DEALER MANUAL FOR DISPLAY

7 DEALER MANUAL FOR
DP E180.CAN/ DP E181.CAN

CONTENT
7.1 Important Notice2

7.7 Normal Operation

5

7.2 Introduction of Display2

7.7.1 	Power On/Off

5

7.3 Product Description

3

7.7.2 	Switch Power Assisted Level5

7.3.1 	Overall Dimension

3

7.7.3 	Switch the Headlight6

7.3.2 	Specifications

3

7.7.4 	Walk Assistance6

7.3.3 	Function Overview

3

7.7.5 	Battery Capacity Indication

6

7.4 Display Installation

4

7.7.6 	Bluetooth Indication

6

7.5 Display

4

7.8 Error Code Definition

7

7.6 Key Definition5  BF-DM-C-DP E180-EN September 20221

7.1 IMPORTANT NOTICE• If the error information from the display
cannot be corrected according to the instructions, please contact your retailer.

• Please use this product with care.
• Do not use thinners or other solvents toclean the display. Such substances candamage the surfaces.

• The product is designed to be waterproof. It
is highly recommended to avoid submerging
the display under water.

• Warranty is not included due to wear andnormal use and aging.

• Do not clean the display with a steam jet,high-pressure cleaner or water hose.

7.2 INTRODUCTION OF DISPLAY• Model: DP E180.CAN• Identification:

DP E181.CAN• Appearance:

Note: Please keep the QR code label attachedto the display cable. The information from theLabel is used for a later possible software
update.

2

BF-DM-C-DP E180-EN September 2022  7.3 PRODUCT DESCRIPTION
7.3.2 Specifications• Operating temperature: -20℃~45℃• Storage temperature: -20℃~60℃• Waterproof: IPX5
• Bearing humidity: 30%-70% RH

7.3.3 Function Overview• Battery capacity indication• Power on and off• Control and indication of power assistance• Walk assistance• Control of lighting system• Automatic sensitvity to light• Error code indication  BF-DM-C-DP E180-EN September 2022

3

DEALER MANUAL FOR DISPLAY

7.3.1 Overall Dimension

7.4 DISPLAY INSTALLATION
1.

Open the clamp of display and place thedisplay cable into the groove.

2.

Put the clamp onto the handlebar, fix
it with a M3*8 hex screw at tightening
torque of 1 N.m.

3.

Dock the DP’s male connector “h” with EBBUS’s female connector “H” as indicated.

7.5 DISPLAY
1Bluetooth indication(only light up in DP E181.CAN)

3

142

Battery capacity indication

3

AL sensitivity position

4

2Power assistance indication(level 1 to level 5 is from bottom to top, noLED light means no power assistance)

5

Error code indication(LED lights of level 1 and level 2 flash at afrequency of 1Hz. )4

BF-DM-C-DP E180-EN September 2022  7.6 KEY DEFINITION

Power on/offDown/
Walk assistance

7.7 NORMAL OPERATION
7.7.1 Power On/Off

7.7.2 Switch Power Assisted Level

Press and hold(>2S) on the display topower on the system.
Press and holdthe system.

When the display is turned on, press(<0.5S) to switch to the power assisted level
and change the output power of the motor.
The default level is level 0-5, of which thelowest is 1, the highest is 5, and level 0 is nopower assistance.

(>2S) again to power off

In the off state, the leakage current is lessthan 1uA.

  BF-DM-C-DP E180-EN September 2022

5

DEALER MANUAL FOR DISPLAY

Up/ Headlight7.7.3 Switch the Headlight

7.7.5 Battery Capacity Indication

ON: Press and hold(>2S) when theheadlight is off, and the controller will switch
on the headlight.

The battery capacity is indicated with 5 levels. When the lowest level indicator flashes
that means battery needs to charge. The
battery capacity is shown as follows:

OFF: Press and hold(>2S) when theheadlight is on, and the controller will switch
off the headlight.

7.7.4 Walk Assistance
Briefly press(<0.5S) to the level 0 (noindication of the power assistance), thenpress and hold(>2S) to enter the walkassistance mode.

Bars

Capacity Range

580%≤C≤100%

460%≤C<80%340%≤C<60%

220%≤C<40%

1

5%≤C<20%LOW<5%Example

7.7.6 Bluetooth Indication
Note: Only DP E181.CAN is the Bluetoothversion.

In the walk assistance mode, 5 LED lights
flash at a frequency of 1Hz and the real-time
speed is less than 6km/h. Once releasing thebutton, it will exit the walk assistancemode. If no operation within 5s, the display
will automatically return to level 0.

DP E181.CAN can be connected with BAFANG GO via Bluetooth, and all information
can be shown on the smart phone, such asbattery, sensor, controller and display.
The default name of Bluetooth is DP E181.
CAN. After connecting, the Bluetooth indication on the display will be on.

(Bafang Go for AndroidTM and iOSTM )6

BF-DM-C-DP E180-EN September 2022  7.8 ERROR CODE DEFINITION

Error code 25 : The LED light of level 1 flickers for 2 times, and the LED light of level 2 flickers for 5 times.
Note: Please read carefully the description of the error code. When the error code appears, please first restart
the system. If the problem is not eliminated, please contact your dealer or technical personnel.

Error

Declaration

04

The throttle has fault.

05

The throttle is not back in its
correct position.

