BIGSTONE C300S-LCD User manual

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Address：NO.38 Ningliu Road, Pukou District, Nanjing Cit , China
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C300S-LCD Instructions
Nanjing Bigstone Electronic & Technology co.,Ltd

www.bigstone-nj.com
Address：NO.38 Ningliu Road, Pukou District, Nanjing Cit , China
Tel：[phone]
Fax：025 – 58849541
Email: [email protected]
page 1
CONTENT
ABOUT THE USER MANUAL ............................................................................................................2
OUTLOOK AND SIZE ..........................................................................................................................2
M ATERIAL AND C OLOR .........................................................................................................................2
BUTTON DEFINITION ........................................................................................................................3
FUNCTION SUMMARY.......................................................................................................................4
F UNCTION S UMMARY ..........................................................................................................................4
F ULL V IEW A REA .................................................................................................................................6
N ORMAL V IEW A REA ..........................................................................................................................6
NORMAL OPERATION .......................................................................................................................7
1、MODE ............................................................................................................................................7
2、C URRENT DISPLAY ..........................................................................................................................7
3、S PEED DISPLAY ................................................................................................................................7
4、KM/H & MPH ................................................................................................................................8
5、B ACKLIGHT INDICATOR ...................................................................................................................8
6、6 KM/H WORK ................................................................................................................................8
7、A SSIST L EVEL SELECTION ...............................................................................................................8
8、E RROR CODE INDICATOR .................................................................................................................9
9、SET OPEARATION .......................................................................................................................9
10、DISTANCE INDICATOR ..........................................................................................................10
11、B ATTERY INDICATOR ................................................................................................................... 11
12、C ABLE DEFINITION ...................................................................................................................... 11
13、A UTO SLEEP AFTER 5 MINUTES ....................................................................................................12
PREPARATION BEFORE OPEN THE POWER............................................. 错误！未定义书签。
INSTALLATION INSTRUCTIONS...................................................................................................12
COMMON PROBLEMS & SOLUTIONS.........................................................................................12
QUALITY & WARRANTY .................................................................................................................13
QUALITY & WARRANTY：.........................................................................................................13
OTHER ITEMS：............................................................................................................................ 13
VERSION CHAN E ...........................................................................................................................13
ERROR CODE TABLE .....................................................................................................................145

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page 2
ABOUT THE USER MANUAL
Dear users,
To ensure better performance of your e-bike, please read through the
C300S-LCD product introduction carefully before using it. e will
inform you all the details concisely（including hardware installation,
setting and normal use of the display）when using our display. Meanwhile,
the introduction will also help you solve possible confusion and
malfunction.
OUTLOOK AND SIZE
MATERIAL AND COLOR
C300S products are made of black ABS material and the buckle is made
of nylon material. Under the temperature of -20 to 60 , the shell ℃
material can ensure normal usage and good mechanical performance of
the products.
Dimension figure (unit: mm).

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page 3
BUTTON DEFINITION
C300S has three buttons, including MODE、UP and DOWN.
“MODE” names to “M”, “UP” names to “ ＋” and “DO N” names
to “－”.

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page 4
FUNCTION SUMMARY
FUNCTION SUMMARY
C300S provides a wide range of functions and indicators to fit the
users’ needs. The indicated contents are as below.
1. MODE
2. Current display
3. Speed display
4. KM/H & MPH
5. Backlight indicator
6. 6KM/H work
7. Assist level selection
8. Error code indicator
9. SET operation
10. Distance indicator
11. Battery indicator
12. Cable definition
13. Auto sleep after 5 minutes

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page 5
FULL VIEW AREA
NORMAL VIEW AREA
The normal viewing area of the C300S is shown below.

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page 6
NORMAL OPERATION
1
、
MODE
Hold MODE and start the display. The display will provide power
for the controller. Hold MODE again can open the backlight. ith
display on, press MODE for 1.5 seconds to turn off the power. ith the
display off, there is no battery consumption. The leakage current is no
more than 2 µA.
※ The panel will go to sleep when speed is less than 2 km/h for 5
minutes.
、
2 CURRENT DISPLAY
That represents the discharging current of the controller currently, each
segment is 2A, six segments is >=12A.
、
3 SPEED DISPLAY
It displays the current riding speed of e-bike. The speed display is as
below.

