BAFANG DP C171.CAN User manual

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BF-UM-C-DP C171-EN November 2019
USER 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 Functions Overview 3
7.4 Display 4
7.5 Key Definition 5
7.6 Normal Operation 5
7.6.1 Switching the System ON/OFF 5
7.6.2 Selection of Support Levels 5
7.6.3 Selection mode 6
7.6.4 Headlights / backlighting 6
7.6.5 Walk Assistance 7
7.6.6 Battery capacity indication 7
7.6.7 USB charge function 7
7.7 Settings 8
7.7.1 Setting 8
7.7.2 View Information 10
7.8 Error Code Definition 14
7 USER MANUAL FOR
DP C171.CAN

2BF-UM-C-DP C171-EN November 2019
7.2 INTRODUCTION OF DISPLAY
• Model: DP C171.CAN BUS
• The housing material is PC and Acrylic, and
the button material is made of silicone.
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-UM-C-DP C171-EN November 2019
USER MANUAL FOR DISPLAY
7.3 PRODUCT DESCRIPTION
7.3.1 Specifications
• Rated voltage: 36V/43V/48V DC
• Operating temperature: -20℃~45℃
• Storage temperature: -20℃~50℃
• Waterproof: IP65
• Bearing humidity: 30%-70% RH
7.3.2 Functional Overview
• Speed display (including speed in real time
(SPEED), top speed (MAXS) and average
speed (AVG), switching between km and
miles)
• Switching between km and miles
• Battery capacity indicator
• Automatic sensors explanation of the light-
ing system
• Brightness setting for backlight
• Indication of performance support
• Walk assistance
• Kilometer stand (including single-trip dis-
tance, total distance)
• Display for the remaining distance.(Depends
on your riding style)
• Motor output power indicator
• Energy consumption indicator CALORIES
(Note: If the display has this function)
• Error messages view
• Service
• USB charge function
• Bluetooth function (it can be connected to
the phone to use the Bafang Go APP).
• The SEGMA heart rate monitor can be con-
nected to display the heart rate in real time.

4BF-UM-C-DP C171-EN November 2019
7.4 DISPLAY
112
13
14
16
15
17
3
119
6
4
7
8
2
5
10
1Display of battery capacity in real time.
2Menu.
3Service: please see the service section.
4Digital speed display.
5Speed mode , top speed (MAXS) - Average
speed (AVG).
6Kilometer stand, Daily kilometers (TRIP) -
Total kilometers (TOTAL).
7Data: Display data, which corresponds to the
current mode.
8Walking assistance .
9USB charging indicator displays the icon ,
if an external USB device is connected to the
display.
10 Bluetooth indicator.
11 The display shows this symbol, if the
light is on.
12 Error indicator .
13 Error code indicator.
14 Speed unit.
15 Unit indicator.
16 Remaining distance (RANGE).
17 Support level

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BF-UM-C-DP C171-EN November 2019
USER MANUAL FOR DISPLAY
7.5 KEY DEFINITION
Light On/Off
System On/Off
OK/Enter
Up
Down
7.6 NORMAL OPERATION
7.6.1 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.
If the "automatic shutdown time" is set to 5 minutes (it can be set with the "Auto Off" function, See
"Auto Off"), the display will automatically be turned off within the desired time when it is not in
operation.
7.6.2 Selection of Support Levels
When the display is turned on, press (<0.5S) the or button to switch to the support 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 null.

6BF-UM-C-DP C171-EN November 2019
7.6.3 Selection mode
Briefly press (<0.5s) the button to see the different trip modes. Trip: daily kilometers (TRIP) - to-
tal kilometers (TOTAL) - Maximum speed (MAXS) - Average speed (AVG) - Remaining distance
(RANGE) - Output power (W) - Energy consumption (C (only with torque sensor fitted)).
7.6.4 Headlights / backlighting
Hold (>2S) the button to activate the headlight and backlight.
Hold (>2S) the button again to turn off the headlight and backlight. The brightness of the
backlight can be set in the display settings "Brightness". (If the display /Pedelec is switched on in a
dark environment, the display backlight/headlight will automatically be switched on. If the display
backlight/headlight has been manually switched off, the automatic sensor function is deactivated.
You can only turn on the light manually after switching on the system again.)

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BF-UM-C-DP C171-EN November 2019
USER MANUAL FOR DISPLAY
7.6.5 Walk Assistance
The Walk assistance can only be activated
with a standing pedelec.
Activation: Briefly press (<0.5S) the
button until to level null, and then press
(<0.5s) the button, the symbol is
displayed. Now hold down the button
and the Walk assistance will activate. The
symbol will flashes and the pedelec
moves approx. 6 km/h. After releasing the
button, the motor stops automatically and
switches back to level null (if no any option
be activated in 5 second). If no speed signal
is detected, it shows 2.5km/h.
7.6.6 Battery capacity indication
The battery capacity is showed in ten bars.
Each full bar represents a remaining capacity
of the battery in a percentage, if the frame
of indicator blinks that means to charge. (as
shown in the figure below):
Bars Charge in Percentage
10 ≥90%
9 80%≤C<90%
8 70%≤C<80%
7 60%≤C<70%
6 50%≤C<60%
5 40%≤C<50%
4 30%≤C<40%
3 20%≤C<30%
Bars Charge in Percentage
2 10%≤C<20%
1 5%≤C<10%
Blinking C<5%
7.6.7 USB charge function
If an external USB device is connected to the
display, the icon appears, the device will
be charged. The maximum charging voltage
is 5V and the maximum charging current is
500mA.
7.6.8 Bluetooth function
This display can connect via Bluetooth
to mobile phone and communicate with
Bafang Go APP. The Information of motor,
display, battery, sensor and controller infor-
mation can be displayed on mobile phone,
and it can update the firmware of Pedelec by
using APP via mobile phone.
If open the APP and connect the display,
after connected to the mobile, the Bluetooth
indicator will be lighted as shown below:

