LOPOWER w108 Folding Electric Bike Instruction Manual
- June 1, 2024
- LOPOWER
Table of Contents
- Product name
- Specifications and parameters
- Appearance, material and size
- Instrument installation
- Overview of functions
- Show instructions
- Keys
- often, regulation operation
- Regular Settings
- Advanced settings
- Battery communication shall display the Information
- Error code definition table
- Definition of outgoing qualification
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
SPECIFICATION
– w108
Product name
Screen instrument, model W108.
Specifications and parameters
- 36V / 48V / 48 / 52V DC power supply;
- Instrument rated working current of 10 mA;
- The maximum working current of the instrument is 30 mA;
- Shutdown leakage current is <1 uA:
- Operating current of the supply controller end is 50 mA;
- Usage temperature-20 45° C;
- Storage temperature-30 70° C:
- Waterproof grade: IP65
- Storage environment humidity: 30% —70%.
Appearance, material and size
A. Appearance material
Product shell adopts black PC material, display window adopts PC transparent
material, button adopts silicone rubber material, and support adopts black PC
material.
b. Appearance size
Instrument installation
Attach the meter to the handlebars and adjust the right view. In the case of
power failure of the electric bicycle, insert the instrument connector with
the connector corresponding to the controller to complete the installation.
The card is suitable for three kinds of handlebars specifications, 3l.8mm,
25.4mm, 22. 2mm, Customers can choose according to the actual needs. Among
them, 25. 4mm and 22.2mm need to be matched with the corresponding transfer
ring, and the assembly of the transfer ring is directional. Pay attention to
the opening direction of the connecting ring below, which must be installed in
the direction of the drawing.
Overview of functions
- Power gear adjustment and indication.
- Speed display (including maximum speed and average speed, public mile unit switch).
- Single ride time and clock are shown.
- Mileage display (including single mileage, total mileage).
- Help to implement control and display.
- Headlamp switch control and indicator.
- Battery information to view.
Show instructions
Keys
often, regulation operation
A, boot, and shutdown
Long press the “MODE” key to boot up. Long press the “MODE” key to shut down.
Suggestion: If you do not use the electric car for more than 4 hours, please
take down the battery of
the electric car from the car and store it reasonably.
b . Switch between cycling gear position and booster mode Switch cycling gear:
press the “+” key to increase the gear, press the “—” key to reduce the gear.
Enter and exit the boost mode: in the power-on state, press and hold down the
“-” key for about 3 seconds to enter the walking boost mode, and release the
“-” button to return to the cycling gear.
Warning: Walking boost mode is only suitable for use on walking carts, do not
use during cycling.
c . Turn the backlight on and off In the boot state, press “+” for 2 seconds
to turn on the backlight, and then press “+” for 2 seconds to turn off the
backlight. If the car is equipped with the front / rear headlights, the
headlights will be turned on or off together with the backlight.
d. Single mileage zero In the boot state, press and hold down the “MODE” key
and “—” key for 2 seconds, a single mileage zero.
e . Single mileage / total mileage switch In the boot state, short press the
button to switch between sing le mileage and total mileage. Single mileage
show
The display interface is as follows: The total mileage display interface is as
follows:
f . battery status
The remaining capacity of the battery display and the corresponding capacity
are shown below:.
Regular Settings
a. Km / mile system setup
After boot, press the “+” keys and “-” keys at the same time , and enter the
general setting state after 3 seconds, Short press + or-to switch km / mile.
The setup interface is shown below:
b . Speed limit setting After selecting km / mi, short press “MODE” key to
enter the speed limit setting, short press “+” key Increase the speed limit
speed , and short press the “-” key to reduce the speed limit speed.
The setup interface is shown below:
Note: the motor output power continues to attenuate when the wheel speed
reaches or exceeds the set value. For cycling safety, it is recommended to set
the speed limit at 25 Km / H and below.
c . Back brightness setting
After selecting the speed limit speed, short press “MODE” key to enter the
backlight brightness setting, short press “+ key to increase the backlight
brightness,
Short press the “-” key to reduce the backlight brightness. Setting range:
1-8. The interface is shown below:
d. Clock Settings
After selecting the backlight brightness, press “MODE” key to enter the clock
setting. Set the hour (24 hours), press “+” key to increase the hour value,
and press “—” key to reduce the hour value. After selecting the hour value,
press “MOD E” to enter the minute setting, press “+” to increase the minute
value, press “—” to reduce the minute value, and press “MODE” to exit the
setting, the setting interface is as follows:
Note: After the parameters are set, the instrument needs to be switched on and off before the setting takes effect.
