AKEZ Ebikes 52V display

Product Description:

Specifications and Parameters:

Rated Voltage:36V/48V;
Rated Current:50mA;
Maximum Current:≤70mA;
Shutdown Leakage Current＜1uA;
Controller Operating Current Supply:25mA;
Operating Temperature: -20～60℃± 5℃;
Storage Temperature: -20～70℃± 5℃;
Waterproof Rating:IP65;
Storage Environment Humidity: 30%-70%.

Functional Overview：

Intelligent power display.
Pedal-assist gear adjustment and indication.
Speed display (including real-time trip speed).
Motor power display (digital and graphical).
Distance display (single trip and total mileage).
Pedal-assist push mode control and display.
Headlight switch control and indication.
Left and right turn signal display.
Bluetooth connection display.
Battery information display.
TYPE-C charging function with maximum charging current of 500mA

(varies with key type)

Meter Installation：

Attach the meter handlebar clamp to a suitable operating position on the handlebar. Adjust the angle of the auxiliary switch to ensure it is easily visible and convenient to operate while riding. (Applicable for handlebars with an outer diameter of φ22.2mm to Φ31.8mm).

Secure and tighten the handlebar fixing screws using an inner hex wrench (inner hexM4*12 stainless steel GB/T 70.1-2008). Tightening torque: 1N.m.

Install the meter button clamp onto the handlebar at an appropriate operating position. Adjust the angle of the auxiliary switch to ensure it is easily visible and convenient to operate while riding. (Applicable for handlebars with an outer diameter ofΦ2mm).

Normal Display Area:

Left and Right Turn Signal Display: Icons are displayed when the left or right turn signals are activated;
Real-Time Speed Display: Displays the current real-time speed value along with a progress bar;
Power Display: Displays the real-time motor power output；
Gear Display: Displays the current pedal-assist gear, ranging from 0 to 5;
Bluetooth Display: The Bluetooth icon is displayed upon successful Bluetooth connection;
Headlight Display: When the headlight is turned on, the headlight icon is displayed;
Brake Display: The activation of the brake displays the brake icon;
Pedal-Assist Push Display: When the Push-Assist mode is activated, the corresponding push-assist icon will be displayed;
Controller Temperature Display: Displays the real-time operating temperature of the controller;
Single Trip Distance Display: Displays the distance traveled during a single trip;
Voltage Display: Displays the current voltage;
Total Mileage Display: Shows the cumulative total mileage of the ride;
Riding Time Display: Displays the current real-time riding duration;
Battery Display: Indicates the remaining battery level during the current ride.

Button Definitions：

The TC640 meter includes six buttons: “Power”,“i”,“＜”,“＞”,“︿”,“﹀”.

General Operations：

Replace “Press the Button for＞2S”with the term “Long Press”,and “Press the Button for ＜0.5S” with the term “Short Press”.

Power On/Off Selection：

After a long press of the “Power” button, the meter initiates operation and supplies working power to the controller.

Pedal-Assist Gear Selection：

After powering on, short press the“︿”or“﹀”to switch the pedal-assist levels, thereby adjusting the motor’s output power. The meter supports assist levels ranging from 0 to 5, with the default level set to 1 upon startup.

Pedal-Assist Gear Selection Interface

Pedal-Assist Push Mode

After powering on, press and hold the“︿”button without releasing it. The screen will display a flashing push-assist icon, indicating that the push-assist mode has been activated. Release the button to exit the push-assist mode; the icon will disappear, and the display will revert to the previous assist level.

Pedal-Assist Push Display Interface

Headlight Mode：

Turning On the Headlight: When the headlight is off, long press the“︿”button. The screen will display the headlight icon“”, and the controller will be notified to turn on the headlight.

Turning Off the Headlight: When the headlight is on, long press the“︿”button. The headlight icon on the screen will disappear, and the controller will be notified to turn off the headlight.

Headlight Mode Interface

Main Interface Display Mode Switching：

While the device is powered on, short press the“i”button to switch the main interface display mode.