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、
4 KM/H & MPH
Select KM/H or MPH for the speed and mileage, display will be the
currently selected units display.
、
5 BACKLIGHT INDICATOR
ith the power on, hold UP for 1.5 seconds and turn on the backlight.
Click it again and turn off the backlight.
、
6 6 KM/H WORK
Hold DO N for 1.5 seconds and enter into the mode of power assist
walk. The e-bike is traveling at 6Km/h. Display as shown below.
、
ASSIST LEVEL SELECTION
Click UP or DOWN to change the stages and output power ratio, the

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page 8
output power range from level 1 to level 6 for the default (the levels can
be customized by user) , the default value is level 1.
、
8 ERROE CODE INDICAYOR
If there is something wrong with the electronic control system, the
display will flash at 1 HZ and show the error code automatically.
Different error code is corresponding with different fault information,
please see the last page Error code table for details.
、
9 SET OPEARATION
Hold DOWN & UP 2 seconds to enter into the mode of setting. Click
MODE to choose setting parameters and click DOWN & UP to exit
setup.
9.1 Reset trip distance, trip time and max speed

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page 9
Click DOWN to clear trip distance, trip time and max speed.
9.2 Max speed setting
The max speed is 40 km/h for the default. User can modify the value of
max speed, when the riding speed exceeds the set value, the controller
will stop supplying power to the e-bike, in order to ensure the safety of
rider. The max speed ranges from 20 km/h to 34 km/h and then the max
speed is 40km/h
.
※ Click UP or DOWN to select the limited speed.
9.3 Wheel diameter setting
Select the accurate wheel diameter value to ensure the accuracy of
display about speed and mileage.

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page 10
※ Click UP or DOWN to set the wheel diameter.
9.4 M/H & MPH
Click UP or DOWN to switch the KM/H & MPH selection.
9.5 Voltage choose
Click UP or DOWN to switch the 36V & 48V selection.
、
10 DISTANCE INDICATOR
ith the display on, click the MODE to switch the display information.
In turn shows ODO and trip time, trip distance, max speed, auto cycle
display.

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page 11
※
means auto cycle display.
11
、
BATTERY INDICATOR
hen the battery capacity is high, the six battery segments are all light.
hen the battery is low, the battery frame will flash. It indicates that the
battery is severely low and needs to be recharged immediately.
Low battery flash
12
、
CABLE DEFINITION
1 Red： Battery +
2 Blue： eak lock
3 Black： Battery-
4 Green: UART-RECEIVE (RXD)
5 hite: UART- SEND (TXD)

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page 12
13
、
AUTO SLEEP AFTER 5 MINUTES
hen the riding speed is less than 2 km/h for 5 minutes, the system will
go to sleep automatically.
INSTALLATION INSTRUCTION
The instrument is fixed on the handlebar, adjust the appropriate
perspective, and the button is arranged on the easy control position. In the
case of power failure the e-bike, the corresponding connector and
connector controller instrument for inserting installation can be
completed. Attentions! Install the instrument from right to left and avoid
stretching buckle over angle.
Step1: Make the snap ring buckle into the handlebar in direction of
the arrow.
Step2: make the instrument slip insert the snap ring from right to
left.
Step3: Adjust the direction and tighten the low screw after
installation.
COMMON PROBLEM & SOLUTIONS
Q：hy the display is not able to start up？
A：Checking the connector that between display and controller.

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page 13
Q：How to deal with the error code?
A：Fix it to the maintenance place immediately. If cannot be
resolved, you can go to the electric vehicle repair points repair it in a
timely manner.
QUALITY & WARRANTY
QUALITY & WARRANTY ：
1、 Any quality problems in normal case and in guarantee
period, our company will responsible for the warranty
2、 The warranty time is 18 months from date of
purchasing.
OTHER ITEMS ：
The following items are not belong to warranty scope.
1. It can not be demolished.
2. The damage caused by wrong installation or operation.
3. Shell is broken when display is out of the factory.
4. ire is broken.
5. Force disaster (such as fire, earthquake, etc.) or natural
disasters like lightning, etc caused by fault or damage.
6. Beyond arranty period.
VERSION CHANGE
The instrument instructions are the operating instructions of
common software version of Nanjing Bigstone Electronic & Technology
Co., Ltd. (V3.1 version). The instrument software version that using on

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page 14
the part of the vehicle are likely different from this specification, with the
actual use of version shall prevail.
ERROR CODE TABLE
The error code is corresponding with the fault definition.
Error code definition
1 Current error or MOS damaged
2 Throttle error(Start detection)
3 motor no phase position
4 Hall error
5 Brake error(Start detection)
6 Under voltage
7 Motor stalling
8 communication controller receiving error
9 communication display receiving error