BAFANG DP E161.CAN User manual

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BF-DM-C-DP E161-EN November 2019
DEALER MANUAL FOR DISPLAY
CONTENT
7.1 Important Notice 
7.2 Introduction of Display 2
7.3 Product Description 3
7.3.1 Specifications 3
7.3.2 Functional Overview 3
7.4 Display Installation 3
7.5 Display 4
7.6 Key Definition 4
7.7 Normal Operation 5
7.7.1 Switching the System ON/OFF 5
7.7.2 Selection of Support Levels 5
7.7.3 Headlights / backlighting 5
7.7.4 Walk Assistance 5
7.7.5 Battery Capacity Indication 6
7.7.6 Bluetooth Function 6
7.8 Error Code Definition 7
7 DEALER MANUAL FOR
DP E161.CAN

2BF-DM-C-DP E161-EN November 2019
7.2 INTRODUCTION OF DISPLAY
• Model: DP E161.CAN BUS
• The housing material is PC+ABS and acrylic,
as following:
• The label marking is as follows:
Note: Please keep the QR code label attached
to the display cable. The information from the
Label is used for a later possible software
update.
7.1 IMPORTANT NOTICE
• If the error information from the display
cannot be corrected according to the inst-
ructions, please contact your retailer.
• The product is designed to be waterproof. It
is highly recommended to avoid submerging
the display under water.
• Do not clean the display with a steam jet,
high-pressure cleaner or water hose.
• Please use this product with care.
• Do not use thinners or other solvents to
clean the display. Such substances can
damage the surfaces.
• Warranty is not included due to wear and
normal use and aging.

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BF-DM-C-DP E161-EN November 2019
DEALER MANUAL FOR DISPLAY
7.3 PRODUCT DESCRIPTION
7.3.1 Specifications
• Operating temperature: -20℃~45℃
• Storage temperature: -20℃~50℃
• Waterproof: IP65
• Storage room Humidity: 30%-70% RH
7.3.2 Functional Overview
• Battery capacity indicator
• Indication of support level
• Walk assistance
• Automatic sensors explanation of the light-
ing system
• Indication for error messages
• Control and indication of lighting system
• Bluetooth function
7.4 DISPLAY INSTALLATION
1. Open the clamp A on the display and
place the display on to the handlebar
in the correct position, where it is
suitable for operation (the applicable
handlebar are ∮22.2mm).
A
2. With the screw B (M3*10 hexagon socket
screw) tighten the display into position,
torque requirement: 1N.m.
B
3. Please link the display to the EB-BUS cable.
h: male connector at the display.
H: female connector at the EB-BUS.

4BF-DM-C-DP E161-EN November 2019
7.5 DISPLAY
1
6
2
3
4
5
1Battery capacity indicator
2Speed indicator
3Support level indicator
4Walk assistance
5Indicator for lighting system
6Bluetooth indicator
7.6 KEY DEFINITION
E161 Display has three buttons: System On/Off , Up and Down .
Down
Up
System On/Off

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BF-DM-C-DP E161-EN November 2019
DEALER MANUAL FOR DISPLAY
7.7 NORMAL OPERATION
7.7.1 Switching the System ON/OFF
Press and hold (>2S) on the display to
turn on the system.
Press and hold (>2S) again to turn off
the system.
7.7.2 Selection of Support Levels
When the display is turned on, press the
or (<0.5S) button to switch to the sup-
port level, the lowest level is 1, the highest
level is 5. When the system is switched on,
the support level starts in level 1. There is no
support at level 0.
7.7.3 Headlights / backlighting
Hold the (>2S) button to activate the
headlight and taillights.
Hold the (>2S) button again to turn off
the headlight and taillight. (If the display is
turned on in a dark environment, the display
backlight/headlight will be turned on auto-
matically. If the display backlight/headlight
are turned off manually, they also need to be
turned on manually afterwards)
7.7.4 Walk Assistance
When your Pedelec is motionless, briefly
press button until the Walk assistance
indicator is displayed. At this point,
long press button, the Pedelec enters
the walk assistance mode, the indicator will
flash. If release the button will stop this, if
no any operations within 5s will automatical-
ly return to 0 level. That is stopped from the
Walk assistance mode.(as following)

6BF-DM-C-DP E161-EN November 2019
7.7.5 Battery Capacity Indication
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:
Indication definition SOC Example
5 bars 80%-100%
4 bars 60%-80%
3 bars 40%-60%
2 bars 20%-40%
1 bar 5%-20%
1 flashing <5%
7.7.6 Bluetooth Function
When the mobile phone is connected to the display by Bluetooth, the Bluetooth symbol will be
displayed, and the disconnected symbol will disappear automatically.
This display can be connected to the Bafang Go APP through Bluetooth. More information can be
viewed on the APP, such as the information of battery, remaining capacity, single-trip distance.

