HUIYE B04N Intelligent Display Instrument User Manual
- October 30, 2023
- HUIYE
Table of Contents
HUIYE B04N Intelligent Display Instrument
the product introduction
Name
Intelligent display instrument.
Product model
B04N.
Product Appearance
Product specification
General parameters
size
| Length Width Height| 89.360.880（mm）
---|---|---
Screen Dimension| 3.5’’
Handlebar Adaption| 22.2/25.4/31.8(mm)
screen
| Type| IPS
Color| RGB
Resolution| 320*480
connector| Type| M5 Waterproof Connector
Length| 20cm
General features
| Operating Voltage| 12v-60v
Operating Temperature| -20℃-+70℃
Waterproof Rating| IP67
Total Weight| 115 g (with handle).
Protocol| UART/CAN
Other features
| Bluetooth| 4.0+BLE
Light sense| Optional
Type-C| Support
Certification| CE/ROHS/FCC| Customizable
The main display screen
- Headlight indicator : The headlight Indicator graphic will light up when the headlight is turned on.
- Navigation indicator : If the “BIKEGO” app is connected to the instrument, the symbol will light up when navigation starts. (real-time navigation requires payment)
- Maintenance tips : The electronics system has some ability to selfdiagnose and report a limited set of faults. The faults will be reported as error codes displayed on the screen.
- Cruise indicator : The symbol will light up when the vehicle enters constant speed cruise.
- Bluetooth indicator: After the app is successfully connected to the instrument, the symbol will light up.
- Battery level graphic : The battery level graphic is a graphical representation of how much charge remains in the battery. More bars will appear in the graphic when the battery is charged. Less bars will appear when the battery is depleted.
- Real-time speed : The number shows the current speed that the e-bike is traveling.
- Gear indicator : This indicator shows which gear the bike is currently engaged.
- Single mileage : Mileage for this ride.
- Odometer: The total number of miles the vehicle has traveled.
- Average speed : The average speed of this trip.
When the mobile phone app connects the Bluetooth of the display, selects the destination to start navigation after entering the navigation interface, the main display screen changes as follows (real-time navigation requires payment): Navigation indicator: The symbol lights up to indicate that it is now in the navigation interface. Bluetooth indicator: The symbol lights up to indicate that the mobile phone app is now connected to the instrument. Current turn prompt and distance: Turn prompt and distance during current driving. Next turn prompt and distance: Next turn prompt and distance during driving Distance to destination: Prompt of the total distance from the current location to the destination
button definition
B04N has 3 buttons. Includes “Power key ”, “Plus key +”, “Minus key -“. The
key definition is shown in the following figure
General operation
B04N provides 4 themes and 3 languages for users to set, this manual takes Theme1(English version) as examples. “Press and hold key>2.5s” is replaced by “long press”, and “press and hold key<0.5s” is replaced by “click”.
-
On/off
Long press the “ ” to power on/off the display. In the shutdown state, the leakage current of the display is less than 1uA. The boot interface is shown in the following figure. (You need to enter the password before entering the main screen, the default password is 0000).
-
Assist level selection
After entering the main display screen, click the “+” or “-” to increase or decrease the assist level and change the motor output power, the default gears of the instrument are 0–5 (support customization); no power output at 0 gear, 1 gear is the lowest power and 5 gear is the highest power. When the display is powered on, the default setting is gear 0. The assist level selection interface is shown in the following figure
-
Headlight/backlight switch
Turn on the light: Long press the “+” when the light is off, the headlight indicator lights up, and the brightness of the display becomes dim. Turn off the light: Long press the “+” key when the light is on, the headlight Indicator darkens. The headlight switch interface is shown in the following figure
-
Boost mode
Click “-” button to shift to gear 0 when the vehicle is stationary, click the “-” button again to light the boost indicator “ “, and then long press the “-” button to enter the boost mode. The interface is shown in the following figure
In the boost mode, the indicator is displayed dynamically. When the vehicle speed is less than 6km/h, release the “-” to stop the boost status. If no operation within 5s under static boost, it will be automatically jump to gear 0.
