KT-LCD3 eBike Display

KT-LCD3 eBike Display User Manual

Version: V1.0

Thank you for purchasing KT-LCD3 instrument. Please read this
manual carefully before using the instrument. The manual will guide
you on how to use the instrument correctly to control the vehicle
and display vehicle status.

Functions and Display

The instrument has a body portion and operation buttons that are
designed separately.

2.1 Turning on Backlight and Headlights

To turn on backlight and headlights, hold the button long.
Repeat the same process to turn off the backlight and headlights.
(Note: The controller should have a headlight drive output
function)

2.2 Assist Ratio Gear (ASSIST) Switch

Press the button shortly to switch 1-5 file gear. Gear 1 is for
minimum power, and gear 5 is for the highest power. Each startup
will restore the last gear shutdown automatically (the user can set
randomly). Gear 0 is without booster function.

2.3 6Km/H Assist Promotion Function

Press the UP Button to start 6Km/H push power assist. Press the
SW Button to switch between metric (Km/H) and imperial (MPH) riding
speed. Press the DOWN Button to decrease the riding speed.

2.4 Cruise Function

To activate cruise function, hold down the button until it
starts flashing. The vehicle will drive at a speed not more than
6Km/h. To disable cruise function, press the button again.

2.5 Display and Delete of Single Data

After power on for 5 seconds, hold down both the button and the
button at the same time. The single trip riding time (TM) and
single trip distance (DST) will flash. Press the button shortly to
clear the content of both. If you fail to hold the button within 5
seconds, it will automatically return to the display interface
after 5 seconds, and the original content will be preserved.

2.6 Battery Capacity Indicator Display

The meter can automatically identify 24V, 36V, 48V battery
capacities when used with the specified controller. When the
battery capacity is over 70%, the four power displays of the meter
are lit. When the battery capacities drop, the four power displays
are turned off in order. When the power capacity is less than 15%,
all four power displays are turned off. When the controller is
powered off due to voltage shortage, the power display frame
flashes, indicating that the vehicle is in voltage shortage and
waiting for shutdown currently.

3. Display 2

Hold down the button shortly in display 1 to enter display 2.
Total trip time (TTM) and total distance (ODO), single average
speed (AVS), motor operating temperature, power display, motor
temperature in Fahrenheit, environment temperature in Celsius,
battery voltage, PAS level, and cruise will be displayed on this
screen.

Operations

1. ON/OFF

To turn on the power, hold down the button long. To turn off the
power, hold down the button long again. 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.

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KT-LCD3 eBike Display User Manual

V1.0

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 display.

Functions and Display

Instruments using the structure form of instrument body portion and the operation buttons are designed separately.

2.1 Turn on backlight and headlights

Hold

long to turn on backlight and headlights (the controller should have

headlight drive output function); hold headlights.

long again to turn off the backlight and

2.2 Assist ratio gear (ASSIST) switch

Hold

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

UP Button

6Km/H push power assist

SW Button

Km/H

Riding speed(metric)

DOWN Button

MPH

Riding speed (imperial)

Battery capacity indicator

MXS

Single maximum speed

Backlight and headlights

AVS

Single average speed

The brake display

Distance(metric)

TM 7
TTM

Single trip time Total trip time

Mil

DST

Distance (imperial) Trip distance

MOTOR W
8 MOTOR
MOTOR
9

Operation
1. ON/OFF

Power display Motor temperature Motor fahrenheit Environment temperature Environment fahrenheit

ODO
VOL
ASSIST 13
CRUISE

Total distance Battery voltage
Pas level Cruise

Hold

button long to turn on the power, and hold

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.

2.4 Cruise function

Hold Release

and flashes,the vehicle drives at the speed not more than 6Km /h. button,the function is invalid.

After the cruise function is turned on, the trip riding speed is greater than 7km/ h,

hold 2.5 Display and delete of single Data

long and enter cruise, the CRUISE lit. Brake or hold any button to cancel.

After power on for 5 seconds, hold

and

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.

2.6 Battery capacity indicator display

The meter can automatically identify 24V, 36V, 48V battery capacities when it is

supporting use with the specified controller. When the battery capacity is over 70%, the

four power displays of the meter are lit, when the battery capacities drop, the four power

displays are off in order, when the power capacity is less than 15%, the four power

displays are totally turned off. When the controller is power off due to voltage shortage, the power display frame flashes,

indicating the vehicle has been in voltage shortage and waiting for shutdown currently.

3. Display 2

Hold

button shortly in display 1 to enter display 2. Toal trip time (TTM) and

total distance (ODO), single average speed (AVS), motor operating temperature

(MOTOR ) are shown on display 2. In the riding mode after 5 seconds, display 2 automatically returns to display 1, and the originalmotor 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. Single maximum speed

(MXS), Real-time Voltage (VOL) are shown on display 3.

In the riding condition, 5 seconds later, a single maximum speed (MXS) display

automatically returns to the real riding speed (Km/H).

5. In display 3, hold

button shortly 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

01info

Throttle Abnormality

03info

Motor Hall Signal Abnormality

04info

Torque sensor Signal Abnormality

05info Axis speed sensor Abnormality(only applied to torque Sensor)

06info

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

2. Wheel diameter setting

After power on for 5 seconds, hold

and

at the same time, maximum

riding speed Km/H and MXS flash, hold

shortly to set the maximum riding

speed (default 25Km/H). Hold settings.

button shortly and go to the next parameter

The wheel diameter will be set after finishing setting the maximum riding speed,

wheel diameter specifications flashes. Hold

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

shortly and select the three metric units of speed, mileage, and

ambient temperature in synchronization.

Display Riding speed Total distance Environment temperature

Metric Km/H
Km temperature

Imperial MPH Mil
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 save the setting values, returning to display 1.

button long to exit from setting environment of routine projects and

5. Exit from routine project setting

All three routine project settings can exit from the setting environment and return to the display if hold long after each setting is completed, meanwhile the setting values are saved.

button

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

Prepared by Suzhou Kunteng Electronics Co., Ltd.