Engwe MapFour N1 Air ST Electric Bike User Manual

Safety Notes

Dear Users,

The owner's manual describes the essential operation and maintenance methods for the electric bicycle. To enhance your riding experience, please consult this manual to familiarize yourself with the performance, features, safety notes, and maintenance requirements of this product. If you have any questions, please contact the official after-sales service team or the authorized local service station promptly. We will provide diagnostic assistance as soon as possible.

Safety Notes

1. Please ensure you understand and follow the safety notes described in this manual to significantly mitigate risk. When entering public spaces, comply with all national and local laws and regulations. Stay alert while riding and maintain a safe distance from others and vehicles.
2. The electric bicycle must be operated in accordance with the manual's guidelines. The user will be responsible for any loss resulting from not following the manual's guidelines.
3. This product is not designed for professional off-road cycling. Please do not use it as a mountain bike.
4. For your first ride, choose a private area free from traffic. Once you feel comfortable with the product, you can venture onto public roads.
5. Before each ride, be sure to thoroughly inspect for loose screws or damaged parts. If this product emits abnormal noises, stop riding immediately and seek diagnostic support from the official after-sales team.
6. Avoid exceeding the speed limit. Never ride in areas where motor vehicles are present, regardless of the circumstances.
7. For safety reasons, the use of this product by users under 16 years of age is strictly prohibited. The use of this product is prohibited in the following situations:
   • Persons under the influence of alcohol or drugs.
   • Persons who should not engage in strenuous physical activities due to illness.
   • Persons who cannot maintain balance or who have difficulty with balance due to underdeveloped motor skills.
   • Persons whose weight exceeds the limit.
   • Pregnant women.
8. Exercise caution when using this product in adverse weather conditions such as snow, rain, slippery roads, and frozen areas.
9. Do not attempt to charge this product if the charger or power supply is wet. When charging this product in a public area, ensure compliance with local safety laws and regulations.
10. For effective protection and easy use of the bicycle, always use officially designated parts.
11. If you wish to modify your electric bicycle, consult the official after-sales team and proceed with caution, ensuring compliance with local laws and regulations. The manufacturer assumes no responsibility for injuries or damage to the bicycle resulting from unauthorized modifications.
12. To minimize the risk of injury, be sure to read and follow all notices, including "caution," "danger," and "warning" in the owner's manual.

Danger: Ignoring this warning could result in personal injury. To minimize harm to yourself and others, this notice specifies actions you should take or avoid!

Warning: Ignoring this warning could result in damage to the bicycle and its components. This notice specifies actions you should take or avoid!

Caution: Ignoring this warning could result in minor damage to the bicycle or affect its normal operation. This notice specifies actions you should and should not take.

Table of Contents

1. Introduction
   1. Packing List
   2. Components
   3. Functions
2. Quick Guide
   1. Installation Guide
   2. How to Remove the Battery
   3. How to Charge
   4. Quick Operation
   5. Instrument Configuration
3. Notes for Maintenance
   1. Operation Notes
   2. Self-Maintenance and Inspection
   3. Troubleshooting
4. Service Guide
   1. After-sales Service and Warranty Coverage
   2. Warranty Card and Repair Records
   3. Product Parameters

1. Introduction

1.1 Packing List

The following components are included in the package:

• Manual
• Charger
• Front Axle Assembly
• Kickstand
• Saddle and Seatpost
• Front Fender
• Wrenches (8-10, 13-15, 16-18)
• Hex Wrenches (M3, M4, M5, M6)
• Screwdriver
• Pedals (x2)
• Frame Body
• Front Tire

1.2 Components

The electric bicycle consists of the following parts:

