Dofern D2-5000w User manual

D2-5000W

User Manual

Table of Contents

Foreword...................................................................................................................2

Tips for safe riding.....................................................................................................3

Overall motorcycle structure.....................................................................................4

Operating instructions...............................................................................................6

Safe driving tips and precautions..............................................................................12

Fault phenomenon and troubleshooting...................................................................13

Inspection and maintenance.....................................................................................16

Circuit diagram and technical specifications.............................................................17

Foreword

Dear users:

Thank you for purchasing our products. Our company and employees would like to

give our sincere welcome and thanks for your choice. This Manual is mainly about the

safety precautions, overall structure, operating instructions, inspection, maintenance,

and repair. The Manual also contains some important safety information and skills for

motorcycle driving. Please read the Manual carefully to understand the performance

and characteristics of the motorcycle. Only ride after you know the instruction of the

product; Due to the continuous improvement of product functions, design upgrades,

and other reasons, the electric motorcycle you purchased may be slightly different from

the contents described in this Manual. The actual product is subject to change without

notice.

Tips for Safe Riding

For your safety to prevent accidents, read and comply with the following safety

precautions and relevant laws and regulations, and be a responsible motorcycle

owner.

1. The motorcycle driver shall pass the examination of the traffic management

department and obtain a driver's license before driving the motorcycle. It is strictly

prohibited to drive a motorcycle without a license.

2. Only use the motorcycle after carefully reading the instruction manual and

understanding the motorcycle's performance. Laying the motorcycle to people with

no driver's license and unfamiliarity with the motorcycle's performance is strictly

prohibited.

3. The motorcycle driver should carry people or items under laws and regulations.

Overloading is strictly prohibited.

4. Ensure you are in good health and not tired to control the motorcycle in a good

state. Do not ride the motorcycle after taking drugs, medicines, or alcohol.

5. To ensure your safety, please wear a helmet, gloves, and other protective gear

while driving. Please do not wear loose clothes. Otherwise, it will make driving

uncomfortable and unsafe.

6. Please slow down the motorcycle. It would help if you used cadence braking

techniques to stop the motorcycle slowly to prevent a skid.

7. In the case of rainy and snowy weather or bad road conditions, the braking

distance may increase, and falling over is prone to occur. In this case, the braking

distance increases correctly to ensure safety, and turn on the headlights when

driving at night.

8. If the water depth exceeds 10 cm, forcibly riding through the water may cause a

short circuit of the electrical components and lines of the entire motorcycle, so

please pay attention and be careful.

9. Do not hang objects on the handlebar when riding a motorcycle. Otherwise, they

may get drawn into the wheels and cause the motorcycle to fall over, resulting in

injuries to the rider.

10. Please avoid using third-party accessories or disassembling, cracking, and

modifying them yourself. The losses caused, as a result, shall be borne by you,

and our warranty will be invalid.

11. Riders shall abide by traffic laws and regulations and pay attention to safety on the

road.

12. Do not park the motorcycle in the building foyer, evacuation stairs, aisles, and

safety exit.

13. Do not charge or park the motorcycle in residential buildings; keep away from

combustible when charging the motorcycle.

Overall Motorcycle Structure

1、Front tyre

2、Front shock absorber

3、Front headlight

4、Front turn signal/daytime running light

5、Handlebar

6、Charging hole

7、Rear tail light

8、Rear shock absorber

9、Motor

10、Rear tyre

11、Mirror

12、Rear licence plate light

13、Li-ion battery

14、VIN number

15、Rear rack

16、Rear brake lock

1、Mirror

2、LCD meter

3、Left brake handle

4、Left handlebar switch

5、Lock

6、Windscreen

7、Right handlebar switch

8、Speed governor

9、Right brake handle

Operation Instruction

1> Instrument Panel

1、High beam indication

2、Left turn

3、Light indication

4、Right turn

5、Battery 2 charge indication

6、Battery 1 charge indication

7、Drivable mark

8、Motor speed

9、Speed/Parking (P)

10、Bluetooth connection

11、Time

12、Total mileage

13、Subtotal mileage

14、Gear

15、P mode

16、Charging connection

17. Charging indicator

18. OBD failure

19. Handbrake

20. Motor failure

21. Kickstand

22. Motor overheated

23. Twist throttle accelerator failure

24. ABS failure

25. Failure code

26. Battery 2 power level

27. Battery 1 power level

Operating Instructions

2> Left handlebar switches

P驻车功能

远/近光灯

转向灯

喇叭

超车开关

Left Handlebar Switches

⚫High/low beam switch: after turning on the main switch on the right handlebar,

press forward to turn on the high beam and press backward to turn on the low

beam.

