ENGWE BC281 User manual

Manual
BC281 Model(DTK5)
Version: V1.0

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Contents
Product Description and Specifications ............................................................... 3
Parts Description ....................................................................................... 3
Function introduction ..................................................................................... 4
Features.................................................................................................. 4
Buttons Functions ...................................................................................... 4
Operation .................................................................................................... 5
Power on/off ............................................................................................ 5
Riding interface......................................................................................... 5
Assist level switch ...................................................................................... 7
Error Code ............................................................................................... 7
User Menu................................................................................................ 8
Connect to APP (only for Bluetooth version) ..................................................... 12
Attentions...................................................................................................13
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Contents
Product Description and Specifications ............................................................... 3
Parts Description ....................................................................................... 3
Function introduction ..................................................................................... 4
Features.................................................................................................. 4
Buttons Functions ...................................................................................... 4
Operation .................................................................................................... 5
Power on/off ............................................................................................ 5
Riding interface......................................................................................... 5
Assist level switch ...................................................................................... 7
Error Code ............................................................................................... 7
User Menu................................................................................................ 8
Connect to APP (only for Bluetooth version) ..................................................... 12
Attentions...................................................................................................13
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Contents
Product Description and Specifications ............................................................... 3
Parts Description ....................................................................................... 3
Function introduction ..................................................................................... 4
Features.................................................................................................. 4
Buttons Functions ...................................................................................... 4
Operation .................................................................................................... 5
Power on/off ............................................................................................ 5
Riding interface......................................................................................... 5
Assist level switch ...................................................................................... 7
Error Code ............................................................................................... 7
User Menu................................................................................................ 8
Connect to APP (only for Bluetooth version) ..................................................... 12

Attentions...................................................................................................13

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Product Description and Specifications
DTK5 Remote BC281 Display
Parts Description
Display Dimensions

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DTK5 Remote Dimensions
Function introduction
Features
BC281 supports the common riding parameters and statistical results, as well as some useful functions:
Real-time speed, Max speed, Average speed
Real-time motor power
Battery indicator
Assistant level
Odometer, trip
Trip time
Calorie burnt
Light indicator
Metric(km/h)/Imperial(mph) switching
Error codes indicator
Auto headlights, Brightness adjustment, automatic backlight
Auto Power-off
USB Port（5V/500mA）
In addition, the Bluetooth version also supports the following functions:
APP connection
Data synchronization
Riding ranking
Riding track recording
Buttons Functions
Buttons
Name
Functions
[ ]
1
、
Power on/off
2
、
Setting confirmation
[ ]
1
、
Parameter adjustment
2
、
Menu operation
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[ ]
1、Parameter adjustment
2、Push mode on/off
3、Menu operation
[ ]
[ ]
Operation
Power on/off
Long press the [ ] button to power on, the boot interface will be shown for about 1.5s, followed by the
riding interface:
In any interface, long press the [ ] button, the shutdown interface will be shown for about 2s before power
off:
Riding interface

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[ ]
1
、
Parameter adjustment
2、Push mode on/off
3
、
Menu operation
[ ]
[ ]
Operation
Power on/off
Long press the [ ] button to power on, the boot interface will be shown for about 1.5s, followed by the
riding interface:
In any interface, long press the [ ] button, the shutdown interface will be shown for about 2s before power
off:
Riding interface
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[ ]
1、Parameter adjustment
2、Push mode on/off
3、Menu operation
[ ]
[ ]
Operation
Power on/off
Long press the [ ] button to power on, the boot interface will be shown for about 1.5s, followed by the
riding interface:
In any interface, long press the [ ] button, the shutdown interface will be shown for about 2s before power
off:
Riding interface
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[ ]
1、Parameter adjustment
2、Push mode on/off
3、Menu operation
[ ]
[ ]
Operation
Power on/off
Long press the [ ] button to power on, the boot interface will be shown for about 1.5s, followed by the
riding interface:
In any interface, long press the [ ] button, the shutdown interface will be shown for about 2s before power
off:
Riding interface