• Handlebar
• Stem
• IoT Module
• Headlight
• Battery
• Front Fork
• Front Fender
• Front Brake
• Pedal
• Crank
• Valve
• Plate
• Saddle
• Seatpost
• Quick Release
• Solar Rear Light
• Rear Fender
• Reflector
• Rear Brake
• Motor
• Rear Derailleur
• Rear Tire
• Chain
• Handlebar
• Power
• Headlight
• Battery
• Front Fork
• Front Fender
• Front Brake
• Pedal
• Crank
• Valve
• Plate

1.3 Functions

Description of Common Functions:

1. Power On/Off: Briefly press the power button for 1 second to turn on, and press and hold the power button for 3 seconds to turn off.
2. Adjust Electric Assist Level: Use the + and - buttons to adjust the electric assist levels.
3. Walk Assist Mode: Press and hold the button to enter walk assist mode. The speed will be 6 km/h and the display will show the walk assist icon. Release the button to stop walk assist mode, and the walk assist icon will disappear.
4. Headlight Switch: The display has a light detection function that automatically turns the headlight on/off based on external light conditions. You can also manually control the headlight by briefly pressing the button. When the headlight is on, the screen brightness will decrease. Press the button again to turn off the headlight, and the screen brightness will return to normal.
5. Cycling Data Switching: After turning on, the default data will be displayed as shown. Briefly press the button to view other data, and press the button again to return to the main screen.
6. Error Code Display: If there is a malfunction in the electric assist bicycle's control system, the display will automatically show an error code. For detailed definitions of error codes, refer to section 3.3, Error Code Explanation.

2. Quick Guide

2.1 Installation Guide - Control Area

Follow these steps to install the control area components:

1. Attach the handlebar to the stem.
2. Insert the stem into the fork's steerer tube.
3. Loosen the M6 screw, then adjust the handlebar to a comfortable height.
4. Ensure the handlebar is centered and perpendicular to the top tube of the frame.

2.1.2 Installation Guide - Front Fender and Headlight

1. Attach the front fender using M4 screws.
2. Attach the headlight using an M5 screw and the provided wrench (10).
3. Secure the fender bracket with an M4 screw.
4. Mount the fender and headlight assembly to the fork using M4 and M5 screws.
5. Tighten all screws securely.

2.1.3 Installation Guide - Wheel

1. Remove the protective cap from the front fork.
2. Insert the front wheel into the fork dropouts.
3. Secure the wheel using the quick-release skewer (15).
4. Ensure the wheel is properly seated and the quick-release skewer is tightened securely.

2.1.4 Installation Guide - Saddle Adjustment

1. Insert the seatpost into the seat tube.
2. Adjust the saddle height so that the white safety line remains covered.
3. Lock the seatpost in place.
4. Adjust the saddle forward/backward and tilt angle for comfort.

2.1.5 Installation Guide - Kickstand Installation

1. Remove the warning sticker before installing the kickstand.
2. Attach the kickstand to the frame using an M5 screw.

Warning: Do not sit on the bicycle or load more than 25 kg while the kickstand is deployed to avoid damaging the kickstand or the bicycle.

2.1.6 Installation Guide - Pedal and Solar Light

1. Identify the left (L) and right (R) pedals.
2. Screw the pedals into the crank arms using an M6 hex wrench. Ensure the left pedal is screwed in counter-clockwise and the right pedal is screwed in clockwise.
3. Pull the tab to activate the solar light.

2.1.7 Installation Complete

Congratulations! Your bicycle has been successfully assembled!

2.2 How to Remove the Battery

1. After unlocking the battery, it pops out.
2. Press the button to remove the battery.

2.3 How to Charge

Two Charging Modes:

1. Charge the battery directly on the frame.
2. Remove the battery to charge it (refer to Section 2.2 for Battery Removal Method).

Note: The battery has a small amount of energy when it leaves the factory. Before using the product for the first time, charge it completely. Be sure to use the original manufacturer's charger that comes with the bicycle to charge the battery. Non-original chargers may cause damage to the battery.