Main Interface Display Mode Switching

Battery Level Display：

The battery level is displayed as an actual percentage. When the battery is fully charged, it shows 100%. The battery level is displayed as follows:

Battery Level Display

Information Viewing and Settings

Simultaneously long press the“︿”and“﹀” buttons to access the settings menu. Use a short press of the“︿”or“﹀”buttons to navigate through the settings options（“Wheel”、“Info”、“Brightness”、“SpeedLimit”、“Uint”、“StandBy” ）Short press the “Power” button to enter settings menu. Adjust the parameters using the“︿”or“﹀”buttons, and short press the ‘Power’ button to exit and save the current settings. To exit the settings menu, simultaneously long press the“︿”and“﹀”buttons again.

Settings Items	Setting Parameters Definition	Settings Menu Interface Contents	Parameter Values Definition	Notes and Instructions
Wheel	Wheel Diameter Setting			26
Info	Information View		Maximum Speed Average Speed Torque Cadence Running Time
Brightness	Backlight Brightness Setting		1.Backlight Intensity 5% 2.Backlight Intensity 30% 3.Backlight Intensity 60% 4.Backlight Intensity 100%	Default Value 100%
SpeedLimit	Speed Limit Setting
Uint	Unit Setting		Metric Imperial
StandBy	Standby Duration

Fault Display：

1：Error Display – When a communication protocol failure occurs, the error code and the corresponding cause of the error are displayed for diagnosis.

Fault Code Definitions：

The definitions of fault codes for the CAN communication protocol are as follows:

