BIGSTONE C500B-LCD User manual

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C500B-LCD Instructions
Nanjing Bigstone Electronic & Technology co.,Ltd

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Address：NO.38 Ningliu Road, Pukou District, Nanjing City, China
Tel：[phone]
Fax：025 – 58849541
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CONTENT
ABOUT THE USER MANUAL…………………………………………......………........………….. 2
OUTLOOK AND SIZE………………………………………………....….……....…………….…… 2
MA TERIAL AND SIZE……………………………………………………………………………… 2
BUTTON DEFINITION…………………….......................................................................………….. 3
FUNCTION SUMMARY…………………..............................................................…………………. 4
FUNCTION SUMMARY……………………………………………………………………………. 4
FULL VIEW AREA………………………………………………………………………………….. 6
NORMAL VIEW AREA…………………………………………………………………................... 6
NORMAL OPERATION…………………………………………………..…….………………....…..7
1.ON/OFF…………………………………………………………………………………………… 7
2. CURRENT DISPLAY……………………………………………………………………………... 7
3.RIDING MODE SELECTION………………………………………………………….………… 7
4. SPEED DISPLAY……………………………………………………………………………...….. 8
5. KM/H & MPH………………………………………………………………………………...…… 8
6. BACKLIGHT INDICA TOR……………………………………………………………………..… 8
7. 6KM/H WORK...........................................................................................................................9
8. PAS LEVEL SELECTION..........................................................................................................9
9. ERROR CODE INDICA TOR......................................................................................................9
10. SET OPERA TION………………………………………………………………………………. 10
11. DISTANCE INDICA TOR………………………………………………………………………. 11
12. TRIP TIME INDICA TOR……………………………………………………………….………. 13
13. BA TTERY INDICA TOR………………………………………………………….…………….. 13
14. MOBILE PHONE CHARGING INDICA TOR……………………………………………....…. 14
15. CABLE DEFINITION………………………………………………………………………….. 14
16. AUTO SLEEP AFTER 5 MINUTES…………………………………………………...……… .15
COMMON PROBLEMS & SOLUTIONS……………………………………………….....….….. 15
QUALITY & W ARRANTY…………………………………………………………..…….......….... 15
QUALITY & W ARRANTY…………………………………………………………………………15
OTHER ITEMS …………………………………………………………………………………… 15
ERROR CODE TABLE…………......……………………………………..………………..…....…..16

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Address：NO.38 Ningliu Road, Pukou District, Nanjing City, China
Tel：[phone]
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ABOUT THE USER MANUAL
Dear users,
To ensure better performance of your e-bike, please read through the
C500-LCD 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 SIZE
C500B products are made of black ABS 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.

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Dimension figure (unit: mm)
BUTTON DEFINITION
C500B 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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FUNCTION SUMMARY
FUNCTION SUMMARY
C500B provides a wide range of functions and indicators to fit the users’
needs. The indicated contents are as below.
1. ON/OFF
2. Current display
3. Riding mode selection
4. Speed display
5. KM/H & MPH
6. Backlight indicator
7. 6KM/H work
8. PAS level selection
9. Error code indicator
10. SET operation
11. Distance indicator
11.1 Total distance (ODO)
11.2 Trip distance
11.3 Remaining distance (without this function by default
)
12. Trip time indicator
13. Battery indicator

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13.1 Battery residual capacity indicator
13.2 Battery voltage
13.3 Battery capacity percentage (without this function by default)
13.4 Battery charging and discharging times (without this function
by default)
14. Mobile phone charging indicator
15. Cable definition
16. Auto sleep after 5 minutes

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FULL VIEW AREA
NORMAL VIEW AREA
With the display on ,the default display are riding speed、ODO、PAS
level、battery indicator as show in fig below. Press SET to switch the
display information. In turn shows: ODO, trip distance and trip time.

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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 backlight. 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.
※ The panel will go to sleep when the speed is 0 km/h for 5 minutes.
2. CURRENT DISPLAY
That represents the discharging current of the controller currently, each
mark is 2A, six segments is >=12A.
3. RIDING MODE SELECTION
There are three modes for riding with arrow selection, including
POWER，NORMAL and ECO. The default option is NORMAL.

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4. SPEED DISPLAY
The speed display is as below，and user can select KM/H or MPH in
SET4.
5. KM/H & MPH
Select KM/H or MPH for the speed and mileage, display will be to the
currently selected units display.
6. BACKLIGHT INDICATOR
With the power on, click the ON/OFF and turn on the backlight. Click it
again and turn off the backlight.
※If the e-bike has headlight, the controller will turn on/off the headlight
at the same time of the backlight on/off (without this function by default)

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7. 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. The display is as below.
8. PAS LEVEL SELECTION
Click UP or DOWN to change the stages and output power ratio, the
default mode is mode 6 and it’s output power range from level 1 to level
6 (mode 3 and mode 9 can be customized), the default value is level 1.
9. ERROR CODE INDICATOR
If there is something wrong with the electronic control system, the
display will flash at 1 HZ and show the error code automatically. See the

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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.
10. SET OPERATION
Hold the SET for 2 seconds and enter into the setting interface, then
Number 8 is lighting, the display will flash at 1 HZ. Click the SET to
cycle from 0 to 4 setting interface, press UP or DOWN to select the
wanted parameter, and hold the SET for 1 second to exit.
10.：1SET0: RIDING MODE SELECTION
There are three modes for selected: POWER、NORMAL、ECO.
10.2: SET1: RESET TRIP DISTANCE TO 0
Click the DOWN to reset the trip distance.

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10.：3SET2: MAX SPEED LIMITED SETTING
The max speed is 25 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 value range from 20 km/h to 40 km/h. The max
speed displays in speed display area.
10.：4SET3: WHEEL DIAMETER SETTING
Select the suitable value to ensure the accuracy of display about speed
and mileage.
10.：5SET4: KM/H & MPH
Select MPH or KMH for the speed and mileage, display will be the
currently selected units display.
※ Press UP or DOWN to select parameter, Hold SET for 1 second
to save and exit.
11. DISTANCE INDICATOR
With the display on, press SET to switch the display information, in turn
shows: ODO, trip distance.

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11.1 ODO
The ODO records the driving mileage from using, the
accumulated value cannot be cleared.
11.2 Trip distance
Trip distance is resetted by hand in the SET 1 interface.（when
the riding mileage >=500km, it will be resetted automatically. The
value will be accumulated without resetting.）
11.3 Remaining distance (the default is no)
This function need to be customized.

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12. TRIP TIME INDICATOR
The riding time parameter is automatically reset after shut down.
13. BATTERY INDICATOR
13.1 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.
Low battery flash

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13.2 Battery voltage
It displays the current voltage of this battery.
13.3 Battery capacity percentage (without this function by default)
Display the percentage of battery capacity. This function needs
customization.
13.4 Battery charging and discharging times (without this function by
default)
This function needs customization.
※ The panel display the voltage for the default.
14. MOBILE PHONE CHARGING INDICATOR
Press UP and SET for 2s and the USB icon will light.
15. CABLE DEFINITION
1 Red： Battery +
2 Blue： Weak lock
3 Black： Battery-
4 Green: UART-RECEIVE (RXD)
5 White: UART- SEND (TXD)

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16. AUTO SLEEP AFTER 5 MINUTES
When the riding speed is 0 km/h for 5 minutes, the system will go to
sleep automatically.
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 & W ARRANTY
QUALITY & W ARRANTY：
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

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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.
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