⚫Turn signal light switch: Push the switch to the left or right to turn on the turn

signal light at the corresponding side and give out a continuously flashing orange

light signal. When the switch is reset to the middle position, press the button to

turn off the turn signal light. Meanwhile, the green turn signal indicator on the

speedometer will be on.

⚫Horn button: press the horn button to honk the horn.

Right Handlebar Switches

档位开关

危险警示开关

灯光组合开关

倒档开关

⚫Light combination switch: push the switch left or right to turn the corresponding

light on “ ”or off when the power is on.

⚫All lights are off, the position light “ ” is on, and the front position light, tail

light “ ”, and license plate light are on and headlight on.

⚫Gear switch: divided into two gears: 1 for low-speed gear; 2 for high-speed gear

⚫Reverse gear switch: press and hold this switch, slowly twist the throttle grip, and

the motorcycle will move backward.

⚫Warning switch: press this switch, and the turn signal lights will flash.

Gear switch

Light combination switch

Warning switch

Reverse gear switch

High/low beam

Parking

Passing button

Turn signal light

Horn

3> Power Switch and Remote Control

BAT

SEAT

BAT

SEAT

电源开启

电源关闭行驶档

平衡锁/转向把锁

电池仓锁

后置物箱锁

Power off: when the knob is turned to the upright position, the motorcycle's power is

turned off, and the key can be removed.

Power on: when the knob is turned to position, the motorcycle's power is turned

on. The battery compartment and the seat compartment can be unlocked.

Riding gear: when the knob is turned to position, the motorcycle is ready to go.

Instructions for Using the Remote Control

锁车键

寻车键

解锁键

遥控器钥匙

Unlock button: press the Unlock button to exit alert mode.

Find button: after pressing the finding button, the light of the motorcycle system will be

on to indicate the location.

Lock button: after riding, press the lock button, and the motorcycle will be locked.

The light will be on when any button on the remote control is pressed, indicating that

the remote control is usually working.

Before using a remote control, please ensure that the battery has been correctly

installed on the motorcycle. The distance between the remote control and the

motorcycle shall be <50 m.

Key: when the remote control fails or the battery is dead, the user can directly take out

the key in the remote control and insert it into the lock hole to turn on the power.

Power off

Balance lock/handlebar lock

Battery compartment lock

Seat compartment lock

Lock button

Unlock button

Power on

Riding gear

Find button

Remote Control

Key

Instructions for Starting and Riding

BAT

SEAT

BAT

SEAT

BAT

SEAT

BAT

SEAT

BAT

SEAT

BAT

SEAT

4. 6.5.

BAT

SEAT

BAT

SEAT

⚫Power off: turn off the power, and the key can be removed.

⚫Power on: insert the key into the power lock hole, and turn it clockwise to the

position to turn on the power, then the key cannot be removed.

⚫Riding motorcycle: turn it clockwise to the position, then the motorcycle is ready to

go.

⚫Gear position: if the motorcycle is in a ready-to-go state, shift the gear position to

the first gear (low-speed gear), the second gear ( high-speed gear), or the R gear;

⚫Slowly twist the throttle grip with your right hand to start your riding journey.

⚫When the motorcycle stops, turn it counterclockwise to the position to turn off the

motorcycle power supply.

Motorcycle Start Mode

⚫Start mode I: insert the key into the power switch and turn it clockwise to the

position to turn on the power, and the motorcycle is ready to go.

⚫Start mode II: take the motorcycle remote control with you. Press the button, the

power lock solenoid valve is unlocked, the light is on, and then turn the knob to

turn on the power to make the motorcycle ready when the remote control is about

1 meter away from the motorcycle.

⚫Start mode III: press unlock button of the motorcycle's remote control, the power

lock solenoid valve opens, the light is on, and then turn the knob to enter the riding

gear.

4 Battery and Charger

4.1 Battery

4.2 Battery Level Indicators

In the charging state, they indicate the power level of the battery. The indicator displays

the highest battery level blinks. When the battery is fully charged, all the indicators are

always on and no longer flash. When charging is completed, all the lights will be off.

⚫When the battery is not being charged, press the battery level button to display the

current battery level (a total of 5 indicators, each indicator represents 20%)

⚫In the normal state, press the battery level button, and the indicator will show the

battery level.

