Yolin YL81C-B E-bike Display User Manual
- June 17, 2024
- Yolin
Table of Contents
Yolin YL81C-B E-bike Display User Manual
Product name and model
Intelligent LCD for e-bike; model: YL81C.
Specifications
- 36V/48V power supply
- Rated working current 15mA
- Maximum working current 30mA
- Leakage current at power-off <1uA
- Working current at the supply controller end 50mA Working temperature -20～60
- Storage temperature -30～70
Appearance and dimensions
Function overview and functional area layout
Function Overview
Display YL81C provides a variety of functions to meet the rising needs of users, including:
- Battery level indicator
- Assist level adjustment and indication
- Headlight indicator
- Speed indicator (including real-time speed, maximum speed (MAXS) and average speed (AVG))
- Distance indicator (including ODO and trip distance (Trip))
- Error code indicator
- Bluetooth connection indicator (reserved)
- Parameter setting function
Functional area layout
Button definitions
There are three buttons on the operating unit of display YLSIC, i., the on/off
button the plus button and the minus button .
General operation
Power on/off
By pressing and holding the button, the display will start to work and the
working power supply of the controller will be turned on. In the power-on
state, by pressing and holding the button, your e-bike will be powered off. In
the power-off state, the display will no longer use the battery power, and its
leakage current will be less than luA. If your e-bike is not used for more
than 10 minutes, the display will be automatically powered off.
Display interface
After the display is turned on, the display will show the real-time speed
(km/h) and the trip distance (km) by default. By pressing the button, the
information displayed will be switched between the trip distance (km), ODO
(km), maximum speed (km/h) and average speed (km/h). When the distance reaches
9999.9 km. it will be automatically reset to zero.
Push assistance
By pressing and holding the button, the electric push assistance mode will be
enabled. Your e-bike will run at a constant speed of 6km/h. The display will
show level P. By releasing the button power output and return to the state
before push assistance. , your e-bike will immediately stop power output and
return to the state before push assistance.
Headlight on/off
By pressing and holding the button the controller will turn on the headlights
and the display backlight will turn dark. By pressing and holding the button
again, the controller will turn off the headlights and the display backlight
will resume the luminance.
Assist level selection
By pressing the button / the e-bike assist level will be switched to change
the motor output power. The Assist levels available for the display include:
levels 0-3, levels 1-3, levels 0-5, levels 1-5, levels 0-7, levels 1-7, levels
0-9 and levels 1-9.
Battery level indicator
The battery level indicator consists of five segments. When the battery is
fully charged, the five segments will be all on. In case of Undervoltage, the
outline of the battery indicator will flash, which means the battery has to be
charged immediately.
Error code indicator
When a fault occurs in the electronic control system of your e-bike, the
display will automatically indicate the error code in the distance area in the
format of E0. Detailed definitions of error codes are shown in Schedule 1.
When an error code appears on the display interface, please conduct troubleshooting in time. Otherwise, your e-bike will not work normally.
General setting
All parameters can only be set when your e-bike stops. The steps for the
general setting are as follows: In the power-on state when the display shows a
speed of 0,
Trip distance reset
Press and hold the buttons at the same time for more than 2 seconds to reset
the trip distance.
Factory reset
dEF refers to factory reset. dEF-n represents not to restore factory settings,
and dEF-y represents to restore factory settings. Press and hold the buttons U
and # at the same time for more than 2 seconds to enter the factory reset
interface, and press the / button A to select a parameter.
Custom setting
All parameters can only be set when your e-bike stops.
The steps for custom setting are as follows:
- In the power-on state, when the display shows a speed of 0, Press and hold the buttons at the same time for more than 2 seconds to enter the selection interface of custom setting options;
- Press the button to switch the selection interface of general setting options, and press the button to enter the parameter modification interface;
- Press the button / – for parameter selection;
- Press the button to save the parameter and return to the selection interface of custom setting options;
- Press and hold the button to save the parameter and exit the selection interface of custom setting options.
Rated voltage setting
Pl refers to the rated voltage setting option. Available values include 36V
and 48V. Press the button to enter the parameter modification interface. Press
the button / for parameter selection. Press the button to save the parameter
and return to the selection interface of general setting options.
Wheel diameter setting
P2 refers to the wheel diameter setting option. Available parameters include
8-32 inches. Press the button on the parameter modification interface. Press
the button / for parameter selection. Press the button parameter and return
to the selection interface of general setting options. to enter to save the
parameter and return to the selection interface of general setting options.