Advanced settings
a . Wheel diameter setting After boot, press the “+” key and “-” key at the
same time, 3 seconds later, enter the normal setting state, release all the
keys, then press the “+” key and “-” key, and then press the “MODE” key for 8
times, enter the advanced Settings. The first set is the wheel diameter (unit:
inch), short press “+” key to increase the wheel diameter, short
press “-” key to reduce the wheel diameter. Setting range: 8-32; unit: in. The
setup interface is shown below:
b . Automatic power-off time setting
After selecting the wheel path, press “MODE” to enter the automatic power off
time setting, press “+” to increase the automatic power off time, and press
“-” to reduce the automatic power off time. Setting range: 0-60; unit:
minutes. When the car does no action within the set time range, the meter will
automatically Shut down and power off the instrument itself and the
controller. The setup interface is shown below:
Note: If the automatic power off time is set to 0, it means that the power
will not fail automatically and must be manually off.
C . Total digit setting After selecting the power off time, press “MODE” key
to enter the master level setting interface. 3/5 / 9 file is optional.as
illustrated in following figure:
Note: Total gear number does not include parking gear that is 0. For example,
if the total gear number is set to 38, then the actual gear number is 0,1,2,3.
After the parameters are set, the instrument needs to be switched on and off
again before the setting takes effect.
d. Fault code display When the electric control system of the electric vehicle
fails, the instrument will automatically display the error code, the error
code See the 12 error code definition table, and the fault code display
interface is shown below:
Battery communication shall display the Information
| Tempo | Display | Defined units |
|---|---|---|
| P1 | Charge/discharge times | |
| P2 | Full capacity | mah |
| P3 | Remaining Capacity | mah |
| P4 | Total Voltage | my |
| P5 | Maximum Uncharged Time | h |
| Pb | Battery Temperature | °C |
| P7.1 | Cell 1 Voltage | V |
| P7.2 | Cell 2 Voltage | V |
| ••• | ••• | |
| P7.0 | Cell 12 Voltage | V |
| P8 | Average current | A |
| P9 | Absolute state of charge | |
| P10 | Relative state of charge | |
| P11 | Last uncharged time | h |
Error code definition table
| Error Code | Hidden Meaning | Note |
|---|---|---|
| 0.00E+00 | Brake is applied | Meter does not display |
| 0.00E+00 | Turnbuckle does not return to position | |
| (stops in high position) | ||
| 0.00E+00 | Turnbuckle malfunction | |
| 0.00E+00 | Under voltage protection | |
| 0.00E+00 | Over voltage protection | |
| 0.00E+00 | Motor hall signal wire fault | |
| 0.00E+00 | Motor phase wire fault | |
| EIO | Motor high has reached protection point | |
| Ell | Motor temperature sensor fault | |
| 0.00E+00 | Current sensor failure | |
| 0.00E+00 | Battery internal temperature fault | |
| 0.00E+00 | Controller temperature has reached | |
| temperature protection point | ||
| 0.00E+00 | Temperature sensor fault in controller | |
| 0.00E+00 | Speed sensor failure | |
| 0.00E+00 | BIS communication failure | Meter can not read the information |
display –
does not display the code
0.00E+00| Headlight fault|
0.00E+00| Headlight sensor fault|
0.00E+00| Torque sensor torque signal fault|
0.00E+00| Torque Sensor Speed Fault|
0.00E+00| Communication Failure| Meter automatically detects communication
failure controller does not upload this message
Definition of outgoing qualification
| pigment | function declaration | Connect plug-in view |
|---|---|---|
| red | The P + instrument power supply is positive | 
blue| PL key press signal
black| The GND instrument
power supply is negative
green| The TXD newsletter, RX
yellow| RXD communication TX