Do you have a question about the YL90T-H and is the answer not in the manual?
Questions and answers
Patrick van steen
March 15, 2025
Can i reset the power on password to factory ? When i start the display of says pb with 4 zero digits. And after a while the screen shuts off.
1 comments:
Mr. Anderson
March 15, 2025
The manual does not provide instructions for resetting the power-on password to factory settings. However, it states that the default factory password is 1212. If the password has been changed and forgotten, there is no provided method to reset it.
This answer is automatically generated
Віталій
July 24, 2025
Дисплей вимикається під час їзди через декілька хвилин.
Otakar Holeček
June 25, 2025
Dobrý den,
kde je možno zakoupit YL90T-H
Sviatoslav
May 15, 2025
hello, please help, I want to register this bike, I need a certificate for this rover, where can I find it?”
TABLE OF CONTENTS 1. PRODUCT NAME AND MODEL NUMBER............................1 2. SPECIFICATION....................................1 3. APPEARANCE AND SIZE..................................1 4. FUNCTION OVERVIEW AND FUNCTIONAL AREAS........................... 3 ................................3 4.1 F UNCTIONAL OVERVIEW .................................. 3 4.2 F UNCTIONAL AREAS 4.3 B .................................3 UTTON DEFINITIONS 5.
1. Product Name and Model Number Smart LCD display for electric bicycle; Model: YL90T-H. 2. Specification ● 36V/48V/52V power supply ● Display rated current 15mA ● Display maximum current 30mA ● Shutdown leakage current <1uA ● Supplied current to the controller 50mA ●...
Page 5
Figure 3-2 Physical picture of the 90T control button Figure 3-3 90T Front View Dimension Figure 3-4 90T Side View Dimension...
4. Function overview and Functional areas 4.1 Functional overview The YL90T display offers a variety of features to suit your riding needs, including: ● Battery level indicator ● Pedal assist (PAS) level indicator ● Speed (current speed, maximum speed, average speed) ●...
5.2 Display interface switching When the display is powered on, it will show the Current Speed (km/h) and Odometer (km) by default. Short press to switch between Odometer (km), Trip Odometer(km), Maximum Speed (km/h), and Average Speed (km/h). Trip Odometer Odometer Average speed Maximum Speed...
5.3 Walk boost mode Long Press and hold , the electric bicycle enters the walk boost mode. The electric bicycle will walk at a fixed speed of 6 km per hour and the display shows . Release the button to stop the power output immediately and restore to the state before walk boost.
5.6 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. Full power Four bars power Three bars power...
When the display is ON and the speed shows 0, (1) Press and hold simultaneously for more than 2 seconds to enter the personalized parameter setting interface. (2) Press to toggle between the personalized parameter setting interface, and press to enter the parameter changing state.
6.3 PAS level setting P3 is the Pedal assist (PAS) level setting. The available Pedal assist level settings are: 0~3, 1~3, 0~5, 1~5, 1~7, 0~7, 0~9, 1~9. 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.
6.4 Wheel diameter setting P4 is the wheel diameter setting. The adjustable wheel diameter range is: 8~50inch. 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. Figure 6-5 Wheel diameter setting interface 6.5 Number of speed sensor magnets setting P5 is the speed sensor magnet number setting.
6.6 Speed Limit Setting P6 is the speed limit setting. The adjustable speed limit range is: 1~63km/h or 1~41km/h. (The maximum adjustable speed limit varies by different protocols) 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.
6.8 PAS sensor setting P8 is the PAS sensor setting. 6.8.1 PAS sensor direction setting run is the PAS sensor direction setting. run-F is front direction and run-b is opposite direction. Press to enter the parameter changing state. Press the to select the parameter and press to save the parameter setting and enter into 6.8.2 PAS sensor sensitivity setting interface.
6.8.2 PAS sensor sensitivity setting SCN is the PAS sensor sensitivity setting. The adjustable range is: 2-9. 2 is the highest level sensitivity while 9 is the lowest. Press the to select the parameter and press to save the parameter setting and enter into 6.8.3 PAS magnets number setting interface or long press to return to the personalized parameter setting interface.
6.9 Throttle setting P9 is the throttle setting. 6.9.1 Throttle 6KM/H walk boost setting HL is the throttle 6KM/H walk boost setting. HL-Y is to enable the walk boost and the speed will maintain at 6KM/H when using throttle. HL-Y is to disable the walk boost and it can reach the max speed when using throttle. Press the to select the HL-Y and press to save the parameter setting and return to the personalized...
6.9.2 Throttle level setting HF is the throttle Level setting. HF-Y is to enable the throttle level. When using the throttle, the max speed depends on the throttle level. (0~3, 1~3, 0~5, 1~5, 1~7, 0~7, 0~9, 1~9) HF-N is to disable the throttle level. The speed is independent with the throttle level and can reach the rated max speed.
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Press to enter the parameter changing state. Press the to select the parameter. PSd-y means the power-on password is activated while PSd-n is off. Press to confirm the mode and enter the state of setting the four digits power-on password or exit to the personalized parameter setting interface. Figure 6-14 Power-on Password OFF interface Figure 6-15 Power-on Password Activated interface In the password setting mode, the adjustable digit will flash.
6.11 Auto Sleep Time Setting Pb is the auto sleep time setting. To save the battery power and reach higher range, this display 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.
7. Shortcut operation 7.1 Restore factory settings operation dEF is the restore factory default parameter settings. dEF-Y is to restore the factory default settings, and dEF-N is not to restore. Enter into the main setting interface and keep the speed at 0, press and hold simultaneously for 2s to enter the restore factory default setting interface.
8. Quality Assurance and Warranty 8.1 Warranty info ● Yolin will offer a limited warranty for any failure caused by the product defects under normal use during the warranty period. ● The product is warranted for 12 months from the date out of factory.
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9. Wire connection diagram 9.1 Standard wire connection sequence Controller connector Display connector (Female terminal) Display connector (Male terminal) Figure 9-1 Wire Connection Diagram Table 9-1 Standard connector wire sequence table Standard Wire Sequence Standard wire color Function Red (VCC) Display power wire Blue (Kp) Controller power wire...
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Level selection 0-3/1-3 0-5/ 1-5 0-7/ 1-7 0-9/ 1-9 Tel: 022-86838795 Fax: 022-86838795 Email: yolin@yolintech.com Website: www.yolintech.com Address: Tianjin Beichen District, Tianjin Beichen Economic Development Zone, Medical Equipment Industrial Park, East of Jingfu Highway, Ugu New Science Park 52-1 plant...
Need help?
Do you have a question about the YL90T-H and is the answer not in the manual?
Questions and answers
Can i reset the power on password to factory ? When i start the display of says pb with 4 zero digits. And after a while the screen shuts off.
The manual does not provide instructions for resetting the power-on password to factory settings. However, it states that the default factory password is 1212. If the password has been changed and forgotten, there is no provided method to reset it.
This answer is automatically generated
Дисплей вимикається під час їзди через декілька хвилин.
Dobrý den, kde je možno zakoupit YL90T-H
hello, please help, I want to register this bike, I need a certificate for this rover, where can I find it?”