Display T154
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Smart E-bike
Display
User guide
Model: T154-1/2/3
Display T154
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Catalog
1 About the Manual .................................................................................................................................... 3
2 Technical Parameters .............................................................................................................................. 4
3 Installation Instruction ............................................................................................................................ 4
4 Features ................................................................................................................................................... 5
5 Display Interface ...................................................................................................................................... 5
➢ Working Screen interface ..................................................................................................................... 5
➢ Test Screen interface ........................................................................................................................... 6
➢ About & Demo Screen interface .......................................................................................................... 7
6 Normal Operation .................................................................................................................................... 7
➢ Power On .............................................................................................................................................. 7
➢ PAS Level change .................................................................................................................................. 7
➢ Display interface switch ....................................................................................................................... 7
➢ Cruise On/Off ....................................................................................................................................... 7
➢ Light On/off .......................................................................................................................................... 8
➢ Power Off ............................................................................................................................................. 8
7 Display Copy ............................................................................................................................................ 8
8 What is the Setting Synchro .................................................................................................................... 8
9 DEBUG APP .............................................................................................................................................. 9
10 Colorful Picture Load APP ................................................................................................................. 9
11 Quality assurance and Warranty scope ............................................................................................. 10
12 Appendix A (Menu) ............................................................................................................................ 11
13 Appendix B (Warning message) ......................................................................................................... 14
14 Appendix C (Error message) ............................................................................................................... 15
15 Appendix D (How To Enter Demo Mode) .......................................................................................... 17
16 Appendix E (FAQ) ............................................................................................................................... 18
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1 About the Manual
★ This manual contains important safety, performance. Read it carefully and completely
before taking the first ride.
★ This manual is based on the general purpose. some of the content may not be applicable
due to software updates or customization.
★ Important safety instructions:
Do not try to connect with E-bike controller which is incompatible with this display,
otherwise , will damage the display or controller.
★ Shut the battery off on time and stop the bike if some ERROR info show on screen.
★ The copyright of all the APPs related with display are belong to us, get permission
from us first before running these APPs, Any damage caused by the use of illegal
APPs will out of warranty.
★ There have 3 sub models for T154 series display , T154-1 ,T154-2, T154-3; all the functions is similiar
except the screen interface ;
T154-1 T154-2 T154-3
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2 Technical Parameters
◆ Power: 24 - 48VDC /10 ma
◆ Screen: 1.54” Colorful TFT
◆ Button: Transparent silicon rubber
with LED Backlight
◆ Fix Position: Left or right of handlebar
◆ Communication: UART/TS232/CAN
◆ Material: ABS
◆ Ingress Protection: IP64
◆ Customization :Valiable
◆ Size:
3 Installation Instruction
The display can be fixed either left or right on the handlebar of bike.
Check the FIX POSITION menu item first (see 8. Setting menu), change this setting according to the position you
want to fix ; adjust to an appropriate visual angle. Tighten all the connectors. And connect it with controller.
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4 Features
TFT-154 is a centre control panel with a TFT colorful screen for ebike , transparent silicon
rubber button with LED back-light, GUI interface ,digital communicating interface . 3 font color
solution and 3 colorful skins are presented, a built-in light sensor and auto adjust the screen back
light , and power on or off the light according to ambient intensity;.
Plenty setting menu items are available for users to set the parameters for different application.
Different screens can be switched by pressing button to check the info come from E-bike, such
as below:
◆ Speed (Real-time speed, Average speed and Max speed)
◆ PAS Level.
◆ Battery Voltage and Battery Capacity.
◆ Trip, ODO, and the Accumulative energy consumption.
◆ Real time Current and Power.
◆ Motor Speed.
◆ Temperature.
◆ PAS speed.
◆ Throttle real time voltage
◆ Working status such as brake, gear sensor, speed sensor ,Hall sensor or motor .Light
◆ Warning and Error info
◆ Ambient Light Sensor
5 Display Interface
➢ Working Screen interface
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Different Information box such as ODO,
TRIP, Max speed , Average speed , and
Test sub screen and About sub screen can
be show after short press <POWOER >
button.
