Bafang DP C010.CB Dealer Manual for Display

7.1 Important Notice

If error information cannot be corrected per instructions, contact your retailer.
The product is designed to be waterproof, but avoid submerging it.
Do not clean with a steam jet, high-pressure cleaner, or water hose.
Use with care and do not use thinners or solvents, as they can damage surfaces.
Warranty does not cover wear, normal use, and aging.

7.2 Introduction of Display

Model: DP C010.CB

Housing: PC+ABS

Display Window: Tempered glass

Button: ABS

Label Marking:

DP C010CBF80101.0 PD051505

Keep the QR code label attached to the display cable for potential future software updates.

7.3 Product Description

7.3.1 Specification

4.0”, 480*800 (RGB) TFT screen
Power Supply: 36/43/48/50.4/60/72Vdc
Operating Temperature: -20 ℃ to 45℃
Storage Temperature: -20 °C to 60°C
Waterproof: IP66
Storage Humidity: 30%-70% RH

7.3.2 Functional Overview

Battery capacity indication
Power-assisted mode selection
Speed indication (max. and average speed)
Unit switching (km/mile)
Motor power indication
Mileage indication (TRIP, ODO, Range)
Walk assistance
Automatic sensors explanation for lighting system
Brightness setting for backlight
Intelligent indication (energy consumption CAL, Cadence) - requires compatible controller
Controller, HMI, and battery information
Error code and warning code indication
Bluetooth Function
USB charge (max. 1A)
Service indication
Clock indication
3 Themes (Sporty, Fashion, Technology)
6 Languages (English, German, Dutch, French, Italian, Czech)

7.4 Display Installation

Match the rubber sleeve: Select the appropriate rubber sleeve based on handlebar diameter (Ø22.2, Ø25.4, Ø31.8, Ø35). Open HMI clamps and insert sleeves.
Temporarily install the HMI: Place HMI clamps with sleeves on the handlebar and temporarily tighten M3*12 screws.
Install the HMI: Adjust HMI angle for visibility and tighten screws with 1 N.m torque.
Temporarily install the control unit: Open the control unit clamp, place it on the handlebar, and adjust the angle for ease of operation. (Control unit diameter is Ø22.2mm.)
Install the control unit: Tighten the M3*12 screw with 1 N.m torque.
Link the connectors: Connect the male HMI connector (F) to the female EB-BUS connector (f).

The light sensing device is on the back of the HMI. Do not cover this area.

7.5 Display

The display shows:

1. Battery capacity indication
2. Warn code indication
3. Speed in real-time
4. Speed bar
5. Power-assisted mode indication (4 or 6 Modes)
6. Unit switching of speed (km/h, mph)
7. Multifunction indication (Clock, TRIP, ODO, MAX, AVG, Range, CAL, Cadence, Time)
8. Symbol indication (Headlight, USB, Service, Bluetooth)

7.6 Key Definition

Up Button: Headlight
Down Button: Walk assistance
Power Button: Power on/off

7.7 Normal Operation

7.7.1 Power ON/OFF

Press and hold the Power button (>2S) to power on the HMI.
Press and hold the Power button (>2S) again to power off the HMI.

7.7.2 Power-Assisted Mode Selection

Briefly press the Up or Down button (<0.5S) to select the power-assisted mode and change motor output. Modes available: 4 or 6. The default is 6 Modes (ECO to BOOST). ECO is the lowest, BOOST is the highest. OFF mode means no power assistance.

7.7.3 Headlight / Backlight

The headlight can be switched manually or automatically. Auto light function activates on HMI power-on.

Press and hold the Up button (>2S) to turn on the headlight and reduce backlight brightness.
Press and hold the Up button (>2S) again to turn off the headlight and increase backlight brightness.

Auto light function may be affected by ambient light. Manual switching temporarily disables auto function. It resumes after HMI restart.

7.7.4 Walk Assistance

Walk assistance can only be activated with a stationary e-bike.

Briefly press the Down button (<0.5S) until the walk assistance symbol appears.
Continue pressing the Down button until the symbol flashes, indicating activation.
When speed is below 2.5km/h, the display shows 2.5km/h.
Releasing the Down button exits walk assistance, and the symbol stops flashing. If no operation for 5s, HMI returns to OFF mode.

7.7.5 Multifunction Selection

Briefly press the Power button (<0.5S) to cycle through functions: Clock → TRIP → ODO → MAX → AVG → Range → CAL → Cadence → Time.

7.7.6 Battery Capacity Indication

The HMI displays battery capacity from 100% to 0%. Below 5%, the indicator blinks at 1 Hz to signal recharge.