8BF-UM-C-DP C171-EN November 2019
7.7 SETTINGS
After the display is turned on, quickly press
(<0.3S) the button twice to access the
“MENU” interface. pressing the or
button, you can select and reset the options.
Then press (<0.3S) the button twice to
confirm your selected option and to return
to the main screen. If no button is pressed
within 10 seconds in “MENU” interface, the
display will automatically return to the main
screen and no data will be saved.
7.7.1 Setting
7.7.1.1 Reset mileage
When the system is on, quickly press
(<0.3S) the button twice to access the
“MENU” interface and “tC” appears on the
display (as shown below). Now using the
or button, choose between “y”(YES) or
“n”(NO). If choose “y”, the Daily kilometers
(TRIP), Maximum speed (MAX) and Average
speed (AVG) will be reset.
Once you have chosen your desired selec-
tion, press (<0.3S) the button twice to
save and return to the main screen, or you
can press (<0.3S) the button once to
save and enter next item "Selection of unit
in km/Miles".
NOTE: If the daily kilometers accumulate
99999km, the daily kilometers will be reset
automatically.
7.7.1.2 Selection of unit in km/Miles
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press the
button until the “S7” appears on the
display (as shown below). Now using the
or button, choose between “km/h”
or “mile/h”.
Once you have chosen your desired selec-
tion, press (<0.3S) the button twice
to save and return to the main screen,
or you can press (<0.3S) the button
once to save and enter next item "Set light
sensitivity".
7.7.1.3 Set light sensitivity
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press
the button until the “bL0” appears
on the display (as shown below). And then
press to increase or to reduce (light

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BF-UM-C-DP C171-EN November 2019
USER MANUAL FOR DISPLAY
sensitivity for 0-5). Chose 0 means turn off
the light sensitivity.
Once you have chosen your desired selec-
tion, press (<0.3S) the button twice
to save and return to the main screen, or
you can press (<0.3S) the button once
to save and enter next item "Set display
brightness".
7.7.1.4 Set display brightness
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press the
button until the “bL1” appears on the
display (as shown below). And then press
to increase or to reduce (brightness
for 1-5).
Once you have chosen your desired selec-
tion, press (<0.3S) the button twice to
save and return to the main screen, or you
can press (<0.3S) the button once to
save and enter next item "Set Auto Off".
7.7.1.5 Set Auto Off
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press the
button until the “OFF” appears on the
display (as shown below). And then press
to increase or to reduce (brightness
for 1-9minute).
Once you have chosen your desired selec-
tion, press (<0.3S) the button twice to
save and return to the main screen, or you
can press (<0.3S) the button once to
save and enter next item "Service Tip".
7.7.1.6 Service Tip
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press the
button until the “nnA” appears on the
display (as shown below). And then press
or to choose between “0” or “1”.
Chose 0 means turn off the notification.
Once you have chosen your desired selec-
tion, press (<0.3S) the button twice to
save and return to the main screen.
NOTE: If the “Service" function switch on,
every 5000 km (the mileage of more than
5000 km) the indicator " " is dis-
played every time at switch on.

10 BF-UM-C-DP C171-EN November 2019
7.7.2 View Information
All data in this item cannot be changed, only to
be viewed.
7.7.2.1 Wheel Size
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press the
button until the “LUd” appears on the
display (as shown below).
Once you have viewed your desired informa-
tion, press (<0.3S) the button twice to
save and return to the main screen, or you
can press (<0.3S) the button once to
enter next item "Speed Limit".
7.7.2.2 Speed Limit
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press the
button until the “SPL” appears on the
display (as shown below).
Once you have viewed your desired informa-
tion, press (<0.3S) the button twice to
save and return to the main screen, or you
can press (<0.3S) the button once to
enter next item "Controller hardware info".
7.7.2.3 Controller hardware info
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press
the button until the “CHc (Controller
Hardware check)” appears on the display (as
shown below).
Once you have viewed your desired informa-
tion, press (<0.3S) the button twice to
save and return to the main screen, or you
can press (<0.3S) the button once to
enter next item "Controller software info".
7.7.2.4 Controller software info
When the system is on, quickly press
(<0.3S) the button twice to access
the “MENU” interface, repetitively press
the button until the “CSc (Controller
Software check)” appears on the display (as
shown below).
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