➢ Test Screen interface
These messages show on screen can assist user to check the status of all the electric devices connected with
E-bike. And it also can change the main working skin or color of the text
Switched the sub screen by POWER button, Turn back to main working screen by UP button
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➢ About & Demo Screen interface
About Screen -- It can Show Product info Switched the sub screen by POWER button, turn back to main
working screen by DOWN button;
Demo Screen – at this screen ,all the features can be demonstrated and show on screen , this function
is very useful for user to understand quickly how to operate and how many info can be showed on screen;
Also can enter this screen when seller take part in some shows , it can make visitor understanding display
easily within a short time;
Notice :
There have another way to enter Demo Screen (see <15 Appendix D (How To Enter Demo Mode> )
6 Normal Operation
➢ Power On
Long press the Power button 3 seconds to turn on the display released button till screen start to show;
long press POWER and UP button if you want to Enter Menu setting interface , , if not , it will auto enter
working interface after 3 seconds
➢ PAS Level change
Press UP or DOWN button can change the PAS level, bike will stop if Level come to Zero;
Notice: at test or about screen, Press UP or DOWN button will never change level value , only enter or exit
test or about screen
➢ Display interface switch
Press POWER button can switch Display interface
➢ Cruise On/Off
Long press DOWN button, system will start 6km/h walk assist function when bike is IDEL, stop 6km/h walk assist
function when released the DOWN button
Long press DOWN button when bike is moving with more than cruise started limited speed (see menu item)
system will start cruise , cruise will stop when rider press any key on display or take brake or throttle or PAS
changed;
Notice: at about screen, Press DOWN button will never start cruise function
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➢ Light On/off
Long press UP button, turn the light on, the LIGHT indicator will blink, Long press again, turn the light off;
Notice: Long press UP button cant turn-on or off the light if auto light menu item set as AUTO
at Test screen, Press UP button cant turn-on or off the light
➢ Power Off
Long press the Power button 3 seconds to turn on the display, display will shut the power off.
Notice: Display will automatically shut the power off when bike is idle for some minutes,;
FOR YOUR SAFETY, SHUT THE BATTERY OFF WHEN POWER THE DISPLAY OFF.
7 Display Copy
This is a quick and efficient way when user want to transfer the settings from Display A to Display B.
Before start, user should build a cable (COPY CABLE) or buy one from us . the cable as below:
(Copy Cable)
step 1: Connecting both the 2 displays with COPY CABLE
Step 2: Connecting the COPY CABLE with 24v or 36v or 48v battery or other power supply
Step 3: Power on display A or display B, some guide message will show on screen, follow it as the guide.
Step 4: Long press DOWN button will receive settings from other, Long press UP will send settings to other
8 What is the Setting Synchro
There are 2 same copies of key bike settings stored in controller and display memory, controller and display
will automatically verify each other on power period, if the key bike settings are different, controller or
display will start a process to exchange parameters.
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Setting Synchro：Controller
Controller will send bike settings to display
Setting Synchro：Display
Display will send bike settings to controller
Setting Synchro：Display Once
Display will send bike settings to controller only once
9 DEBUG APP
For some professional users, they can download an APP from our website, get permission from us firstly before run
this APP,
User can rest all the settings related with the display include color of screen or font
Notice: The copy right of this APP is belong to us , user should get permissions from us before run
this APP. Otherwise, maybe some unpredictable problems will happen on the display ;
10 Colorful Picture Load APP
There have 2 default pictures can be shown when display power-on or off , User can load some
personalized pictures to replace these original pictures by this APP;;
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11 Quality assurance and Warranty scope
◆ The warranty time is 18 months from the shipping time.
◆ Responsible for all problems arising during normal operation that are caused by a quality defect.
◆ The following will either void or fall outside the scope of the warranty
➢ If the display is disassembled
➢ Damage due to incorrect installation or operations
➢ Housing or cable is broken
➢ Outside of the warranty period
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12 Appendix A (Menu)
This is a full menu item table preset in the display , some of the menu items may not be applicable due to
software updates or customization;
Notice: incorrect set will cause system can’t work, you can select DEFAULT menu item to restore all the setting;
Main Menu
Menu Item
Value range
Default
Remark
Normal
Wheel Size
4”—30”
26”
Define the size of wheel
Unit
Metric, British
Metric
Speed measurement unit
Fix Postion
Right, Left
Left
Accord to fix position on handle
bar
Riding Mode
Smooth, Sport,
Extreme
Smooth
Ride mode
Auto Light
Disable , Enable
Disable
Need extra hardware
Max Speed
10km/h-40km/h
25km/h
Max speed of bike
Max Push Speed
4km/h-10km/h
6km/h
The max walk assist speed
Password
Disable ,PowerON
,Menu Only
Menu Only
SpeedAutoTrace
Disable, Enable
Disable
Auto Trace the speed
Auto Power Off Time
5-20Minutes
5 Warning Mode
Disable, Enable
Enable
Warning message show
Display Copy
Slave, Master,
Demo ,Client
Slave
See 8. Display copy
Demo- display will enter demo