7.7.7 Bluetooth Function

The HMI supports OTA updates for HMI, controller, sensor, and battery via Bluetooth. Connect to the Bafang Go+ APP via Bluetooth. Available data for the APP includes: Speed, Power-assisted mode, Battery capacity, Headlight state, TRIP, ODO, Range, Heartbeat (customized), Calories, Sensor signal.

7.7.8 USB Charge Function

When the HMI is off, connect a USB cable to the charge port and turn on the HMI to charge. Max charge voltage is 5V, max current is 1A.

7.7.9 Service Tip

When total mileage exceeds 5000 km, a symbol appears, reminding users of maintenance. This function is off by default.

7.7.10 Riding Data Interface

Double press the Power button (<0.5S) to enter the riding data interface.
Press the Power button (<0.5S) to switch pages.
Double press the Power button (<0.5S) again to return to the main interface.
Press and hold the Power button (>2S) to clear TRIP, MAX, AVG, Time data (only when speed is <5 km/h and not in walk assistance mode).

7.8 Settings

7.8.1 "Quick settings" Interface

From the main interface, press and hold the Up and Down buttons simultaneously to enter "Quick settings". Press and hold them again to exit to the main interface.

7.8.1.1 “Brightness”: Select "Brightness" and press the button to enter. Adjust percentage (10%-100%) using Up/Down buttons. Press the Power button (<0.5S) to save and exit.
7.8.1.2 "Auto off”: Select "Auto off" and press the button to enter. Choose automatic off time (OFF, 1-9 minutes) using Up/Down buttons. Press the Power button (<0.5S) to save and exit. Note: "OFF" disables the function.
7.8.1.3 “Clock setting”: Select "Clock setting" and press the button. Choose time format (12h/24h) using Up/Down buttons. Press the button to set the time using Up/Down buttons. Press the Power button (<0.5S) to save and exit.
7.8.1.4 "Theme”: Select "Theme" and press the button to save the chosen theme (Sporty, Technology, Fashion).
7.8.1.5 “Modes”: Select "Modes" and press the button to choose between "4 Modes" or "6 Modes".
7.8.1.6 “Trip reset”: Select "Trip reset" and press the button to choose "YES" or "NO". Press the Power button (<0.5S) to save and exit. Note: Resetting TRIP also resets Time, AVG, and MAX speed.

7.8.2 "Display settings” Interface

From "Quick settings", select "OTHERS" and press the button to enter "Display settings".

7.8.2.1 “Trip reset”: Select "Trip reset", press the button, choose "YES" (clear) or "NO" (no operation) with Up/Down buttons. Press the Power button (<0.5S) to save and exit.
7.8.2.2 "Unit”: Select "Unit", press the button, choose "km" or "mile" with Up/Down buttons. Press the Power button (<0.5S) to save and exit.
7.8.2.3 "Service tip”: Select "Service tip", press the button, choose "ON" or "OFF" with Up/Down buttons. Press the Power button (<0.5S) to save and exit. Default is OFF. Flashes if ODO > 5000 km.
7.8.2.4 "AL Sensitivity”: Select "AL sensitivity", press the button, choose sensitivity level (OFF, 1-5) with Up/Down buttons. Press the Power button (<0.5S) to save and exit. Level 1 is weakest, Level 5 is strongest.
7.8.2.5 "Boot Password”: Select "Boot Password", press the button. Set a 4-digit password using Up/Down buttons. Select "YES" to save and exit. Then, select "ON"/"OFF" with Up/Down buttons and press the Power button (<0.5S) to save and exit. Default password is 0000, default setting is OFF.
7.8.2.6 "Reset Password”: Select "Reset Password", press the button. Enter the old 4-digit password, then the new password and confirm. Select "YES" to save and exit.

7.8.3 "Information" Interface

Information displayed cannot be changed.

7.8.3.1 "Wheel size”: Displays "Wheel size --inch".
7.8.3.2 "Speed limit”: Displays "Speed limit --km/h".
7.8.3.3 “Battery info”: Select "Battery info", press the button, then use Up/Down buttons to view battery information. Data may not be available if the battery lacks communication function.
7.8.3.4 "Controller info”: Select "Controller info", press the button to view hardware and software versions. Press the Power button (<0.5S) to exit.
7.8.3.5 "ΗMI info”: Select "HMI info", press the button to view hardware and software versions. Press the Power button (<0.5S) to exit.
7.8.3.6 "Sensor info”: Select "Sensor info", press the button to view hardware and software versions. If the e-bike lacks a torque sensor, "--" will be displayed.
7.8.3.7 "Warn code”: Select "Warn code", press the button to view the warning message. Press the Power button (<0.5S) to exit.
7.8.3.8 "Error code”: Select "Error code", press the button to view the error message. Press the Power button (<0.5S) to exit.

