Introduction

The Yolin Electric Bike Display YL61F is a smart LCD instrument designed to enhance the cycling experience by providing essential information at a glance. Compatible with 24V, 36V, and 48V systems, it features a clear display that shows battery level, current speed, and other vital metrics. Its waterproof design ensures durability in various weather conditions. The YL61F is priced at approximately $45, making it an affordable upgrade for electric bike enthusiasts.

Product name and model number

Smart LCD display for electric bicycle; Model: 61F.

Specification

36V/48V power supply
Display rated current 15mA
Display maximum current 30mA
Shutdown leakage current <1uA
Supplied current to the controller 50mA
Operating temperature -20～60℃
Storage temperature -30～70℃

Appearance and Size

Function overview and Functional areas

Functional overview

The YL61F display offers a variety of features to suit riding needs, including:

Battery level indicator
Pedal assist (PAS) level indicator
Speed (current speed, maximum speed, average speed)
Mileage display (single and total mileage)
Walk boost mode
Light ON/OFF
Error code indicator (optional)
Cruise control indicator (optional)
Bluetooth connection indicator (optional)
Personalized parameter settings (e.g. wheel diameter, speed limit, battery power setting and PAS parameter setting, password setting, controller current limit setting, etc.).
Factory default parameter recovery function

Functional areas

Description

The Yolin Electric Bike Display YL61F boasts a sleek and durable design, ensuring it withstands the rigors of regular use. The high-resolution LCD screen provides clear visibility even in direct sunlight or low light conditions, thanks to its adjustable backlight. The intuitive button controls allow riders to navigate through various menus and settings effortlessly. Additionally, the display features a built-in USB port, enabling riders to charge their smartphones or other devices while on the move.

Button definitions

The YL61F display is equipped with three buttons on the correction-ding operating unit: power on/off, plus and minus.

Routine operation

Power on/off

Long press to power on/off the display. When the display is off, it will not use the battery power and the leakage current is less than 1uA.

WARNING: The display will automatically shut off if it is not used for more than 10 minutes.

Display interface switching

When the display is powered on, it will show the Current Speed (Km/h) and trip Odometer (km) by default. Short press to switch between Trip Odometer (km), Odometer (km), Maximum Speed (km/h), and Average Speed (km/h).

Walk boost mode

Long press and hold, the electric bicycle enters the walk boost mode. The electric bicycle will walk ata a fixed speed of 6km per hour and the display shows. Release the button to stop the power output immediately and restore to the state before walk boost.

WARNING: The walk boost mode can only be used when pushing the electric bicycle, please do not use it while riding.

Turning on/off lights

Long press the to make the controller turn on the lights and display backlight becomes dim. Long press again to make the controller turn off the lights and the backlight restore brightness.

PAS level selection

Press / to switch PAS level of electric bicycle, thus changing the motor output power.

Battery level display

The Battery level is shown as 5 bars. When the battery is full charged, all of the 5 bars lighten up. When the battery is fully depleted, the bar will begin to flash, warning the user to charge the battery as soon as possible.

Error code display

If there is a fault occurs in the electric system of the electric bicycle, the display will automatically show an error code, see Schedule 1 for a detailed definition of the error code.

WARNING: When the error code appears on the display, please troubleshoot the problem in time, the electric bicycle will not be able to drive normally after the problem occurs.

Personalized parameter settings

Each setting needs to be done with the bicycle stationary. The personalized parameter setting procedure is as follows When the display is ON and the speed shows 0,
The following options are available on the personalized parameter setting interface:

Press and hold and simultaneously for more than 2 seconds to enter the personalized parameter setting interface.
Press /to toggle between the personalized parameter setting interface, and press to enter the parameter changing state.
Press /to select the parameter, long press for addition operation, long press for subtraction operation.
Press to save the parameter settings and return to the personalized parameter setting interface.
Long press to save the parameter settings and exit the personalized parameter setting interface.

Backlight luminance setting

01P refers to the backlight luminance setting option. The adjustable range is: 1-3, 01 for the minimum luminance, 02 for the standard luminance, 03 for the maximum luminance.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Metric and Imperial setting

02P is the metric and imperial setting option, 00 for metric and 01 for imperial.
- Press to enter the parameter changing state. Press the / to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Rated voltage setting

03P is the rated voltage setting option. The available rated voltage range is: 36V/48V.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Auto Sleep Time Setting

04P is the auto sleep time setting. To save the battery power and reach higher range, this dispaly will be turned off after it has not been used for a time. The adjustable range is: 1~60min, 00 means no auto shutdown. The factory default setting is 10 minutes.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

PAS level setting

05P is the Pedal assist (PAS) level setting option. The available Pedal assist level settings are: 0~3, 1~3, 0~5, 1~5, The factory default setting 0~5.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Wheel diameter setting

