BAFANG DP E161.CAN User manual

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BF-UM-C-DP E161-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 Functional Overview 3
7.4 Display 4
7.5 Key Definition 4
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 Headlights / backlighting 5
7.6.4 Walk Assistance 5
7.6.5 Battery Capacity Indication 6
7.6.6 Bluetooth Function 6
7.7 Error Code Definition 7
7 USER MANUAL FOR
DP E161.CAN

2BF-UM-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-UM-C-DP E161-EN November 2019
USER 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

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

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BF-UM-C-DP E161-EN November 2019
USER MANUAL FOR DISPLAY
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.
7.6.2 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.
7.6.3 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)
7.6.4 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)

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7.6.5 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%
7.6.6 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-UM-C-DP E161-EN November 2019
USER MANUAL FOR DISPLAY
7.7 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 of throttle whether
they are correctly connected.
2. Disconnect the throttle, If the problem still
occurs, please contact your retailer.
(only with this function)
05 The throttle is not back in its correct
position.
Check the throttle can adjust back into its
correct position, if the situation does not
improve, please change to a new throttle.(only
with this function)
07 Overvoltage protection
1. Remove the battery.
2. Re-Insert the battery.
3. If the problem persists, please contact your
retailer.
08 Error with the hall sensor signal
inside the motor Please contact your retailer.
09 Error with the Engine phase’s Please contact your retailer.
10
The temperature inside the engine
has reached its maximum protection
value
1. Turn off the system and allow the Pedelec
to cool down.
2. If the problem persists, please contact your
retailer.
11 The temperature sensor inside the
motor has an error Please contact your retailer.
12 Error with the current sensor in the
controller Please contact your retailer.
13 Error with the temperature sensor
inside of the battery Please contact your retailer.

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Error Declaration Troubleshooting
14
The protection temperature inside
the controller has reached its maxi-
mum protection value
1. Turn off the system and let the pedelec cool
down.
2. If the problem persists, please contact your
retailer.
15 Error with the temperature sensor
inside the controller Please contact your retailer.
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
connected correctly.
4. If the error persists, please contact your
retailer.
25 Torque signal Error
1. Check that all connections are connected
correctly.
2. If the error persists, please contact your
retailer.
26 Speed signal of the torque sensor has
an error
1.Check the connector from the speed sensor
to make sure it is connected correctly.
2.Check the speed sensor for signs of damage.
3.If the problem persists, please contact your
retailer.
27 Overcurrent from controller Please contact your retailer.
30 Communication problem
1. Check all connections are correctly con-
nected.
2. If the error persists, please contact your
retailer.
33 Brake signal has an error
(If brake sensors are fitted)
1. Check all connectors.
2. If the error continues to occur, please con-
tact your retailer.

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BF-UM-C-DP E161-EN November 2019
USER MANUAL FOR DISPLAY
Error Declaration Troubleshooting
35 Detection circuit for 15V has an error Please contact your retailer.
36 Detection circuit on the keypad has
an error Please contact your retailer.
37 WDT circuit is faulty Please contact your retailer.
41 Total voltage from the battery is too
high Please contact your retailer.
42 Total voltage from the battery is too
low Please contact your retailer.
43 Total power from the battery cells is
too high Please contact your retailer.
44 Voltage of the single cell is too high Please contact your retailer.
45 Temperature from the battery is too
high Please contact your retailer.
46 The temperature of the battery is
too low Please contact your retailer.
47 SOC of the battery is too high Please contact your retailer.
48 SOC of the battery is too low Please contact your retailer.
61 Switching detection defect Please contact your retailer. (only with this
function)
62 Electronic derailleur cannot release Please contact your retailer. (only with this
function)
71 Electronic lock is jammed Please contact your retailer. (only with this
function)
81 Bluetooth module has an error Please contact your retailer. (only with this
function)