Steps:

1. Start Charging: Insert the charger connector completely into the battery's charging port, and then insert the charger plug completely into the power outlet.
2. Status Indication: When the charger's indicator light is red, it indicates that charging is normal; when the indicator light is green, it indicates that the battery is fully charged.
3. Charging Time: Approximately 5-8 hours.
4. End of Charging: First, remove the power plug, and then remove the charger connector from the battery. To charge using method ①, simply close the battery's dust cap. To charge using method ②, you must insert the battery into the frame and secure it, and then close the battery's dust cap.

Note: The charger contains a high-voltage device. Unauthorized repairs are strictly prohibited due to the risk of danger. The battery and charger should be placed in a safe, well-ventilated, and dry area, out of reach of children, and away from any flammable, explosive, or dangerous items (such as sofas, etc.). Furthermore, charging should not be done outdoors to prevent accidents such as electrical short circuits and fires due to rain or other similar elements.

Warning: If you detect an unusual odor or if the battery or charger becomes excessively hot during charging, stop charging immediately and contact the after-sales service team.

2.4 Quick Operation

Before using the product, follow the installation guide to correctly install the corresponding components. Ensure that there are no loose fasteners, that the battery is sufficiently charged, and take appropriate protective measures for riding.

Step 1: Adjust Handlebar and Saddle

Adjust the handlebar and saddle to a suitable height for the rider according to their stature. Ensure that the saddle's quick-release lever and the handlebar's fixing screws are fully tightened.

Note: It is recommended to adjust the handlebar to a comfortable height according to your riding habits and the saddle to the height of your pelvis. However, the height should not exceed the safety mark.

Step 2: Turn on and Adjust Headlight

• Press the power button for 1 second to turn on the bicycle.
• Press and hold the button to turn on the lights.
• Adjust the headlight to illuminate the area 10 meters ahead.

Step 3: Adjust Assist Level

Change the riding modes according to the road conditions and personal needs. This bicycle is equipped with 5 levels of assistance. Use the + and - buttons to change the levels. Level 1 is suitable for relatively flat roads. The steeper the incline, the higher the assist level should be. Note: When the bicycle is in PAS 0 mode, there is no electric assistance, and it functions as a normal bicycle.

Step 4: Start Riding

Wear a helmet before riding.

Step 5: Braking Instructions

The left brake controls the front wheel, and the right brake controls the rear wheel. Always apply the right brake first, followed by the left brake, to gradually reduce speed and stop.

Warning: Never apply the front brake abruptly by itself, as this can cause loss of balance and lead to an accident. The maximum load for this electric bicycle is 120 kg, so you should not exceed this weight limit.

2.5 Instrument Configurations

You can also follow the steps below to access detailed settings:

1. Enter Settings: With the bicycle turned on, press and hold the + and buttons simultaneously for more than 2 seconds to enter the settings screen (see diagram 1).
2. Select a Setting: Press the + or button to choose different configuration options.
3. Adjust the Option: Press the button to enter a selected setting, then use the buttons to adjust the option. Press the button again to confirm.
4. Configuration Descriptions:
   • Reset ODO: Clears the total recorded mileage.
   • Toggle Unit: Changes the mileage unit.
   • Brightness: Adjusts the screen brightness.
   • Password: Sets a startup password. The correct password must be entered to access the main screen and adjust the assist level.
   • AL Sensitivity: The display can detect external light and automatically turn the headlight on/off. This option allows you to adjust the light sensitivity or disable the function.
5. Exit Settings: Press the button to move to "BACK," then press the button to return to the main screen.