⚫Press the battery level button. If all the indicators are on at the same time, it

means that the battery is faulty. Don't hesitate to get in touch with the local dealer

for consultation.

Note: The 60V40AH ternary lithium battery is used as an example. The actual model

may vary. The difference specifications may be different from this diagram.

he actual model may vary.

Battery

socket

Relief/Breather

valve

Battery level

LED

Battery level

button

lifting handle

4.3 The motorcycle provides you with two charging modes, i.e., external charging and

complete motorcycle charging, which is optional for your convenience.

External charging mode

(one-to-one charging)

External charging mode

(one-to-two charging)

Motorcycle body

charging mode

Take the battery out, insert the charger’s plug into the

battery connector, and insert the AC220V charging

terminal into a household outlet for external charging.

The battery level indicators will be on, showing the

highest battery level will blink.

Insert the battery charging plug

into the motorcycle charging

port, then insert the AC220V

charging terminal into a

household outlet. The charging

screen will be on and displays

the battery level in real-time.

First, insert the battery plug of the charger into the socket interface, and then plug the

charging AC220 V terminal into the household socket for charging.

Before Using the Battery

Please confirm the batteries model is the original from Dofern that was

shipped with the motorcycle before use, and do not use other brands or other

types of battery.

⚫Check if the appearance of the battery is intact, and ensure that there are

no apparent phenomena such as damage, heating, water immersion, or

smoke coming out.

⚫To ensure transportation safety, the battery power level is about 50%

before shipping. Due to self-consumption factors such as transportation

and storage cycles, the power is low, or there is no power when you use it

for the first time. That is a normal phenomenon. Please don't worry. Just

charge according to the charging instructions.

Used batteries shall not be disassembled without authorization and

shall send to relevant professional organizations for recycling.

Battery Usage Environment

⚫Please use it at a temperature of -10 ℃～45 ℃.

⚫Please avoid placing the battery close to a heat source, open flame, and

flammable and explosive gas (liquid).

⚫Please prevent the metal foreign body from entering the battery pack.

In the case of low temperature, the battery's usable capacity will have different

degrees of attenuation, and the specific reference degree: the functional

capacity is 70% at -10 °C, 85% at 0 °C, and 100% at 25 °C. If the battery has a

peculiar smell, heat, deformation, and other abnormal conditions, please stop

using it immediately, stay away from it, and contact your local dealer.

The battery is a non-serviceable part for the user. The individual bears any

risks arising from that place and may cause the battery to generate heat,

smoke, fire, or explosion. If any abnormal behavior occurs, please get in touch

with the local dealer for inspection. Dismantling the battery without permission

will cause an invalid warranty.

Notes for battery use

⚫When you use the battery for the first time, please run down the battery as much

as possible, and then charge it fully. It will be better to use it 2-3 times to ensure

that the actual capacity of the battery and meter are more accurate.

⚫After the first time, try to keep the battery level not less than 20%, and charge it

timely, which can extend the battery cycle life.

⚫With the increase of battery use frequency, the actual capacity of the battery and

the battery level indicator on the meter will be incorrect. Please fully charge and

discharge the battery regularly (no more than 3 months). The internal battery and

intelligent system can automatically calibrate the power to improve the experience.

⚫When riding normally, it is recommended to use low-speed gear, start slowly and

twist the throttle grip slowly to accelerate gradually, which can extend the range.

⚫It is recommended to check power plug of the battery every two months to confirm

whether there is carbon deposit and blackening caused by oxidation on contact

reed. If yes, please go to the local dealer for inspection.

⚫Keep the battery from raining or water flushing, do not soak the battery in water.

Do not ride the vehicle when the water level is beyond the bottom of battery

compartment. Otherwise it may cause the water to get into the battery, internal

short circuit, and permanent battery failure. In this case, it is strictly prohibited to

charge the vehicle or the battery. Otherwise, it will cause the battery to catch fire,

burn and explode.

Notes for charging use

Please confirm that the battery

model is the original one

before use

Please keep it at the ambient

temperature of 0 ℃-35 ℃

Do not let charging time

exceed more than 12 hours

Do not use other brands or other types of batteries for charging the battery.

⚫The power level rises faster in the early stage of charging and slower in the later

stage, which is the procedure set for charging safety and is normal.

⚫When you charge the battery in winter, the outdoor temperature is low, and when

the environment is below 0 ℃, the charging process is slow, which is normal.

Please place the battery in a suitable ambient temperature for charging to ensure

charging effect.

⚫During the charging process, some chargers with aluminum shell may have

temperature rise effect, and the surface temperature is high, which is a normal

phenomenon. Please rest assured to use it. Please keep the children from

touching it.

