VIVI M026TGB Electric Bike Common Problems and Troubleshooting

The VIVI M026TGB Electric Bike is an exceptional model designed for those seeking adventure on trails, expanding cycling routes, and experiencing pure enjoyment. This electric bike combines cross-country performance with power, providing an unparalleled riding experience. Manufactured by VIVI, a renowned company committed to delivering top-notch biking solutions, the M026TGB Electric Bike offers outstanding features and reliability.

VIVI M026TGB Electric Bike Overview

The VIVI M026TGB Electric Bike is a 500W 26” 21-speed folding electric mountain bicycle, perfect for commuting, cruising, and off-road adventures. Its remarkable features include a stable brushless motor, a 360WH battery for increased speed and longer cruising range, and 21-speed professional gears with 4 riding modes. The bike also incorporates full suspension and dual disc brakes for enhanced safety and stability. With adjustable height, LED headlights, and a horn, the VIVI M026TGB Electric Bike prioritizes rider comfort and safety.

Product Details

Color	Material	Motor Power	Max Speed	Voltage	Battery	Charge Time	Number of Speeds	Wheel Diameter	Mileage Range	Uphill Range	Max Load	Bike Weight	Bike Type	Assembled Product Size	Foldable Size	Adjustable Height of Handle	Adjustable Height of Seat	Package Size	Recommended Height
Black Red	Iron, Aluminum Alloy	500W Brushless Motor	19MPH	110V	48V/7.8Ah Lithium Ion Battery	4-6H	21 Speed	26inch	Electric Mode (32miles) – Pedal Assist Mode (50miles)	25-32 Miles	330lbs	64lbs	Folding Electric Mountain Bike	67*26*42.5in	35.9in * 34.3in	38.5-42.5in	32.3-37.2in	136 x 24 x 66 cm / 54 x 9.6 x 26in	5’2 – 6’2

Causes of Common Problems with the VIVI M026TGB Electric Bike

The following subsections will address the possible problems and solutions that users may encounter with the VIVI M026TGB Electric Bike.

1. Battery Not Charging

Description: The battery of the VIVI M026TGB Electric Bike is not charging.

Cause: Possible causes include a faulty charger, loose battery connection, or a defective battery.

Troubleshooting:

• Check the charger connection to ensure it is securely plugged into a power source.
• Inspect the battery connections and make sure they are properly attached.
• If the issue persists, try using a different charger or contact customer service for further assistance.

2. Motor Not Working

Description: The motor of the VIVI M026TGB Electric Bike is not functioning.

Cause: Possible causes include a disconnected motor cable, motor controller malfunction, or motor damage.

Troubleshooting:

• Check the motor cable connections to ensure they are securely plugged in.
• Inspect the motor controller for any signs of damage or malfunction.
• If necessary, contact customer service or a certified service center for motor repair or replacement.

3. Brakes Not Responsive

Description: The brakes of the VIVI M026TGB Electric Bike are not responding effectively.

Cause: Possible causes include brake pad wear, misaligned brake calipers, or brake cable issues.

Troubleshooting:

• Inspect the brake pads for excessive wear and replace them if necessary.
• Check the alignment of the brake calipers and adjust them if they are misaligned.
• If the issue persists, examine the brake cables for any signs of damage or looseness.

4. Gear Shifting Problems

Description: Difficulty or inconsistency in shifting gears on the VIVI M026TGB Electric Bike.

Cause: Possible causes include cable tension issues, misadjusted derailleurs, or worn-out shifters.

Troubleshooting:

• Check the cable tension and adjust it according to the manufacturer’s guidelines.
• Inspect the derailleurs and ensure they are properly aligned and adjusted.
• If the problem persists, consider replacing worn-out shifters or consult a bike technician for assistance.

5. Display Malfunction

Description: The display screen of the VIVI M026TGB Electric Bike is not functioning correctly or showing inaccurate information.

Cause: Possible causes include loose connections, water damage, or a defective display unit.

Troubleshooting:

• Check all the connections between the display unit and the bike’s wiring, ensuring they are secure.
• Avoid exposing the display to excessive moisture or water, as it may cause damage.
• If the problem persists, contact customer service for further assistance or a replacement display unit.

6. Tire Punctures

Description: Frequent tire punctures on the VIVI M026TGB Electric Bike.

Cause: Possible causes include sharp objects on the road, improper tire pressure, or worn-out tires.

Troubleshooting:

• Inspect the tires for any sharp objects lodged in them and remove them carefully.
• Maintain proper tire pressure as recommended by the manufacturer.
• If the tires are worn-out, consider replacing them with new ones to minimize puncture risks.

7. Loose Handlebars

Description: The handlebars of the VIVI M026TGB Electric Bike feel loose or unstable.