3. Maintenance Precautions

Bicycle Safety

1. Do not park the bicycle in building lobbies, evacuation stairs, corridors, or safety exits.
2. Do not charge or park your bicycle in a residential building, keep it away from combustible materials when charging, and do not charge it for too long, generally no more than 12 hours.
3. Avoid water entering electrical parts. When washing, avoid water impacting the charging port, wire harness connectors, and other electrical parts.
4. When adjusting the saddle and vertical tube height, be careful not to expose the safety line marks of the saddle and vertical tube.
5. Private modifications to the bicycle by users and distributors are prohibited. Modifications include altering the battery configuration, changing the wiring, increasing the wattage of the bulbs, and adding speakers.
6. It is prohibited to touch the electrified parts of the bicycle with wet hands or metal conductors. For example, the battery connector, the battery charging port, and the charger's power plug.
7. Do not disassemble electrical parts without permission to prevent liquids and metal shavings from entering electrical parts.
8. Do not expose the bicycle to sunlight/rain for prolonged periods to prevent aging of parts.
9. If you need to clean the bicycle, do so with water mixed with a neutral detergent. Do not disassemble internal parts for washing to avoid short circuits.

Attention: It is strictly prohibited for non-professional personnel to perform maintenance tasks. In case of malfunction, contact customer service or a designated professional maintenance station.

Riding Safety: Observe traffic regulations and pay attention to riding safety.

1. It is strictly prohibited for minors under 16 years of age to ride the bicycle on the road, and do not lend it to individuals who cannot operate it to avoid danger.
2. Ride in non-motorized lanes and do not exceed the maximum speed limit of local regulations.
3. The bicycle should carry people or objects in accordance with the law.
4. Always wear a safety helmet and fasten the helmet strap while riding.
5. When riding in rain or snow, the braking distance will increase, so pay attention when reducing speed; avoid using it in bad weather, such as heavy rain.
6. Observe traffic regulations carefully and do not ride under the influence of alcohol, do not ride with one hand or with both hands off the handlebars.
7. When riding a bicycle, try to wear bright, non-restrictive clothing that allows for movement, and low-heeled or athletic shoes whenever possible.

Road Precautions

1. For your safety and the safety of others, consciously observe traffic regulations.
2. It is mandatory to wear a helmet before riding, as well as take other relevant safety precautions.
3. When starting, accelerate slowly to avoid losing control after accelerating too quickly.
4. When it rains or snows, you must adequately increase the braking distance and concentrate on riding cautiously and slowly to avoid side slips and falls.
5. Before parking, shift to a lower gear for the next ride.

Pre-ride Inspection

1. Turn on the power, check if the instrument indicator lights are normal, and check if the battery power is sufficient.
2. Check if the front and rear lights turn on correctly and if the front lights illuminate at a normal angle.
3. Check that the bicycle's horn sounds correctly.
4. Check that the handlebar and seatpost are adjusted to the correct position and ensure that the fixing screws (or quick releases) are tightened securely.
5. Check the brake lever, the brake engagement should ensure reliable braking and flexible reset, and the rear brake light should illuminate.
6. Check if the tire pressure is normal, if there are cracks and abnormal wear, as well as the presence of sharp objects like nails, stones, and glass.
7. Check if the wheel screws are locked, and the pedal reflectors are not missing, damaged, or contaminated.

Precautions for Pushing and Parking

1. The power switch should be turned off when pushing the bicycle to prevent accidents caused by unintentional throttle rotation when pushing.
2. When riding uphill or with heavy loads, you can activate the push assist mode to aid in pushing.
3. When parking the bicycle, support it with the kickstand on a flat surface and turn off the power.
4. Maintain and clean your bicycle regularly to keep it in the best condition.

3.2 Maintenance and Inspection

Bicycle Maintenance and Inspection

1. The bicycle has been fully adjusted before leaving the factory. If you have any doubts, please contact the manufacturer or supplier.
2. Regularly check tire pressure to maintain it within normal limits.
3. Key components such as the handlebar, folding riser, saddle, seatpost, front and rear axle shafts, central shaft, flywheel, and chains, front and rear wheels, should be checked and adjusted frequently to ensure that the transmission parts are flexible and do not exhibit anomalies. Loose nuts and bolts should be tightened promptly.
4. It is recommended to lubricate parts (e.g., front axle bearings, central shaft bearings, rear axle bearings, front fork play, pedal bearings, etc.) with calcium-based grease #3 every six months during use. Add #30 motor oil to the chain, transmission cable, kickstand, and other parts approximately every two months.
5. If you notice that wear parts are damaged, such as brake pads, chains, or tires, you can find a local repair point for replacement, but be careful to replace them with parts of the same type and specification.