Notes for using charger

⚫Charger is limited to indoor use. During the charging process, the charger and the

line shall be strictly prevented from being exposed to rain or water.

⚫When charging the battery, plug the battery connector first, then plug charger

power connector to household outlet; When it is fully charged, please cut off the

charger power connector and pull out the battery plug.

⚫During the charging process, if the indicator is abnormal, the odor appears or the

charger casing overheats, the charging should be stopped immediately. The

charger should be repaired or replaced.

⚫Do not disassemble or replace the components in charger by yourself.

⚫Never charge the battery in a confined space, under direct sunlight or high

temperature environment. The charger must not be placed in the seat

compartment.

⚫When replacing the charger, it shall be matched with the battery model.

Storage environment

⚫Please store the battery at an ambient temperature of 0℃to 25 ℃. Do not store

the battery in an environment above 40℃. Otherwise it will cause irreversible

capacity decay of the battery. If the vehicle is not used for a long time (such as in

winter, summer or other special circumstances), the battery shall be taken out and

stored separately, and shall be maintained and charged regularly. Otherwise, the

battery capacity may be completely exhausted, resulting in irreversible damage.

For such problems, battery failure will not be covered in warranty agreement.

⚫The most suitable storage power of the battery is 50%. If the capacity is lower than

10% or higher than 90%, long-term storage will result in irreversible capacity

decay of the battery.

For self-power consumption protection mode for the safe storage of lithium battery, the

technical standards are as follows:

(1) If it is not used for a long time and stored in the vehicle (without unplugging battery

plug), the safe period is up to one month. Otherwise, it may cause battery to be under

voltage and the problem cannot be fixed. (2) If it is not used for a long time, store it with

no less than 50% power or put it in the vehicle (unplug battery plug), the maximum

safety period is 3 months. Otherwise, it may cause battery to be under voltage, and the

problem cannot be fixed.

Avoid storing the battery in a location where there is a risk of dropping it, as dropping

may cause uncontrollable damage to the interior of the battery and may result in heat,

smoke, fire or explosion of the battery.

Battery low voltage and under-voltage caused by the above improper use are not

covered by warranty agreement.

Safe Driving Tips and Precautions

Please read the following daily driving precautions carefully and ensure safe and

correct driving.

⚫For your safety, it is strongly recommended to wear a helmet, and you must know

the traffic laws to drive safely.

⚫When riding, for example, check the motorcycles on your left, right, and behind

you before changing lanes to ensure you pass safely. Don't rely on your rear-view

mirrors alone, you should enable to judge the distance and speed of other

motorcycles, or you will be vulnerable to a crash.

⚫When climbing steep slopes, using the high-speed gear increases the motor

output torque to avoid overloading the motor overload.

⚫When descending a long ramp, use the throttle grip to control the motorcycle

speed. The front and rear auxiliary brakes should be used.

⚫When driving in wet terrain, please try to use the throttle grip to control the

motorcycle speed and reduce the braking force of the front and rear wheels. The

throttle grip should also be appropriately used to avoid the rear wheel

over-accelerating or decelerating, causing the motorcycle to skid.

⚫Driving at a steady speed and avoiding unnecessary acceleration ensures

personal safety, reduces power consumption, prolongs the motorcycle's service

life, and reduces noise.

⚫When driving on wet or soft roads, the mobility of motorcycle may be reduced. In

these environments, your real driving action should be coordinated and flexible,

such as sudden acceleration, braking or turning, etc., which can cause the

motorcycle to lose control.

Precautions for Parking the Motorcycle

1. Turn off all lights and power switches when the motorcycle stops completely.

2. Using the front and rear brakes simultaneously when stopping is recommended.

3. The rider should stand on the left side and put down the kickstand on the flat

ground when parking.

4. When you leave the motorcycle, please ensure to lock the anti-theft remote control

and take it away to prevent loss caused by theft.

5. Turn off the power switch when you get off the motorcycle and push it, thus

preventing accidents caused by the sudden start due to unintentional rotation of

the speed governor during the push.

Please check the motorcycle components before riding. If there are any problems,

please go to the dealer for an inspection in time.

● Check the status of the power circuit, light lighting circuit, etc.;

● Check if the front and rear handlebar work normally;

● Check the fixation of the handlebar and front and rear wheels;

● Check the air pressure of tires;

●Check the reflector for damage or contamination.

Failures and Troubleshooting

Problems

Possible Causes

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