07

Overvoltage protection

Troubleshooting
1. Check the connector and cable of the throttle are
not damaged and correctly connected.
2. Disconnect and reconnect the throttle, if still nofunction please change the throttle.
Check the connector from the throttle is correctlyconnected. If this does not solve the problem, pleasechange the throttle.
1. Remove and re-Insert the battery to see if itresolves the problem.
2. Using the BESST tool update the controller.
3. Change the battery to resolve the problem.
1. Check all connectors from the motor are correctlyconnected.

08

Error with the hall sensor signal
inside the motor

09

Error with the Engine phase’s

10

The temperature inside the engine has reached its maximum
protection value

11

The temperature sensor inside
the motor has an error

Please change the motor.

12Error with the current sensor inthe controller

Please change the controller or contact your supplier.

  BF-DM-C-DP E180-EN September 2022

2. If the problem still occurs, please change themotor.
Please change the motor.
1. Turn off the system and allow the Pedelec to cooldown.
2. If the problem still occurs, please change themotor.

7

DEALER MANUAL FOR DISPLAY

The display can show the errors of a pedelec. When the fault is detected, the LED lights will flash at a frequency
of 1Hz. The LED light of level 1 indicates the tens digit of the error code, while the LED light of level 2 indicatesthe unit digit. For example:

Error

Declaration

13Error with the temperaturesensor inside of the battery

14

The protection temperatureinside the controller has reached
its maximum protection value

15

Error with the temperature
sensor inside the controller

Troubleshooting
1. Check all connectors from the battery are correctly
connected to the motor.
2. If the problem still occurs, please change theBattery.
1. Allow the pedelec to cool down and restart thesystem.
2. If the problem still occurs, please change thecontroller or contact your supplier.
1. Allow the pedelec to cool down and restart thesystem.
2. If the problem still occurs, Please change the controller or contact your supplier.
1. Restart the system
2. Check that the magnet attached to the spoke isaligned with the speed sensor and that the distanceis between 10 mm and 20 mm.
3. Check that the speed sensor connector is connected correctly.

21

Speed sensor Error

4. Connect the pedelec to BESST, to see if there is asignal from the speed sensor.
5. Using the BESST Tool- update the controller to see
if it resolves the problem.
6. Change the speed sensor to see if this eliminates
the problem. If the problem still occurs, pleasechange the controller or contact your supplier.
1. Check that all connections are connected correctly.

25

2. Please connect the pedelec to the BESST system tosee if torque can be read by the BESST tool.

Torque signal Error

3. Using the BESST Tool update the controller to see
if it resolves the problem, if not please change thetorque sensor or contact your supplier.

8

BF-DM-C-DP E180-EN September 2022  Declaration

Troubleshooting
1. Check that all connections are connected correctly.

26

Speed signal of the torquesensor has an error

2. Please connect the pedelec to the BESST system tosee if speed signal can be read by the BESST tool.
3. Change the Display to see if the problem is solved.
4. Using the BESST Tool update the controller to see
if it resolves the problem, if not please change thetorque sensor or contact your supplier.

27

Overcurrent from controller

Using the BESST tool update the controller. If theproblem still occurs, please change the controller orcontact your supplier.
1. Check all connections on the pedelec are correctly
connected.
2. Using the BESST Tool run a diagnostics test, to see
if it can pinpoint the problem.

30

Communication problem

3. Change the display to see if the problem is solved.
4. Change the EB-BUS cable to see if it resolves theproblem.
5. Using the BESST tool, re-update the controller
software. If the problem still occurs please change
the controller or contact your supplier.

33

Brake signal has an error(If brake sensors are fitted)

1. Check all connectors are correctly connected on
the brakes.
2. Change the brakes to see if the problem is solved.
If problem continues Please change the controller orcontact your supplier.

35

Detection circuit for 15V has
an error

Using the BESST tool update the controller to see if
this resolves the problem. If not, please change thecontroller or contact your supplier.

36

Detection circuit on the keypad
has an error

Using the BESST tool update the controller to see if
this resolves the problem. If not, please change thecontroller or contact your supplier.

  BF-DM-C-DP E180-EN September 2022

9DEALER MANUAL FOR DISPLAYError

Error

Declaration

Troubleshooting

37

Controller WDT circuit is faulty

Using the BESST tool update the controller to see if
this resolves the problem. If not, please change thecontroller or contact your supplier.

38

Sensor WDT circuit is faulty

Using the BESST tool update the sensor to see if
this resolves the problem. If not, please change thesensor or contact your supplier.

41

Total voltage from the battery is
too high

Please change the battery.

42

Total voltage from the battery is
too low

Please Charge the battery. If the problem still occurs,
please change the battery.

43

Total power from the batterycells is too highPlease change the battery.

44

Voltage of the single cell is toohighPlease change the battery.

45

Temperature from the battery istoo highPlease let the pedelec cool down.

46

The temperature of the battery
is too low

Please bring the battery to room temperature. If theproblem still occurs, please change the battery.

47

SOC of the battery is too highPlease change the battery.

48

SOC of the battery is too low

Please change the battery.

61

Switching detection defect62

Electronic derailleur cannot
release.

71

Electronic lock is jammed81

Bluetooth module has an error

If problem still occurs, please change the battery.

1. Check the gear shifter is not jammed.
2. Please change the gear shifter.
Please change the derailleur.
1. Using the BESST tool update the Display to see if it
resolves the problem.
2. Change the display if the problem still occurs,
please change the electronic lock.
Using the BESST tool, re-update the software onto
the display to see if it resolves the problem.
If not, Please change the display.
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BF-DM-C-DP E180-EN September 2022