Motor Maintenance

1. Do not open the motor base or end cover, as they are sealed.
2. The motor should be kept clean, and no foreign matter, corrosive liquid, or gas should enter it. The motor casing should not be hit or baked to avoid damage to the motor.
3. The motor's IP protection rating is IPX5. Do not rinse it with a water gun or allow it to be submerged in water. If the water level rises to the center of the motor wheel hub, it may cause a short circuit in the internal wiring of the entire bicycle and damage the electrical components.

Battery Maintenance

1. The lithium battery has a large capacity, long lifespan, and light weight. Its lifespan and usage method are closely related. Do not wait until the energy is insufficient before charging, and do not store it for a long time; get into the habit of charging it frequently.
2. The initial charge should be full, and it is recommended to charge for 6-8 consecutive hours, not more than 12 hours.
3. If you do not use it for a long time, you need to charge the lithium battery for more than two hours per month, and it is strictly prohibited to store it with depleted energy. Once the battery voltage drops to an insufficient state, it will cause great and irreversible damage to the battery.

Danger: Do not disassemble the old battery without permission. It must be recycled according to the local government's designated location or the company's indicated maintenance point.

Warning: The battery must not be placed near flames or high-temperature heat sources. Do not throw the battery into fire. It is strictly prohibited to expose it to the sun in hot weather.

3.3 Fault Inspection and Troubleshooting Methods

General Troubleshooting

Error Codes

Engwe electric-assist bicycles are equipped with a fault detection system that allows the meter to display fault codes if there is a malfunction in the electrical system. Below are the most common fault codes to help you troubleshoot the problem. If a fault code appears, stop operation immediately and contact Engwe after-sales service.

4. Service Guide

Warranty Principles

1. Users must operate and use it correctly in accordance with the requirements of this manual. Any performance failure due to production quality reasons, in accordance with consumer protection law, the company fully complies with the warranty obligation.
2. In case of failure outside the scope of warranty and main parts after the warranty period, the company is responsible for repair, but will charge accordingly.
3. After exceeding the warranty period for battery replacement, the company will always supply at factory price, but the battery must be recycled one by one and returned to the battery manufacturer to ensure safety and prevent environmental pollution.

Details of Warranty Coverage and Duration

Note: None of the limited warranties apply to any subsequent owner or other assignee of the electric-assist bicycle.

4.1 After-sales Service and Warranty Coverage

4.2 Warranty Cards and Maintenance Records

4.3 Product Parameters

*The maximum range is measured in 1st gear with a full charge and a load of 75 kg on a flat surface at 25°C and 70% relative humidity. Actual results may vary due to differences in gear, temperature, load, wind speed, road conditions, and other factors.

*All declared weight numbers have a tolerance of +/- 3%-5%. Net weight includes the battery, but excludes all accessories.

Contact Information

Customer Service Hotline:

• +33 805980036 (EU) Working hours: 9 a.m. to 6 p.m. (GMT +1), Monday to Friday.
• +39 800776809 (EU) Working hours: 9 a.m. to 6 p.m. (GMT +1), Monday to Friday.
• +18442007117 (USA) Working hours: 9 a.m. to 6 p.m. (PST - 8 Hours), Monday to Friday.

Official Website: www.engwe-bikes.com, www.engwe-bikes-eu.com, www.engwe-bikes-uk.com, www.engwe-bikes.de

If you have any questions or suggestions regarding the manual, please contact us at the following email address:

Contact Us: service@engwe-bikes.com

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