Information viewing and setting
Display settings
Click “ ” to enter the setting menu, use “+” or “-” to move the cursor up and
down, select “Display Setting”, “Information”, “Language”, “Themes”,
“Password”, “Bluetooth”, “Reset Factory” and “Exit”, and click “ ” to enter.
The interface is shown in the following figure:
-
Imperial and metric unit conversion
Enter the “Display Setting” menu, select “Unit”, click “ ” to enter the setting, use “+” or “-” to move the cursor up and down after entering the setting, select “Metric”/”Imperial”, click ” ” to save and exit to “Unit”, and exit to the main interface through “Back” → “Exit”. (The entry and exit procedures for other settings are similar, and will not be repeated.) Unit conversion is shown in the following figure.
Note : The default unit is imperial -
Auto Off
Enter the “Auto Off” menu, select “OFF”, “1min”, “2min”, “3min”, “4min”, “5min”, “6min”, “7min”, “8min”, “9min”, “10min” (“OFF” means to turn off the function, and “1min-10min” means to turn off the auto off time respectively.)
Note : Any operation during the auto off time will be timed again, and the shutdown will not occur until the non-operating time reaches the auto off time. -
TRIP Reset
Enter the “TRIP Reset” menu, select “NO”/”YES”. When the single mileage reaches the maximum value(655km), it will be reset automatically, (the maximum values are different by the protocols, and the average speed will be set synchronously with the single mileage.) The interface is shown in the following figure:
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Backlight brightness setting
Enter the “Brightness” menu, select “30%”/”50%”/”75%”/”100%”. The interface is shown in the following figure -
Max Pas – Maximum gear setting
Enter the “MAX PAS” menu, and it is not adjustable -
Enter “Light sensitive” menu, select “Low/Mid/High”. The interface is shown in the following figure
-
BT Rssi Level – Bluetooth distance level setting, level 1 is near, 5 is far.
Note : Different mobile phones have slight differences
Information viewing
- Wheel Size information – Enter “Wheel Size” menu, the default wheel diameter is 26Inch (660mm), and the setting range is 16Inch (410mm) – 29Inch (740mm). As shown in the figure below:
- Speed limit information – Enter the “Speed Limit” menu. When the unit is km (metric), the default speed limit is 36km/h; When the unit is Imperial, the default speed limit is 22.50MPH. 0~100km/h is optional. As shown in the figure below:
- Display information –Enter the “Display Info” menu, the software and hardware version number (different by products) are displayed. As shown in the figure below
- Battery information- Enter the ” Battery Info” menu, the battery information is not adjustable. (The software and hardware version number may change due to different batches of products, so it is indicated by “–“. ）
- Error code –Enter the “Error Code” menu, “E-CODE 0” refers to the last error message, while “E-CODE 9” refers to the tenth error message. Record can be up to ten. Press “+” or “-” to switch. The error code “00” refers to no error. Please refer to the error code definition table for the meaning of other codes. As shown in the figure below
Language selection
B02 provides 3 languages for users to choose. Enter the “Language” menu,
switch “English”, “Deutsch” or “Español”. The interface is shown in the
following figure
Theme menu
B02 provides 4 different themes for users to choose. Enter the “Themes” menu, switch between “Theme1” – “Theme2” – “Theme3” – “Theme4”. The interface is shown in the following figure
Password settings
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Start password off/on- Enter the “Password” menu, select and enter the “Start Password” (Status is on/off) menu, and the interface prompts you to enter the password. At this time, use the “+” or “-” keys to switch the numbers “0-9”, click “ ” to enter digits. After entering, the system will prompt to close/open the password function. Then the interface will automatically jump to the original menu. The procedure is shown in the figure below
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Reset password – Enter the “Reset Password” menu.
-
The interface prompts “Please enter your old password”. At this time, use the “+” or “-” key to switch the number “0-9”, and click “ ” to enter the number,
-
After entering, the interface prompts “Please enter your password”. Repeat the above operation once to enter new password.
-
After entering, the interface prompts “Please confirm your password”. Repeat the above operation once.