mode when power on first
Client – Receiving all the settings
and picture from server display
Synchro Mode
Controller, Display,
Display Once
Controller
See 9 whats the Setting
Synchro mode
Max Current
5-50A
15A
AtuoBackLight
10-80
35
0- Auto adjust the brightness
of screen according to the
light sensor
>0 Set the brightness of
screen as this value
Battery
Voltage
24V,36V,48V. or
others
36V
nominal voltage of battery
Empty
These
settings are
related with the
35V 20%Cap
37.3V
40%Cap
37.9V
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60%Cap
battery equipped
on bike;
38.7V
80%Cap
40V Full
42V
Controller
Max Current
10A-30A
15A Low Cut Voltage
18V-50V
34V TEMP Sensor
Disable, Enable
Disable
Motor
Motor Hall
Hall Less,Hall
Motor Gear
Gear Less, Gear
Pole Pairs
Reduction Ratio
Speed Sensor
0-60
0
The speed sensor built-in motor
0-No speed sensor inside the
motor
1-60, the number of signals when
motor rotate one circle
TEMP Sensor
Disable, Enable
Disable
Display
Enable
Disable, Enable
Enable
Level Count
3-6 5
Auto Level
Disable, Enable
Disable
Invalid
Level1_Speed
5-40km/h
10 km/h
Limit the speed according to the
PAS Level
Level2_Speed
5-40km/h
15 km/h
Level3_Speed
5-40km/h
18 km/h
Level4_Speed
5-40km/h
20 km/h
Level5_Speed
5-40km/h
25 km/h
Level6_Speed
5-40km/h
30 km/h
PAS
Sensor
Enable
Disable, Enable
Enable
Magic Count
4-64
24 Direction
Auto , Low , High
Max Speed
10-300RPM
Start Count
1-50
Throttle
Driving Mode
Disable, Enable
Enable
Mini Voltage
500mv – 3500mv
1300mv
Max Voltage
500mv – 3500mv
3300mv
Accessory
Braking Type
Low, High
Low
Speed Sensor
0-60
0-No speed sensor
1-60, the number of signals per
circle
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Shit sensor
Disable, Enable
Disable
Screen
Warning Show
Disable, Enable
Enable
Enable or disable the message
box show
Trip
Disable, Enable
Enable
Timer
Disable, Enable
Enable
Max Speed
Disable, Enable
Enable
AVG Speed
Disable, Enable
Enable
Bat Capacity
Disable, Enable
Enable
Test
Disable, Enable
Enable
About
Disable, Enable
Enable
Controller Test
Disable, Enable
Enable
Motor Test
Disable, Enable
Enable
Battery Test
Disable, Enable
Enable
Throttle &PAS Test
Disable, Enable
Enable
Accessory test
Disable, Enable
Enable
Temperature
Disable, Enable
Disable
Light Sensor
Disable, Enable
Disable
Screen & Color
Disable, Enable
Enable
Default
Restore the default settings
SAVE
Save all setting to display
ABOUT
Show serial number
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13 Appendix B (Warning message)
These message will blink show on screen when warning event happen, users can cancel it by press any
button
Lose communication
between display and
controller
Solution: Check the
communication cable
between display and
controller
Current is above the
limited value. Usually
at the start-up stage
when drive bike with
throttle only.
Solution:
Pedal bike first and
use throttle after bike
moving
Battery is empty
Voltage is low than
limited value.
Solution: recharge
the battery
The speed sensor is
broken
Solution: change a
new one or enter
menu and set the
motor speed senor or
extra speed sensor
value to 0
Hall inside the
motor is broken
Notice: System can
auto switch to no
hall mode to drive
motor if controller
is on double mode.
Temperature is above
the limited value
Temperature is
above the limited
value
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14 Appendix C (Error message)
Bike will stop work if these kind of errors happen, the icons show on screen can help users to find the
common faults out.
It means communication protocol, between controller and display is different.
you can check the version num at <About screen interface> ,and must make sure
the version num of display is same as controller, otherwise , system will not work.
More info contact servicer.
System will auto verify the parameters which stored in display and controller
memory. If the parameters are different, system will create a synchro process,
system will verify again after this process, this error will show if verify process
failed.
Solution: check the communication cable and power on again
It means there have a short circuit problem in the controller.
user should stop using bike and power off the battery immediately
It means the controller memory is fail
Solution: change a new controller
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It means the display memory is fail
Solution: change a new display
there have 3 possibilities if this error happened
1. User grip the throttle during on power-on period ,
2. Throttle or the interface on controller are broken
It means phase cable is disconnected
There have short circuit problem in the motor or the current is too bigger when start-
up a motor
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15 Appendix D (How To Enter Demo Mode)
Demo mode can show all the performance and characteristic of the display and help user to understand how its
working, there have 2 way to enter this mode;
1. Enter demo mode when power-on
Step1: enter menu
Step2: Select menu item NORMAL
Step3: Select submenu item DISPLAY COPY
Step4: Change this item value to DEMO
Step4: Save settings and power off
2. Enter demo mode at working interface
Step1: press power button till the symbol as below appeared
Step2 Press DOWN button
Step3 Press POWER button
Press any key can exit DEMO mode
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16 Appendix E (FAQ)
Q：Why can not turn on the display even press the POWR button with long time?
A：Make sure battery is power on , then check the cable is well connected with the controller.
Q：How to deal with ERROR message ?
A：Power off the system and try to Contact the e-bike maintenance station in time.
Q: Why system can not work after changing some settings?
A: Enter Menu and select the DEFAULT item , then will restore factory settings;
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