No.	Status Data	Error Name	Associated Components	Phenomenon	Reference Solution Suggestions
1	04	Throttle Ground Wire Not Connected	Throttle, Controller	Throttle is non-functional, motor cannot drive	1. Check if throttle status is abnormal. 2. Check wiring connections and ensure proper connection. 3.Replace the throttle and confirm if it is abnormal. 4.Replace the controller and confirm if it is abnormal.
2	05	Throttle Not Reset	Throttle, Controller	Throttle is non-functional, motor cannot drive	1. Check if throttle status is abnormal. 2. Check wiring connections and ensure proper connection. 3.Replace the throttle and confirm if it is abnormal. 4.Replace the controller and confirm if it is abnormal.
3	06	Undervoltage	Battery, Controller	Motor cannot drive	1. Check if battery status is abnormal. 2. Charge the battery to restore normal voltage. 3. Check wiring connections and ensure proper connection. 4. Replace the battery and confirm if it is abnormal. 5. Replace the controller and confirm if it is abnormal.
4	07	Overvoltage	Battery, Controller	Motor cannot drive	1. Check if battery status is abnormal. 2. Discharge the battery to restore normal voltage. 3. Check wiring connections and ensure proper connection. 4. Replace the battery and confirm if it is abnormal. 5. Replace the controller and confirm if it is abnormal.
5	08	Motor Hall Line Not Connected	Battery, Controller	Motor cannot drive	1. Check if motor status is abnormal. 2. Check wiring connections and ensure proper connection. 3. Replace the motor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
6	10	Motor Overheating	Motor, Controller	Motor cannot drive	1. Check if the motor status is abnormal. 2. Wait for the motor to cool down. 3. Check wiring connections and ensure proper connection. 4. Replace the motor and confirm if it is abnormal. 5. Replace the controller and confirm if it is abnormal.
7	11	Motor Temperature Sensor Malfunction	Motor, Controller	Unable to display motor temperature	1. Check if the motor status is abnormal. 2. Check wiring connections and ensure proper connection. 3. Replace the motor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
8	12	Bus Current Offset Malfunction	Controller	Motor cannot drive	1. Replace the controller and confirm if it is abnormal.
9	14	Controller Overheating	Controller	Motor cannot drive	1. Check if the controller status is abnormal. 2. Wait for the controller to cool down. 3. Replace the controller and confirm if it is abnormal.
10	15	Controller Temperature Sensor Malfunction	Controller	Unable to display controller temperature	1. Replace the controller and confirm if it is abnormal.
11	21	Speed Sensor Malfunction	Controller, Speed Sensor	Unable to display speed	1. Check if the speed sensor status is abnormal. 2. Check wiring connections and ensure proper connection. 3. Replace the speed sensor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
12	25	Torque Sensor Malfunction	Controller, Torque Sensor	No torque assistance	1. Check if the torque sensor status is abnormal. 2. Check wiring connections and ensure proper connection. 3. Replace the torque sensor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
13	26	Cadence Sensor Malfunction	Controller, Cadence Sensor	No cadence assistance	1. Check if the cadence sensor status is abnormal. 2. Check wiring connections and ensure proper connection. 3. Replace the cadence sensor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
14	27	Overcurrent	Controller	Motor cannot drive	1. Replace the controller and confirm if it is abnormal.
15	30	Meter Communication Failure	Meter, Controller	Meter cannot display data	1. Check wiring connections and ensure proper connection. 2. Replace the meter and confirm if it is abnormal. 3. Replace the controller and confirm if it is abnormal.
16	35	Brake Lever Not Reset	Controller, Brake Lever	Motor cannot drive	1. Check if the brake lever status is abnormal. 2. Check wiring connections and ensure proper connection. 3. Replace the brake lever and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
17	36	Invalid Key Line Voltage	Controller, Meter	Motor cannot drive	1. Check if the button and meter status are abnormal. 2. Check wiring connections and ensure proper connection. 3. Replace the meter and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
18	38	Motor Stalling	Controller, Motor	Motor cannot drive	1. Check if the motor status is abnormal. 2. Check wiring connections and ensure proper connection. 3. Replace the motor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
19	39	Light Sensing Function Malfunction	Meter	Abnormal light sensing signal	1. Replace the meter and confirm if it is abnormal. 2. Replace the controller and confirm if it is abnormal.
20	40	Battery AFE Not Connected	Battery	No battery voltage	1. Replace the battery and confirm if it is abnormal.
21	41	Battery Overvoltage	Battery	Battery voltage too high	1. Replace the battery and confirm if it is abnormal. 2. Discharge the battery to restore normal voltage.
22	42	Battery Undervoltage	Battery	No battery voltage	1. Replace the battery and confirm if it is abnormal. 2. Charge the battery to restore normal voltage.
23	43	Battery Overcurrent	Battery	No battery voltage	1. Replace the battery and confirm if it is abnormal.
24	44	Battery Cell Overvoltage	Battery	No battery voltage	1. Replace the battery and confirm if it is abnormal.
25	45	Battery Overheating	Battery	No battery voltage	1. Let the battery sit until its temperature returns to normal. 2. Replace the battery and confirm if it is abnormal.
26	46	Battery Low Temperature	Battery	No battery voltage	1. Let the battery sit until its temperature returns to normal. 2. Replace the battery and confirm if it is abnormal.
27	49	Battery Cell Undervoltage	Battery	No battery voltage	1. Replace the battery and confirm if it is abnormal.
28	4A	Battery Short Circuit	Battery	No battery voltage	1. Check the vehicle’s wiring connections and ensure proper connection. 2. Replace the battery and confirm if it is abnormal.
29	4B	Abnormal Internal Battery Temperature Difference	Battery	No battery voltage	1. Replace the battery and confirm if it is abnormal.
30	4C	Abnormal Voltage Difference Between Battery Cells	Battery	No battery voltage	1. Replace the battery and confirm if it is abnormal.
31	70	Lighting Module Overheating	Lighting Module	Lights cannot turn on	1. Let the lighting module cool down to normal temperature. 2. Replace the lighting module and confirm if it is abnormal.
32	71	Lighting Module First DC Line Low Voltage	Lighting Module	Lights cannot turn on	1. Check the vehicle wiring and ensure proper connection. 2. Replace the lighting module and confirm if it is abnormal.
33	72	Lighting Module Second DC Line Low Voltage	Lighting Module	Lights cannot turn on	1. Check the vehicle wiring and ensure proper connection. 2. Replace the lighting module and confirm if it is abnormal.
34	73	Lighting Module Third DC Line Low Voltage	Lighting Module	Lights cannot turn on	1. Check the vehicle wiring and ensure proper connection. 2. Replace the lighting module and confirm if it is abnormal.
35	74	Lighting Module First DC Line Overcurrent	Lighting Module	Lights cannot turn on	1. Check the vehicle wiring and ensure proper connection. 2. Replace the lighting module and confirm if it is abnormal.
36	75	Lighting Module Second DC Line Overcurrent	Lighting Module	Lights cannot turn on	1. Check the vehicle wiring and ensure proper connection. 2. Replace the lighting module and confirm if it is abnormal.
37	76	Lighting Module Third DC Line Overcurrent	Lighting Module	Lights cannot turn on	1. Check the vehicle wiring and ensure proper connection. 2. Replace the lighting module and confirm if it is abnormal.
38	77	No Feedback When Electronic Lock is Enabled	Lighting Module	Electronic lock malfunction	1. Check the vehicle wiring and ensure proper connection. 2. Replace the electronic lock and confirm if it is abnormal. 3. Replace the lighting module and confirm if it is abnormal.
39	78	No Feedback When Electronic Lock is Disabled	Lighting Module	Electronic lock malfunction	1. Check the vehicle wiring and ensure proper connection. 2. Replace the electronic lock and confirm if it is abnormal. 3. Replace the lighting module and confirm if it is abnormal.
40	80	Power Button Malfunction	Button Module	Power button does not work	1. Check the button status and ensure it is not abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the button module and confirm if it is abnormal.
41	81	Up Button Malfunction	Button Module	Up button not working	1. Check if the button status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the button module and confirm if it is abnormal.
42	82	Down Button Malfunction	Button Module	Down button not working	1. Check if the button status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the button module and confirm if it is abnormal.
43	83	Left Button Malfunction	Button Module	Left button not working	1. Check if the button status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the button module and confirm if it is abnormal.
44	84	Right Button Malfunction	Button Module	Right button not working	1. Check if the button status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the button module and confirm if it is abnormal.
45	85	Menu Button Malfunction	Button Module	Menu button not working	1. Check if the button status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the button module and confirm if it is abnormal.