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BF-DM-C-DP E161-EN November 2019
DEALER MANUAL FOR DISPLAY
7.8 ERROR CODE DEFINITION
DP E161.CAN display can provide warning for failures. The error code flickers when an error is
detected.
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 Troubleshooting
04 The throttle has fault.
1. Check the connector and cable of the throttle are
not damaged and correctly connected.
2. Disconnect and reconnect the throttle, if still no
function please change the throttle.
05 The throttle is not back in its
correct position.
Check the connector from the throttle is correctly
connected. If this does not solve the problem, please
change the throttle.
07 Overvoltage protection
1. Remove and re-Insert the battery to see if it
resolves the problem.
2. Using the BESST tool update the controller.
3. Change the battery to resolve the problem.
08 Error with the hall sensor signal
inside the motor
1. Check all connectors from the motor are correctly
connected.
2. If the problem still occurs, please change the
motor.
09 Error with the Engine phase’s Please change the motor.
10
The temperature inside the en-
gine has reached its maximum
protection value
1. Turn off the system and allow the Pedelec to cool
down.
2. If the problem still occurs, please change the
motor.
11 The temperature sensor inside
the motor has an error Please change the motor.
12 Error with the current sensor in
the controller Please change the controller or contact your supplier.

8BF-DM-C-DP E161-EN November 2019
Error Declaration Troubleshooting
13 Error with the temperature
sensor inside of the battery
1. Check all connectors from the battery are correctly
connected to the motor.
2. If the problem still occurs, please change the
Battery.
14
The protection temperature
inside the controller has reached
its maximum protection value
1. Allow the pedelec to cool down and restart the
system.
2. If the problem still occurs, please change the
controller or contact your supplier.
15 Error with the temperature
sensor inside the controller
1. Allow the pedelec to cool down and restart the
system.
2. If the problem still occurs, Please change the con-
troller or contact your supplier.
21 Speed sensor Error
1. Restart the system
2. Check that the magnet attached to the spoke is
aligned with the speed sensor and that the distance
is between 10 mm and 20 mm.
3. Check that the speed sensor connector is connect-
ed correctly.
4. Connect the pedelec to BESST, to see if there is a
signal 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, please
change the controller or contact your supplier.
25 Torque signal Error
1. Check that all connections are connected correctly.
2. Please connect the pedelec to the BESST system to
see if torque can be read by the BESST tool.
3. Using the BESST Tool update the controller to see
if it resolves the problem, if not please change the
torque sensor or contact your supplier.

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BF-DM-C-DP E161-EN November 2019
DEALER MANUAL FOR DISPLAY
Error Declaration Troubleshooting
26 Speed signal of the torque
sensor has an error
1. Check that all connections are connected correctly.
2. Please connect the pedelec to the BESST system to
see 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 the
torque sensor or contact your supplier.
27 Overcurrent from controller
Using the BESST tool update the controller. If the
problem still occurs, please change the controller or
contact your supplier.
30 Communication problem
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.
3. Change the display to see if the problem is solved.
4. Change the EB-BUS cable to see if it resolves the
problem.
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 or
contact 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 the
controller 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 the
controller or contact your supplier.

10 BF-DM-C-DP E161-EN November 2019
Error Declaration Troubleshooting
37 WDT circuit is faulty
Using the BESST tool update the controller to see if
this resolves the problem. If not, please change the
controller 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 battery
cells is too high Please change the battery.
44 Voltage of the single cell is too
high Please change the battery.
45 Temperature from the battery is
too high
Please let the pedelec cool down.
If problem still occurs, please change the battery.
46 The temperature of the battery
is too low
Please bring the battery to room temperature. If the
problem still occurs, please change the battery.
47 SOC of the battery is too high Please change the battery.
48 SOC of the battery is too low Please change the battery.
61 Switching detection defect 1. Check the gear shifter is not jammed.
2. Please change the gear shifter.
62 Electronic derailleur cannot
release. Please change the derailleur.
71 Electronic lock is jammed
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.
81 Bluetooth module has an error
Using the BESST tool, re-update the software onto
the display to see if it resolves the problem.
If not, Please change the display.