Push Speed Setting

PU indicates the push speed setting. By setting the assist speed value, you can adjust the pushing speed to meet the needs of different riders. Adjusted by [UP]/[DOWN], the adjustable range is “10-50”. Press [MODE] to confirm and enter the slow start setting interface. The display defaults to 25 (ie, 25% output).

8.20.5  Slowly Startup Setting

SP indicates the slow start-up setting. The adjustable range is 1-4. 4 is the slowest. Select with [UP]/[DOWN]. Press and hold [MODE] to confirm and return to the display’s personalization parameter setting interface. The display defaults to factory default 1.

8.20.6 Exit Setting

In the personalized parameter setting state: press [MODE] to confirm the input to enter the next setting; hold [MODE] to confirm the current setting and exit the current setting state; hold [DOWN] to cancel the current operation, exit without saving the current set data.

Note: The display automatically exits the setting state without any operation for one minute.

8.20.7 Restore Default Setting

DEF means to restore the default parameters. Hold [DOWN] and [MODE] buttons simultaneously for 2 seconds to enter the Restore Default Parameters interface. Switch Y or N with [UP]/[DOWN]. Y indicates that the default parameters need to be restored. Hold [MODE] to confirm. If you select Y, you need to enter the permission password to restore the default parameters.

 

The permission password is 0368. Press [MODE] to shift and increase/decrease the value by [UP]/[DOWN]. After the 4-digit password is entered, press [MODE] to confirm. The display will automatically exit after a successful recovery.

Note: In the recovery default, the battery indicator, ODO, and TRIP are unrecoverable, but the power-on password is in recovery.

9. FAQ Answers

Q: Why can’t turn on the display?
A: Check if the battery power is turned on, the outer leakage cable is broken or not.
Q: What should I do if the display shows an error code?
A: Timely repair at the e-bike repair shop.

10. Quality Warranty And Coverage

10.1. Warranty

In the case of normal use, due to the quality problems caused by the product itself, the company will be responsible for the warranty during the warranty period.
The warranty: 24 months since the display is out of the factory.
Regarding the storage and handling of the product, please comply with local laws and regulations and environmental requirements.

10.2. The following conditions are not covered by the warranty

1. The casing is opened
2. Connector is broken
3. The display leaves the factory, the casing is scratched or the casing is damaged.
4. Scratch or break the display lead wire
5. Failure or damage caused by force majeure (such as fire, earthquake, etc.) or natural disasters (such as lightning strikes)
6. The product is out of warranty.

11. Circuit Block Diagram

Standard Connector Wire Sequence

Table: Standard connector wire sequence table

Note: Some products have waterproof connectors for the leads, and the user cannot see the color of the leads in the harness.

12. Software Version

This operating instruction is general-purpose software (version V1.0). Some of the versions of the e-bike LCD may have slight differences, all with the actual use version.

Attached is Table 1: Definition of Error Code

Note: Here is a more general error code for different e-system for your reference.

Attached is Table 2: Password Checklist

Attached is Table 3: Personalization Parameters Table

Attached is Table 4: PAS Proportion Default Value