Speed limit setting
P3 represents the speed limit setting option. The adjustable range is
10~40km/h. Press the button parameter modification interface. Press the button
/ for parameter selection. Press the button parameter and return to the
selection interface of general setting options. to enter the to save the
parameter and return to the selection interface of general setting options.
Metric/imperial system setting
P4 refers to the metric/imperial system setting option. 00 represents the
metric system, and 01 represents the imperial system. Press the button to
enter the parameter modification interface. Press the button / for parameter
selection. Press the button to save the parameter and return to the selection
interface of general setting options.
Speed sensor setting
P5 refers to the speed sensor setting option, which can be set according to
the number of magnetic heads installed on the wheels of your e-bike. The
setting range is 1-63. Press the button to enter the parameter modification
interface. Press the button / for parameter selection. Press the button to
save the parameter and return to the selection interface of general setting
options.
Current limit setting
P6 refers to the current limit setting. The adjustable range is 1-25A. Press
the button to enter the parameter modification interface. Press the button /
for parameter selection. Press the button to save the parameter and return to
the selection interface of general setting options.
Assistance sensor setting
P7 refers to the assistance sensor setting option, where the number of steel
magnets of the assistance magnetic disk can be set. The adjustable range is 5,
6, 7, 8, 9, 10 and 12. Press the button to enter the parameter modification
interface. Press the button / for parameter selection. Press the button to
save the parameter and return to the selection interface of general setting
options.
Power-on password setting
P8 refers to the power-on password setting option. PSd-Y means that a power-on
password is required, and PSd-N means that no power-on passwords are required.
The default value of the display is PSd-N. Press the button to enter the
verification interface, and press the button / to enter the selection
interface. If PSd-N is selected, press the button to return to the selection
interface of custom setting options; If PSd-Y is selected, press the button to
enter the password setting interface. If you don’t want to change the
password, press and hold the button to exit the custom setting interface. If
you want to change the password, press the button for cursor movement and the
button / for figure selection, and then press the button to retrieve the
selection interface of custom setting options.
Quality commitments and warranty scope
Warranty information
For the faults caused by the quality of the product under normal use, the
Company will be responsible for providing a limited warranty during the
warranty period. The warranty period of the product is within 12 months from
delivery. 8.2
- Non-warranty scope
- The enclosure is opened
- The connector is damaged
- The enclosure is scratched or damaged after delivery
- The outgoing line of the display is scratched or broken
- Faults or damage caused by force majeure (such as fires, earthquakes, etc.) or natural disasters (such as lightning strikes, etc.)
- The warranty period has expired
Outgoing line connection diagram
Wiring sequence of standard connector
Table 9-1 Wiring Sequence of Standard Connector
| Standard wiring sequence | Standard wire colour | Function |
|---|---|---|
| 1 | Red (VCC) | The power cord of the display |
| 2 | Blue (Kp) | The power control line of the controller |
| 3 | Black (GND) | The ground wire of display |
| 4 | Green (RX) | Data receiving line of display |
| 5 | Yellow (TX) | The data transmission line of the display |
The outgoing lines of some products adopt waterproof connectors, and users cannot see the outgoing line colour inside the wire harnesses.
Considerations
Please use it safely, and do not plug or unplug the display when it is powered
on. Please avoid bumping as far as possible. Please do not alter the
background parameter settings of the display at will, otherwise, normal riding
cannot be guaranteed. If the display fails to work normally, it should be
repaired as soon as possible. Due to product upgrades of the Company, part of
the displayed contents or functions of the product you bought may be different
from the manual, depending on the actual model.
Schedule 1 Error Code Definitions
Error codes for protocols YL-01 and YL-02:
Error codes| Definition| | Error codes| Definition
E001| Controller Abnormality| E004| Throttle Abnormality
E002| Communication Abnormality| E005| Brake Abnormality
E003| Motor Hall Signal Abnormality| E006| Motor Phase Abnormality
Error codes for protocols YL-05, KDS and YL-J:
Error codes| Definition| | Error codes| Definition
E021| Current Abnormality| | E024| Motor Hall Signal Abnormality
E022| Throttle Abnormality| | E025| Brake Abnormality
E023| Motor Phase Abnormality| | E030| Communication Abnormality
Tel: 022-86838795 Fax: 022-86838795
Email: yolin@yolintech.com
Website: www.yolintech.com
Address: Plant 52-1, Yougu Xinke Park, East of Jingfu Road, Pharmaceuticals
and Medical Equipment Industrial Park, BeichenEconomic Development Zone,
Beichen District, Tianjin
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