BIGSTONE C800-TFT User manual

C800-TFT Instructions
Nanjing Bigstone Electronic & Technology co.,Ltd

www.bigstone-nj.com
Address：NO.35 PuZhou Road, PuKou District, Nanjing City, China
Tel：[phone]
Fax：025 – 58849541
Email: [e-mail]
page 1
CONTENT
ABOUT THE USER MANUAL…………………………………………......………........………….. 2
OUTLOOK AND SIZE………………………………………………....….……....…………….…… 2
MATERIAL AND COLOR …………………………………………………………………………… 2
BUTTON DEFINITION…………………….......................................................................………….. 3
FUNCTION SUMMARY…………………..............................................................…………………. 4
FUNCTION SUMMARY…………………………………………………………………………….4
FULL VIEW AREA…………………………………………………………………………………..5
NORMAL VIEW AREA…………………………………………………………………...................6
NORMAL OPERATION…………………………………………………..…….………………....….6
1.ON/OFF…………………………………………………………………………………………… 6
2.RIDING MODE SELECTION………………………………………………………….………… 7
3. SPEED DISPLAY……………………………………………………………………………...….. 7
4. KM/H & MPH………………………………………………………………………………... …7
5. LIGHT INDICATOR………………………………………………………………… ……… ..… 7
6. 6KM/H WORK..................................................................................................................................7
7. PAS LEVEL SELECTION................................................................................................................ 8
8. ERROR CODE INDICATOR............................................................................................................8
9.BATTERY INDICATOR……………………………………………………… ………………….
8
10.SETTING OPEERATION……………………………………………………….…….……...….. 9
11. AUTO SLEEP AFTER 5
MINUTES…………………………………………………...……… .15
COMMON PROBLEMS & SOLUTIONS……………………………………………….....….….. 16
QUALITY & WARRANTY…………………………………………………………..…….......….... 16
QUALITY & WARRANTY…………………………………………………………………………16
OTHER ITEMS ………………………………………………………………………………… … 16
ERROR CODE TABLE…………......……………………………………..………………..…....…..17

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Tel：[phone]
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page 2
ABOUT THE USER MANUAL
Dear users
To ensure better performance of your e-bike, please read through the
C800 product introduction carefully before using it. We 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
C800 products are made of black metal material and the bracket 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
C800 has four buttons including ON/OFF 、SET 、UP and DOWN.
“ON/OFF” names to “ ”, “SET” names to “SET”;“UP” names to “ ＋”
and “DOWN” names to “－”.

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page 4
FUNCTION SUMMARY
FUNCTION SUMMARY
C800 provides a wide range of functions and indicators to fit the users’
needs. The indicated contents are as below.
1. Riding mode selection
2. Speed display
3. KM/H & MPH
4. Light indicator
5. 6KM/H work
6. PAS level selection
7. Error code indicator
8. Total distance (ODO) and Trip
9. Battery capacity

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page 5
FULL VIEW AREA
NORMAL VIEW AREA
With the display on ,the default display are riding speed、trip distance、
ODO、PAS level、battery indicator as show in fig below.

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page 6
NORMAL OPERATION
1.ON/OFF
Hold ON/OFF and start the display. The display will provide power
for the controller. Hold ON/OFF again can open the light. With display
on, press ON/OFF for 3 seconds to turn off the power. With the display
off, there is no battery consumption battery power. The leakage current is
no more than 2µA.

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page 7
2. RIDING MODE SELECTION
There are three modes for riding with arrow selection, including
POWER，STD and ECO. The default option is NORMAL.
ECO:limited current is about 6A,it is suitable for elderly.
STD:limited current is about 10A,it is suitable for riding in city.
ECO:limited current is about 15A,it is suitable for young and Mountain
bike.
3. SPEED DISPLAY
The speed display is as below，and user can select KM/H or MPH in
4. KM/H & MPH
Select KM/H or MPH for the speed and mileage, display will be to the
currently selected units display.
5. LIGHT INDICATOR
With the power on, click the ON/OFF and turn on the light of bike. Click
it again and turn off the light.
6. 6KM/H WORK
Hold the DOWN for 2 seconds to get in 6km PAS work, and with your hand
off, the 6km PAS work is released.