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BC281 provides various styles of riding interface, which can be switched by clicking the [ ] button:
1. Simple mode
2. Sports Mode
3. Statistical Mode
Battery indicator
Light indicator
Real-time speed
Speed unit
Real-time motor power
Trip distance
Assist level
Battery indicator
Battery indicator
Real-time speed
Real-time speed
Speed unit
Speed unit
Trip distance
Trip distance
Assist level
Assist level
Real-time motor power
Calorie
burnt
Calorie
burnt
Riding time
Average Speed
Trip time
Max speed
Odometer
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[ ]
1、Parameter adjustment
2、Push mode on/off
3、Menu operation
[ ]
[ ]
Operation
Power on/off
Long press the [ ] button to power on, the boot interface will be shown for about 1.5s, followed by the
riding interface:
In any interface, long press the [ ] button, the shutdown interface will be shown for about 2s before power
off:
Riding interface

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Assist level switch
Click [ ] or [ ] to switch assist levels;
Press and hold the [ ] button to enter the push mode, and release to exit.
Error Code
Common error codes are as follows(Only for reference, depending on other electrical parts of the
ebike):
KM5S protocol Error Code
Error Code Meaning
21 Current or Mos Error
22 Throttle Error
23 Motor Phase Error
24
Motor Hall Error
25
Brake Error
26
Low-voltage protection
30 Communication Error
Li2 protocol Error Code
Error Code
Meaning
02
Brake Error
06
Low-voltage protection
07 Motor Phase Error
08 Throttle Error
09 Current or Mos Error
14 Motor Hall Error
30
Communication Error

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User Menu
To enter the user menu, please long press the [ ] button for 2s on the riding interface when static.
To ensure the user’s safety, it can only be accessed when static (when the speed is 0). In this interface, you
can switch the submenu by clicking the [ ] or [ ] button, and enter the submenu by clicking the [ ] button
1、Clear Data
（1）Clear Trip Data
Select "Trip Distance" and click the [ ] button to enter it, you can clear the trip distance or not
under the guidance of the interface prompts:

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[Note] The trip time, max speed, average speed, and calories burnt will be also cleared by this
operation.
（2）Factory Reset
Select "Factory Reset" and click the [ ] button to enter it, you can reset the parameters:
2、Setup

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（1）Auto Headlight
Select Auto Headlight and click the [ ] button to enter the submenu, you can enable or disable
the automatic headlight function:
（2）Set Unit
Select Set Unit and click the [ ] button to enter the submenu, you can select the unit:
（3）Set Brightness
Select Set Brightness and click the [ ] button to enter the submenu, you can use the [ ] or [ ]
button to adjust the backlight brightness level in the range of 0-5:

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（4）Set Auto Power-Off
Select Auto Power-Off and click the [ ] button to enter the submenu. You can use the [ ] or
[ ] button to adjust the automatically power off time in the range of 0-99, where 0 means not
to automatically power off:
3、System Info.
Enter System Info, to view system information：

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Connect to APP (only for Bluetooth version)
1、Scan the following QR code to download the APP:
2、Select Connect to APP in the user menu to get the Bluetooth connection QR code, and scan it with
the APP to connect:
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
Attentions
1. Be sure to power of first before connecting and disconnecting the cable, or the display will be totally
damaged;
2. When fix the display to the ebike, please ensure that the torque of the screwdriver is about 0.2Nm
(DO NOT EXCEED 0.6Nm), or it will cause damages to the handle;
3. Do not put the display into water;
4. The display can be wiped with wet and soft cloth, but DO NOT use any chemical liquid or spray on
the display;
5. Please abide by local laws and regulations when scrapping, discard or recycle in an environmentally
friendly way, and do not discard the instrument or any accessories as resident waste;
6. The damage and failure of the instrument caused by improper installation or use are not covered by
the after-sale warranty.
7. For more information and support, please contact [e-mail].
[email protected]