VINKA amslod DC40 User manual

DC40
VINKA Display
User Manual
VERSION
1.0

1
Product name and model
Name: Intelligent colored LCD for E-bike
Model: KD986
Specifications
●36V/48V Power Supply
●Rated working current: 50mA
●The maximum working current: 200mA
●Off-state leakage current: <1μA
●Operating temperature: -20℃~ 60℃
●Storage temperature: -30℃~ 70℃
Appearance and Size
◆Display appearance and dimensional drawing (unit: mm)

2
◆Remote control appearance and dimensional drawing (unit: mm)
Function Summary
DC40 can provide a lot of functions to fit the Users needs. The indicating contents are as
follows:
●Battery SOC indication
●Motor Power indication
●Assist-level indication and selection
●Speed indication (incl. running speed, Max. speed and Ave. speed)
●Odometer and trip distance
●The push-assistance control and indication
●Trip time indication
●Backlight On/Off
●Error code indication
●USB connection indicator
●Various Parameters Settings (e.g., wheel size, speed limit, voltage set, assistance level,
controller limited current, password enable/change/disable, etc.)

3
General Operation
◆Switching the E-bike System On/Off
Briefly press the power button to switch on the E-bike system and start to power up the
controller.
To hold the power button for 1 s again, the E-bike system will be switched off .The E-bike
system no longer uses the battery power.
When switching off the E-bike system, the leakage current is less than 1 μA.
■When no use of the bike for 15 minutes, the E-bike system switches off automatically.
◆Display Interface
When display is on, the default cycling mode is ECO. Long press i button to switch the cycling
modes between ECO, TOUR and BOOST.
Display Indication Interface

4
◆Switching Push-assistance Mode On/Off
To activate the push-assistance function, first short press i button and keep holding the “-”
button. After 1 s, The E-bike’s drive is activated at a uniform speed of 6 Km/h while the screen
displays “ ”. The push-assistance function is switched off as soon as you release the “-”
button on the operating unit .The E-bike system stops the power output immediately.
Push-assistance Mode
■Push-assistance function may only be used when pushing the E-bike.
Be aware of danger of injury when the wheels of the E-bike do not have ground contact
while using the push-assistance function.
◆Switching the Lighting On/Off
To switch on the headlight, hold the + button for 1s. The backlight brightness is
automatically reduced. Hold the + button for 1 s again, the lighting can be switched off.
Switching the Lighting On/Off Interface

5
◆Assist Level Selection
Briefly press "+" or "-" button to switch between assistance levels so as to change the motor
output power, The default assistance level ranges from level “0”to level “5”, The output
power is zero on Level “0”. Level “1”is the minimum power. Level “5”is the maximum
power. When you reach “5”, press the "+" button again, the interface still shows “5”, and
blinks at“5”to indicate the power highest. After the power downshift reaches “0”, press the
"-" button again, the interface still shows “0”and blinks at “0”to indicate the power minimum.
The default value is level “1”.
Assist Level Interface
◆Battery SOC Indicator
The battery SOC is displayed by 5 segments in green color. When battery is in high voltage,
all 5 segments are bright. When percentage is 0%, need to charge the battery immediately.
Battery SOC Indication Interface

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◆Motor Power Indicator
The power of the motor can be read via below interface, left yellow segments.
Motor Power Indication Interface
◆Error Code Indication
The components of the E-bike system are continuously and automatically monitored. When
an error is detected, the respective error code is indicated in text indication area.
Here is the detail message of the error code in Attached list 1.
Error Code Indication
■Have the display repaired when error code appears. Otherwise, you will not be able to ride
the bike normally. Please always refer to an authorized dealer.

7
Settings
Hold the On/Off button to switch on the display.
To access Settings page, hold both the “i” button and the “-” button simultaneously for more
than 1 s.
Setting interface
▉All the Settings operations are done to a stationary E-bike with no speed.
◆Wheel Size ( European version is not configurable)
Wheel Size represents wheel diameter settings. Wheel size is reported by the
controller .
“Wheel size”interface

8
◆Walk speed
Walk Speed represents walk assistance speed settings. press the “+” button or the
“-”button to choose the desired walk speed. Press “I” button to save a changed setting.
“Walk speed”interface
◆Speed Limitation Settings
Speed Limitation represents the limited speed settings. When the current speed is
faster than speed limit, the E-bike system will be switched off automatically. This speed
limit value is set by controller and it is not changeable.
“Speed limitation”interface

9
◆LCD brightness
LCD brightness represents backlight brightness settings. Level 5 is the highest
brightness. Level 1 is the lowest brightness. To change the backlight brightness, press
the “+” button or the “-” button to choose the desired level.
To store a changed setting, briefly press the “i” button to confirm.
“LCD brightness”interface
◆Unit type
Unit type represents toggling units between mph and km/h
To toggle the unit, press the “+” button or the “-” button to choose the desired unit and
press the “i”button to confirm The default unit is “Metric (km)”.
“Unit type”interface

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◆Assist indicator
Assist Indicator represents assist level settings。
Type C: level 0~5, 6 assist levels, press +/- to change the assist level.
“Assist indicator”interface
◆GSGI function：
GSGI means gear shifting calibrations, mainly for CALIB FD and CALIB RDIGH
GSGI gear shifting sensor can identify gear position and provide shift reminder to ensure that
riders have efficient and comfortable riding conditions.
“GSGI”interface

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◆About：
It is for checking the display and motor information, such as the display serial number, voltage
type ect..
“About”interface

12
Quality Assurance and Warranty Scope
ⅠWarranty
（1）The warranty will be valid only for products used in normal usage conditions.
（2）The warranty is valid for 24 months after the shipment or delivery to customers
ⅡThe following cases do not belong to our warranty scope.
1. The display is demolished.
2. The damage of the display is caused by wrong installation or operation.
3. Shell of the display is broken when the display is out of the factory.
4. Wire of the display is broken.
5. The fault or damage of the display is caused by the force majeure (e.g., fire,
earthquake, etc.).
6. Beyond Warranty period.
Warnings:
◆Use the display with caution. Don’t attempt to release or link the connector when battery is
on.
◆Try to avoid hitting the display.
◆Don’t modify system parameters to avoid parameter disorder.
◆Make the display repaired when error code appears.
*This manual instruction is a universal version for DISPLAY DC40. Some versions of
this display may be different from specification to specification as to the software. Please
always refer to an actual version.

13
Attached list 1: Error code definition
Error code
Definition
90
Torque Zero Error
11
Torque Out Range
92
Torque Sensor Fault
13
Gear Sensor Error
15
Speed Sensor Error
18
Cadence Error
20
PCB Over-Temp Warning
A1
PCB Over-Temp Error
22
PCB Sensor Fault
25
Motor Over-Temp Warning
A6
Motor Over-Temp Error
A7
Flash Error
80
Communication Lost
32
LORA Communication Lost
01
Communication CRC Error
40
Motor EST Error
41
Motor Over-Peak Current
C2
Motor Loss Phase
43
Motor Over DC Current
D0
Battery Over Voltage
51
Battery Low Voltage
52
Battery Over Current
E0
Battery Version Error
E5
Display Version Error