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AONIU M4

TF-100 Display User Manual

Operating instructions for the AONIU M4 electric scooter display.

ModelTF-100
Operating Voltage8-80 V Compatible
CommunicationUART
01Wiring
WireTerminalFunction
RedD+Positive power input
BlackGNDNegative power input / ground
BlueDSController electric-lock / ignition line
GreenRXCommunication receive
WhiteTXCommunication transmit
02Functions and Communication

The display shows speed, battery level, fault alerts, headlight status, cruise status, gear level, total mileage, trip mileage, real-time voltage, operating current, operating time, and start mode.

Startup sequence

When the display starts, the full screen illuminates and the software version appears within the first second.

03Display Overview
TF-100 electric scooter display overview
TF-100 battery level indicator

3.1 Battery Level (POWER)

Shows the current battery charge level.

TF-100 ODO and TRIP multifunction display

3.2 Multifunction Display

Cycles among ODO (total mileage), TRIP (trip mileage), V (real-time voltage), A (operating current), TIME (operating time), and E (fault code).

TF-100 fault warning indicator

3.3 Fault Indicator (E)

When the warning symbol flashes, briefly press the ON/OFF button until the E screen appears. The displayed number identifies the fault.

Fault Codes

CodeFault Description
ERROR 1Motor fault
ERROR 2Throttle fault
ERROR 3Controller fault
ERROR 4Brake cut-off lever fault
ERROR 5Undervoltage protection
ERROR 6Communication fault: the display is not receiving controller output
ERROR 7Communication fault: the controller is not receiving display output
TF-100 speed display with mile and km per hour units

3.4 Speed Display

Units: MPH or km/h. The controller sends the motor Hall-sensor signal to the display. Using the wheel diameter and signal data, including the number of motor magnets, the display calculates actual speed. A single Hall cycle is measured in 1 ms units.

TF-100 gear level indicator

3.5 Gear Level

Briefly press MODE to cycle through the gear levels. A higher gear allows a higher speed. The motor does not run in Gear 0.

04Lighting, Cruise, Start Mode, and USB
TF-100 headlight indicator

4.1 Headlight Indicator

Press and hold MODE to switch on the headlight. The headlight icon illuminates on the display.

TF-100 cruise indicator

4.2 Cruise Indicator

While the motor is running, hold the throttle steady for 5 seconds. The cruise icon illuminates. Release the throttle and the scooter maintains the current speed. Apply the brake, or operate and release the throttle again, to exit cruise mode.

TF-100 start mode indicators

4.3 Start Mode

NON illuminated: non-zero start (kick-start). ZERO illuminated: zero start.

TF-100 USB charging indicator

4.4 USB Charging Indicator

The USB icon illuminates when a cable is connected and the device draws more than 100 mA. A flashing icon indicates intermittent charging or a load above 1,000 mA; the USB port then activates protection mode.

05Parameter Settings
Safety notice

Do not change a parameter unless you understand how it affects the scooter. Incorrect settings may affect speed display, motor behavior, or riding safety.

CodeSettingOptions / OperationDefault
P02Mileage unit0: MPH; 1: MILE-
P03Voltage level24 V / 36 V / 48 V48 V
P04Auto-sleep time0: disabled; 1-60 minutes5
P06Wheel diameterInches; 0.1-inch precision10.0
P07Speed-sensor magnets1-10030
P09Start mode0: zero start; 1: non-zero start0
P12Starting torque0-5 (0 weakest; 5 strongest)5
P15Motor drive signal percentageUsed for the P08 speed-limit function; full speed = 100100
P16Real-time cruise function1: enabled; 0: disabled0
P99One-touch resetOn the P99 screen, hold MODE for 5-6 seconds to restore the initial factory settings00000
d0Clear ODO mileageOn the ODO screen, briefly press MODE, then hold it for 5-6 seconds until the value becomes zero00000
06Button Operation
TF-100 Power button

Power On / Off

Press and hold the Power button to turn the display on or off.

TF-100 Power buttonTF-100 Mode button

Enter Parameter Settings

With the display on, press and hold the Power and MODE buttons at the same time.

TF-100 Mode button

Adjust and Save

In the settings screen, briefly press the Power button to cycle through parameter codes. Briefly press MODE to change the selected value. Hold MODE for 3 seconds to confirm. After all changes are complete, press and hold Power and MODE together to exit. Turn the display off and restart it to apply the changes.

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Aoniu M4 LCD Display replacement works as genuine parts

$48.00

This part can not be returned

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