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page 8
7. PAS LEVEL SELECTION
Click UP or DOWN to change the stages and output power ratio, the
default mode is mode 5 and it’s output power range from level 1 to level
5 (mode 3、mode 6 and mode 9 can be customized, details in advance
setting), the default value is level 1.
8. ERROR CODE INDICATOR
If there is something wrong with the electronic control system, the
error code and error message will display in the top of screen. See the last
page Error code table for details.
※Display return to normal only after problem being fixed and e-bike
will not run before fixing the problem.
9. BATTERY INDICATOR
9.1 Battery residual capacity indicator
The battery frame have five segments, each segment represent 20%
battery capacity. When the battery capacity is full, the five battery
segments are all light. In low battery, the outside edge of the battery
frame will flash. It indicates that the battery is severely low and needs to
be recharged immediately.
※See the picture for above messages in Full View Area .

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page 9
10. SETTING OPERATION
Hold the SET for 2 seconds and enter into the setting interface, click “+”
“-”to select the setting item, then click SET again, when the color of the
setting item turns green, then user can press “+” or “-” to select the
wanted parameter, and after the parameters have been changed, click SET
again, the color will turn white and this setting item has been finished.
10.1：Trip Clear
Nmeans NO, Ymeans YES. Select “Y” and when user return main
interface, user will find the Trip has been cleared.

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page 10
10.2: Brightness
Click “+”, “-” to change the level, 1 means the darkest, 5 means the
brightest.
10.3：Speed Limit
The max speed is 99.9 km/h for the default, user can modify the value of
max speed, when the riding speed exceeds the set value, the controller
will limit the speed to set value, in order to ensure the safety of rider.
※The max speed value range from 20 km/h to 99.9 km/h. When set
max speed 99.9 km/h, there is no limit for riding speed.

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page 11
10.4：Wheel Size
Select the suitable value to ensure the accuracy of display about speed
and mileage.
The set value can be 16, 20, 24, 26, 700C, 28 (unit: inch)

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page 12
10.5：Units: KM/H & MPH
Select MPH or KMH for the speed and mileage, display will be the
currently selected units display.
10.6: Battery
The battery voltage can be set to 24V, 36V or 48V. This parameter need to
be consistent with the actual parameter of user’s e-bike.

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page 13
10.7: Advance setting
Click SET to enter advance setting interface.
(1) Current Limit: the range of this value is 3 - 18.
(2) Poles In Motor: the value can be set to 1 or 6.This parameter need to
be consistent with the actual parameter of motor.
(3) Start After Poles: the range of this value is 2 – 16.
(4) Throttle 6KM: select Yand turn the throttle, enter 6KM mode, select
Nmeans the mode of throttle is normal.
(5) Throttle Level: (valid when select N in the Throttle 6KM) Ymeans
throttle with different level, Nmeans throttle with one level.
(6) Assist levels: it can be set to 3,5,6,9. If user select 3, the range of
assist levels is 1-3.

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page 14
(7) Password: user can set the power-on password, default no password.
The boot interface:
(8) Exit.
10.8: Information
Click SET enter information interface.
HW ver: Hardware version. SW ver: Software version.

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page 15
10.9: Save & Exit
Click SET, the set information will be saved and exit the setting interface.
11: AUTO SLEEP AFTER 5 MINUTES
When the riding speed is 0 km/h for 5 minutes, the system will go to
sleep automatically.

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page 16
COMMON PROBLEMS & SOLUTIONS
Q：Why the display is not able to start up?
A：Checking the connector that between display and controller.
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. Wire is broken.

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page 17
5. Force disaster (such as fire, earthquake, etc.) or natural
disasters like lightning, etc caused by fault or damage.
6. Beyond Warranty period.
ERROR CODE TABLE
The error code is corresponding with the fault definition.
Error code
definition
0
normal
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