Note : If you want to enable the password function, you need to enter the new password after modification. Do not change the initial password unnecessarily. The interface will automatically jump to the original menu after modification. The procedure is shown in the figure below: -
Bluetooth unlock setting (Enabled by default) Enter “Bluetooth Unlock” menu, click “+” or “-” to select “On”/”Off” (“On” means to enable it, “Off” means to disable it). If the Bluetooth unlock is enabled when the mobile application is not connected, the Bluetooth QR code interface will pop up for you to bind. It will be back to “Password” menu after binding.
The procedure is shown as below:
Bluetooth connection
Enter the “Bluetooth” menu, click “ ” to enter the Bluetooth QR code interface. You can scan the QR code to bind the device through the mobile phone app. After binding, it jumps to the main screen automatically, and the Bluetooth indicator lights up. The procedure is shown as below:
Error code comparison table
| The error code | Fault description | Troubleshooting methods |
|---|---|---|
| “02” | Brake handle failure | Stop riding and check whether the brake returns |
and is
damaged
“04”| The speed control put does
not returned
| Check whether the speed
control is in place
“05”| Speed regulation put fault| Check the speed gauge
“06”| Undervoltage protection
status
| Check the battery voltage
“07”| Overvoltage protection| Check the battery voltage
“08”| Hall signal line fault of motor| Check the motor module
“09”| Motor phase line fault| Check the motor module
“10”| The temperature inside the
motor is too high
| Check the motor
“11”| Motor temperature sensor
failure
| Stop riding
“12”| Current sensor failure| Check the controller
“13”| Failure of temperature inside
the battery
| Check the battery
“14”| The temperature inside the
controller is too high
| Check the controller
“15”| Controller temperature sensor
failure
| Stop riding
“16”| Controller failure| Stop riding
“17”| Abnormal braking| Stop riding and check whether the brake returns and is
damaged
“21”| Bafang: Speed sensor failure KM5S: Abnormal current| Bafang: Check the installation position of speed sensor KM5S: Check the controller
plug-in
“22”| KM5S: Abnormal handle| Check the speed regulating
handle
“23”| KM5S: Motor phase loss| Check the motor
“24”| KM5S: Abnormal Hall of
motor
| Check the motor
“25”| Bafang: Torque signal fault of torque sensor
KM5S: Abnormal braking
| Bafang: Check the torque KM5S: Stop riding
---|---|---
“26”| Speed signal fault of torque
sensor
| Check the torque
“27”| Controller overcurrent| Check the controller
“29”| Controller communication
failure
| Check the controller
connector
“30”| Communication failure| Check the controller
connector
“33”| Brake detection circuit fault| Check the controller
“35”| 15V power supply detection
fault
| Check the controller
“36”| Key detection circuit failure| Check the controller
“37”| Watchdog fault| Check the controller
“41”| The total voltage is too high| Check the battery
“42”| The total voltage is too low| Check the battery
“43”| The total current is too large| Check the battery
“44”| The monomer voltage is too
high
| Check the battery
“45”| Temperature too high
(battery)
| Check the battery
“46”| Temperature too low (battery)| Check the battery
“47”| SOC is too high (battery).| Check the battery
“48”| SOC is too low (battery).| Check the battery
“61”| The transmission is stuck| Check the transmission
“62”| The transmission cannot be
reset
| Check the transmission
“71”| The electronic lock is stuck| Check the electronic lock
“81”| Bluetooth module failure| Check Bluetooth
Menu descriptions are not commonly used
| Menu function | Function description |
|---|
drive mode
| shifter| Throttle assist
assistance| Power assisted drive
s&a| Throttle assist drive
boost magnetic| 2–63| Number of boost magnets
speed magnetic| 0–15| Number of speed magnets
boost ratio| 0–255| Boost speed following adjustment (0-255)
boost function
| off|
Throttle 6km function (0-normal, 1-6Km)
on
soft start
| 0|
Boost starting strength (0-3)
1
2
3
gear step
| off|
Whether the throttle shift with the gear (0-no, 1-yes)
on
current limit| 0–63| Current-limit value
boost signal
| positive|
Power assist signal polarity
negative
PWM set| 1–255| Maximum gear and PWM change corresponding to
each gear
FCC Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- this device must accept any interference received, including interference that may cause undesired operation
Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Note : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.