06P is the wheel diameter setting option. Unit: inch, accurace: 0.1, The adjustable wheel diameter range is: 0~50inch.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Number of speed sensor magnets setting

07P is the speed sensor magnet number setting option. The adjustable speed sensor magnet number range is: 01~255pcs.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Speed limit setting

08P is the speed limit setting option. Change this value to set the maximum riding speed of the electric vehicle; The adjustable speed limit range is: 0~100km/h, 100 means no speed limit.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Start-up setting

09P is the start-up setting option. The display can choose the following start modes: 00 → zero start, 01→ non-zero start.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Drive mode setting

10P is the drive mode setting option. The available drive modes are: 00 → Pedal assist only, 01 → Electric only, 02 Both Pedal and assist electric.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Pedal assist sensitivity setting

11P is the pedal assist sensitivity setting option. The adjustable range is: 1~24.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Pedal assist strength setting

12P is the Pedal assist strength setting option. The adjustable range is 0~5. 0 is the weakest strength and 5 is the strongest.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Number of pedal assist sensor magnets setting

13P is the number of pedal assist sensor magnets setting options. The adjustable range: 5pcs, 8pcs,12pcs.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Controller Current Limit Setting

14P is the controller current limit setting option. The adjustable range is: 1~50Ah, The factory default setting is 12Ah.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Controller under voltage value setting

15P is the controller under voltage value setting option.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

ODO reset operation

16P is the odometer reset setting option. Optional 00、01.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Cruise enable setting

17P is the cruise enable setting option. 00 means disabled cruise, 01 means enable cruise, The factory default 00.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Promotion function setting

18P is the promotion function setting option. 00 represents no 6km, 01 represents 6km. The factory default 00. Press to enable the parameter changing state.
- Press to enter the parameter changing state. Press the /to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Wire connection diagram

Standard wire connection sequence

Setup Guide

To set up the Yolin Electric Bike Display YL61F,

Start by connecting the display to your e-bike's control system using the provided cables.
Ensure all connections are secure and properly aligned. Next, mount the display on your handlebars using the included bracket system.
Once installed, turn on your e-bike and follow the on-screen instructions to configure the display settings according to your preferences.
For pairing with additional accessories, refer to the user manual for specific instructions.

Precautions

Pay attention to all the general operating when using the products and do not plug and unplug the display while it is powered on.

Avoid bumping to all the general operating when using the products and do not plug and unplug the display while it is powered on.
Please do not change the parameter settings at will, otherwise normal riding cannot be guarantteed.
If display does not work properly, please send it to the repair center as soon as possible.
There may be differences between the physical products and this manual due to normal upgrade. Please refer to the physical products.

Table 9-1 Standard connector wire sequence table

Standard Wire Sequence	Standard wire color	Function
1	Red (VCC)	Display powerwire
2	Blue (Kp)	Controller powerwire
3	Black (GND)	Display groundwire
4	Green (RX)	Display datareception wire
5	Yellow (TX)	Display datatransmit wire

Some models are equipped with waterproof connectors and color inside wires can not be seen.

Schedule 1: Error Code Definition

YL-01、YL-02 Error codes：
Error code	Definition	Error code	Definition
E001	Controller failure	E004	Throttle failure
E002	Communication failure	E005	Brake failure
E003	Hall failure	E006	Motor phasefailure

Schedule 2: Error Code Definition

Customized YL-02（LKLS）Error codes：
Error code	Status significance	Processing method
Error05	Brake failure	Whether thebrake is in position; Replace the brake handle
Error06	Battery undervoltage	Requires batteycharging
Error07	Motor fault	Check whether the power line is loose
Error08	Throttle failure	Whether the handle is returned; Checkthe handle link. If it is normal, replace the handle
Error09	Controller failure	Check the controller hallconnection
Error10	Communication reception failure	Check whether the instrument cableis connected properly
Error11	Communication transmission failure	Check whether the instrument cableis connected properly

Quality Assurance and Warranty

Warranty info

Yolin will offer a limited warranty for any failure caused by the product defects under normal use during the warrant period.
The product is warranted for 12 months from the date out of factory.

Pros & Cons

Pros:

Clear and high-resolution display
Intuitive and user-friendly interface
Durable and water-resistant construction
Compatible with multiple e-bike systems
Built-in USB port for convenient charging

Cons:

Potentially higher cost compared to basic displays
Some users may find the setup process slightly complex
Limited customization options for the display layout

Customer Reviews

Early reviews of the Yolin Electric Bike Display YL61F have been overwhelmingly positive, with many users praising its clarity and ease of use. Some common feedback includes appreciation for the built-in USB port and the display's robust build quality. However, a few users have noted that the setup process can be a bit more involved than expected, and there is a desire for more customization options in future updates.

Common complaints include minor issues with cable management and some users finding the menu navigation slightly cumbersome at first. However, these are generally seen as minor drawbacks in an otherwise excellent product.

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