7.8.4 "Language" Interface

In the "Language" interface, select the desired language (English, Deutsch, Nederlands, Français, Italiano, Čeština) using Up/Down buttons and press the Power button to save.

7.8.5 "Theme” Interface

In the "Theme" interface, select the desired theme (Sporty, Technology, Fashion) using Up/Down buttons and press the Power button to save.

7.9 Error Code Definition

The ebike system monitors parts in real-time. Abnormalities trigger error codes displayed on the HMI. Troubleshooting methods are listed by fault probability.

For detailed disassembly, refer to the dealer manual for corresponding parts on the official website: www.bafang-e.com.

Safety Precautions: Before disassembling, switch off system power via HMI, disconnect power cables. When installing, secure parts first, connect cables, then switch on power.

Contact Bafang after-sales service at service@bafang-e.com if troubleshooting fails or the error code is not listed.

Code	Cause	Troubleshooting (Hub Motor System)	Troubleshooting (Mid Motor System)
05	Throttle not in place	1. Check throttle placement. 2. Check throttle cable connection and integrity. 3. Replace throttle or controller.	1. Check throttle placement. 2. Check throttle cable connection and integrity. 3. Replace throttle or drive unit.
07	System overvoltage protection	1. Verify battery voltage matches controller. 2. Replace battery or controller.	1. Verify battery voltage matches drive unit. 2. Replace battery or drive unit.
08	Hall signal in motor is abnormal	1. Check motor cable connection and integrity. 2. Replace motor or controller.	Replace the drive unit.
09	Phase wire in motor abnormal	1. Check motor cable connection and integrity. 2. Replace motor or controller.	Replace the drive unit.
10	Motor overtemperature protection (with temperature sensor)	1. If riding long, turn off system to cool motor. 2. If short ride, replace motor or controller.	1. If riding long, turn off system to cool drive unit. 2. If short ride, replace drive unit.
11	Motor temperature sensor abnormal (with temperature sensor)	1. Check motor cable connection and integrity. 2. Replace motor or controller.	Replace the drive unit.
12	Controller current sensor abnormal	Replace the controller.	Replace the drive unit.
14	Controller overtemperature protection	1. If riding long, turn off system to cool controller. 2. If short ride, replace controller.	1. If riding long, turn off system to cool drive unit. 2. If short ride, replace drive unit.
15	Controller temperature sensor abnormal	Replace the controller.	Replace the drive unit.
21	Speed sensor abnormal	1. Check motor cable connection and integrity. 2. Replace motor or controller.	1. Check spoke magnet placement and clearance (10-15mm). 2. Check speed sensor cable connection and integrity. 3. Replace speed sensor or drive unit.
26	Torque sensor abnormal (with torque sensor)	1. Check torque sensor cable connection and integrity. 2. Replace torque sensor or controller.	Replace the drive unit.
30	Communication abnormal	1. Check HMI cable connection and integrity. 2. Replace controller if HMI turns off automatically after error code. 3. Replace HMI if HMI does not turn off automatically. 4. If BESST tool available, connect, read HMI/controller info, replace unreadable parts.	1. Check HMI cable connection and integrity. 2. Replace drive unit if HMI turns off automatically after error code. 3. Replace HMI if HMI does not turn off automatically. 4. If BESST tool available, connect, read HMI/drive unit info, replace unreadable parts.
36	ON/OFF Button detection circuit abnormal (with Bafang CAN communication protocol)	1. If ON/OFF button is pressed during power-on, error code alarms. Release button and check if code disappears. 2. Replace HMI or controller.	1. If ON/OFF button is pressed during power-on, error code alarms. Release button and check if code disappears. 2. Replace HMI or drive unit.
37	WDT (Watch Dog Timer) in controller is abnormal	Replace the controller.	Replace the drive unit.
42	Discharge voltage of battery pack is too low	1. Charge the battery. 2. Replace the battery.	1. Charge the battery. 2. Replace the battery.
49	Discharge voltage of single cell is too low	1. Charge the battery. 2. Replace the battery.	1. Charge the battery. 2. Replace the battery.
4C	Voltage difference between single cell	Replace the battery.	Replace the battery.

Battery error codes 42, 49, 4C occur with smart BMS and Bafang CAN communication protocol.

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