BAFANG DP E170.CAN User manual

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BF-DM-C-DP E170-EN November 2019
DEALER MANUAL FOR DISPLAY
CONTENT
7.1 Important Notice 2
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 Information 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 Battery Capacity Indication 5
7.8 Error Code Definition 6
7 DEALER MANUAL FOR
DP E170.CAN

2BF-DM-C-DP E170-EN November 2019
7.2 INTRODUCTION OF DISPLAY
• Model: DP E170.CAN • The label marking is as follow:
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 E170-EN November 2019
DEALER MANUAL FOR DISPLAY
7.3 PRODUCT DESCRIPTION
7.3.1 Specifications
• Operating temperature: -20℃~45℃
• Storage temperature: -20℃~60℃
• Waterproof: IPX5
• Bearing humidity: 30%-70% RH
7.3.2 Functional Overview
• Battery capacity indicator
• Switch on and off
• Indication and selection of support level
• Control of lighting system
• Indication for error messages
7.4 DISPLAY INSTALLATION
1. After the bracket is welded to the bicycle
frame, the key unit can be fixed on the key
base by M4*12 screws. Then attach the
aluminum label.
Please keep the surface of key unit clean
and dry. After attaching the label, please
apply a certain of pressure to make it fit.
2. Assemble the main body of display with
cabling through customer's bicycle tube.
3. Dock the DP’s male connector “h” with
EB-BUS’s female connector “H” as indicated.

4BF-DM-C-DP E170-EN November 2019
7.5 DISPLAY INFORMATION
The display area is indicated by RGB lights,
including the support level, battery capacity
and error indication.
• Display of Support Level
It shows the current support level of 1-3.
• Display of Battery Capacity
The RGB light indicates the current battery
capacity. Under the state of support level, if
there is no operation within 5s, the screen
will switch to display the battery capacity.
• Display of Error Code
The RGB light flashes at a frequency of 1Hz.
7.6 KEY DEFINITION
DP E170.CAN has a single button, which achieves to power on and off the machine, select the
support levels, and switch on and off the headlight.

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BF-DM-C-DP E170-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.
In the off state, the leakage current is less
than 1uA.
7.7.2 Selection of Support Levels
When the display is turned on, press
(<0.5S) to switch to the support level and
change the output power of the motor. The
default level is level 1-3. The lowest level is
1, the highest level is 3.
level 1- Cyan; level 2- Blue; level 3- Purple
7.7.3 Headlights / backlighting
ON: Double click when the light is off,
and the controller will turn on the lights.
OFF: Double click when the light is on,
and the controller will turn off the light.
(After turning on the headlight, the bright-
ness of DP will decrease, and vice versa.)
7.7.4 Battery Capacity Indication
Capacity Range Color
40% < C ≤ 100% Green
20% ≤ C ≤ 40% Yellow
5% ≤ C < 20% Red
<5% Flashing Red
The current battery capacity is displayed by
default upon powering on. Press (<0.5S)
to display the current level, and short press
again to switch the level.
Under the state of support level, if there
is no operation within 5s, the screen will
switch to display the battery capacity.

6BF-DM-C-DP E170-EN November 2019
7.8 ERROR CODE DEFINITION
The display can show the errors of a pedelec. When the fault is detected, the RGB lights will flash at a frequency
of 1 Hz. The flashing blue light indicates the tens digit of the error code, while the flashing cyan light indicates
the unit digit. For example:
Error code 25 :
The blue light flickers for 2 times, and the cyan light 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 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.

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BF-DM-C-DP E170-EN November 2019
DEALER MANUAL FOR DISPLAY
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.

8BF-DM-C-DP E170-EN November 2019
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.

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BF-DM-C-DP E170-EN November 2019
DEALER MANUAL FOR DISPLAY
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 the
controller 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 the
sensor 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.