Suzhou Kunteng Electronics KT-LCD3 User manual

KT-LCD3 e-Bike Display User Manual V3.0
Dear customer, please read this manual before you use KT-LCD3 instrument. The manual will guide
you use the instrument correctly to achieve a variety of vehicle control and vehicle status displays.
Functions and Display
Instruments using the structure form of instrument body portion and the operation buttons are
designed separately.
1
UP button
10
6KM/H push power assist
2
SW button
11
KM/H
Riding speed(metric)
3
DOWN button
MPH
Riding speed (imperial)
4
Battery capacity indicator
MXS
MAX speed
5
Backlight and headlights
AVS
Average speed
6
The brake display
12
Km
Distance(metric)
7
TM
Single trip time
Mil
Distance (imperial)
TTM
Total trip time
DST
Trip distance
8
MOTOR W
Power display
ODO
Total distance
MOTOR ℃
Motor temperature
VOL
Battery voltage
MOTOR ℉
Motor Fahrenheit
13
ASSIST
Pas level
9
℃
Environment temperature
CRUISE
Cruise function
℉
Environment Fahrenheit
Operation
1. ON/OFF
Hold button long to turn on the power, and hold button long for a second time to turn
off the power. When the motor stops driving and when the e-bike is not used for a consecutive 5
minutes, it will automatically shut down and turn off the motor power supply.
2. Display 1
Hold button to start up and enter display 1.
2.1 Turn on backlight and headlights
Hold button long to turn on backlight and headlights (the
controller should have headlight drive output function); hold button
long again to turn off the backlight and headlights.
2.2 Assist ratio gear (ASSIST) switch
Hold or button shortly to switch 1-5 file gear. Gear 1 is for
the minimum power, gear 5 is for the highest power. Each startup will
automatically restore the gear shutdown last time (the user can set
randomly). Gear 0 is without booster function.
2.3 6KM/H assist promotion function
Hold button and flashes, the vehicle drives at the speed not
more than 6Km /h. Release button, the function is invalid.
2.4 Cruise function
After the cruise function is turned on, the trip riding speed is greater
than 7 km/ h, hold button long and enter cruise, the CRUISE lit. Brake
or hold any button to cancel.
2.5 Display and delete of single data
After power on for 5 seconds, hold and button at the
same time, single trip riding time (TM) and single trip distance (DST) flash,
hold button shortly, the content of both is cleared. If failed holding
the button within 5 seconds, it will automatically return the display interface after 5 seconds, original
content is preserved.
3. Display 2
Hold button shortly in display 1 to enter display 2.
In the riding mode after 5 seconds, display 2 automatically returns to display 1, and the original
motor power (MOTOR W) display is replaced with motor operating temperature display (MOTOR ℃)

display (the internal motor should be equipped with the temperature sensor and the output of
temperature detection signal).
4. Display 3
Hold button shortly in display 2 to enter display 3.
In the riding condition, five seconds later, a single maximum speed (MXS) display automatically
returns to the real riding speed (KM/H).
5. In display 3, hold button shortly (SW),and the display will re-enter display 1.
6. Hold button to turn off the display and the power supply of controller.
7. Automatically prompt interface
7.1 Error Code Display Error Code Definition
01＿info Throttle Abnormality
03＿info Motor hall signal Abnormality
04＿info Torque sensor signal Abnormality
05＿info Axis speed sensor Abnormality(only applied to torque
sensor)
06＿info Motor or controller has short circuit Abnormality
Electronic control system failure will display (flashing) fault code. Once the fault was removed, it
automatically exits from the fault code display interface.
7.2 Motor temperature alarm
When the motor temperature (the internal motor should be equipped with the temperature sensor
and the output of temperature detection signal) is over the warning value, MOTOR ℃(℉) flashes to
alarm at any display, meanwhile the motor controller will offer the appropriate protection to motor.
General Project Setting
1. Set maximum riding speed
After power on for 5 seconds, hold and button at the
same time, maximum riding speed KM/H and MXS flash, hold or
button shortly to set the maximum riding speed (default 25KM/H).
Hold button shortly and go to the next parameter settings.
2. Wheel diameter setting
The wheel diameter will be set after finishing setting the maximum riding speed, wheel diameter
specifications flashes. Hold or button shortly to set the specifications of wheel diameter.
Select the range 6,8,10,12,14,16,18,20,22,24,26,700c and 28 inches. Hold
button shortly and go to the next parameter settings.
3. Set the metric units
The metric units will be set after finishing setting wheel diameter,
KM/H and Km flash. Hold or button shortly and select the
three metric units of speed, mileage, and ambient temperature in
synchronization.
Display
Metric
Imperial
Riding speed
KM/H
MPH
Total distance
Km
Mil
Environment temperature
℃Temperature
℉Fahrenheit
4. KM/H and Km stop flash after metric unit setting is completed. Hold button shortly again to
re-enter the maximum riding speed setting interface; or hold button long to exit from setting
environment of routine projects and save the setting values, returning to display 1.
5. Exit from routine project setting
All three routine project settings can exit from the setting environment and return to the display
if hold button long after each setting is completed, meanwhile the setting values are saved.
Under each setting interface, if the button failed holding for more than 1 minute, it will
automatically return to display 1, and the setting value is invalid.
Outline Drawings and Dimensions
1. Dimensions of main instrument body 2. Mounting dimensions of double brackets
3. Dimensions of button box 4. Wiring diagram