The definitions of fault codes for the UART communication protocol are as follows:

No.	Status Data	Error Name	Associated Components	Phenomenon	Reference Solution Suggestions
1	101	Brake Lever Not Reset on Power-Up	Controller, Brake Lever	Motor cannot drive	1. Check if the brake lever status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the brake lever and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
2	102	Throttle Not Reset on Power-Up	Throttle, Controller	Throttle is non-functional, motor cannot drive	1. Check if the throttle status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the throttle and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
3	103	Throttle Ground Wire Disconnected	Throttle, Controller	Throttle is non-functional, motor cannot drive	1. Check if the throttle status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the throttle and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
4	105	Speed Sensor Malfunction	Controller, Speed Sensor	Unable to display speed	1. Check if the speed sensor status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the speed sensor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
5	24	Controller Overcurrent	Controller	Motor cannot drive	1. Replace the controller and confirm if it is abnormal.
6	25	Controller Undervoltage	Battery, Controller	Motor cannot drive	1. Check if the battery status is abnormal. 2. Charge the battery to restore normal voltage. 3. Check the vehicle wiring and ensure proper connection. 4. Replace the battery and confirm if it is abnormal. 5. Replace the controller and confirm if it is abnormal.
7	26	Controller Overvoltage	Battery, Controller	Motor cannot drive	1. Check if the battery status is abnormal. 2. Discharge the battery to restore normal voltage. 3. Check the vehicle wiring and ensure proper connection. 4. Replace the battery and confirm if it is abnormal. 5. Replace the controller and confirm if it is abnormal.
8	34	Motor Stalling	Controller, Motor	Motor cannot drive	1. Check if the motor status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the motor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
9	35	Motor Phase Line Error	Battery, Controller	Motor cannot drive	1. Check if the motor status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the motor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
10	36	Motor Hall Sensor Malfunction	Battery, Controller	Motor cannot drive	1. Check if the motor status is abnormal. 2. Check the vehicle wiring and ensure proper connection. 3. Replace the motor and confirm if it is abnormal. 4. Replace the controller and confirm if it is abnormal.
11	52	Controller Command Not Supported, Upgrade Required