Cause: Possible causes include loose stem bolts, improper handlebar installation, or worn-out components.

Troubleshooting:

• Tighten the stem bolts to secure the handlebars in place.
• Ensure the handlebars are properly installed and aligned with the front wheel.
• If the problem persists, consider replacing worn-out components or consult a bike technician for assistance.

8. Chain Slippage

Description: The chain on the VIVI M026TGB Electric Bike slips or skips gears while riding.

Cause: Possible causes include improper chain tension, worn-out chain, or misaligned chainring.

Troubleshooting:

• Adjust the chain tension according to the manufacturer’s guidelines.
• If the chain is worn-out, consider replacing it with a new one.
• Inspect the chainring alignment and adjust it if necessary.

9. Loose Pedals

Description: The pedals on the VIVI M026TGB Electric Bike feel loose or wobbly.

Cause: Possible causes include loose pedal threads, worn-out pedals, or improper installation.

Troubleshooting:

• Tighten the pedal threads securely using a pedal wrench.
• If the pedals are worn-out, consider replacing them with new ones.
• Ensure the pedals are properly installed and tightened.

10. Unresponsive Power Assist

Description: The power assist feature of the VIVI M026TGB Electric Bike does not respond when activated.

Cause: Possible causes include a malfunctioning power assist system, low battery charge, or loose connections.

Troubleshooting:

• Check the battery charge level and recharge if necessary.
• Inspect the power assist system for any signs of malfunction or damage.
• Ensure all connections related to the power assist are secure.
• If the problem persists, contact customer service or a bike technician for further assistance.

11. Inconsistent Braking Performance

Description: The braking performance of the VIVI M026TGB Electric Bike is inconsistent or weak.

Cause: Possible causes include brake pad wear, misaligned brake calipers, or insufficient brake cable tension.

Troubleshooting:

• Inspect the brake pads for wear and replace them if necessary.
• Check the alignment of the brake calipers and adjust as needed.
• Ensure proper tension in the brake cables, making sure they are neither too loose nor too tight.
• If the problem persists, consult a bike technician for further assessment and adjustment.

12. Loose or Noisy Front Suspension

Description: The front suspension of the VIVI M026TGB Electric Bike feels loose or produces noise while riding.

Cause: Possible causes include loose suspension components, insufficient lubrication, or damaged suspension seals.

Troubleshooting:

• Tighten all suspension components to ensure they are securely fastened.
• Apply appropriate lubrication to the suspension parts as recommended by the manufacturer.
• If the problem persists, have a bike technician inspect the suspension system for any damage or worn-out parts.

13. Unresponsive Gear Shifting

Description: The gear shifting on the VIVI M026TGB Electric Bike is unresponsive or sluggish.

Cause: Possible causes include misadjusted derailleurs, worn-out shift cables, or damaged shifters.

Troubleshooting:

• Adjust the derailleurs to ensure smooth and precise shifting.
• If the shift cables are worn-out, replace them with new ones.
• Inspect the shifters for any signs of damage or malfunction and replace if necessary.
• If you are unsure about the gear shifting adjustments, consult a bike technician for assistance.

14. Loose Battery Connection

Description: The battery connection on the VIVI M026TGB Electric Bike feels loose or unreliable.

Cause: Possible causes include a loose battery mounting bracket, dirty battery contacts, or a faulty battery connector.

Troubleshooting:

• Tighten the battery mounting bracket securely to ensure a tight connection.
• Clean the battery contacts and the connector to remove any dirt or debris that may affect the connection.
• If the problem persists, contact customer service for further assistance or a replacement battery connector.

15. Uneven Motor Power Delivery

Description: The motor power delivery on the VIVI M026TGB Electric Bike feels uneven or inconsistent.

Cause: Possible causes include a faulty motor controller, low battery voltage, or loose motor wiring.

Troubleshooting:

• Check the motor controller for any signs of damage or malfunction and replace if necessary.
• Ensure the battery is adequately charged to maintain optimal power delivery.
• Inspect the motor wiring connections to ensure they are securely attached.
• If the problem persists, consult a bike technician or contact customer service for further assistance.

16. Excessive Motor Noise

Description: The motor of the VIVI M026TGB Electric Bike produces excessive noise during operation.

Cause: Possible causes include loose motor components, worn-out motor bearings, or motor misalignment.

Troubleshooting:

• Check all motor components and tighten any loose parts to eliminate rattling or vibrating noises.
• If the motor bearings are worn-out, they may need to be replaced to reduce noise.
• Ensure proper motor alignment by adjusting the motor position as needed.
• If the excessive motor noise persists, consult a bike technician for further assessment and repair.

17. Intermittent Power Assist

Description: The power assist on the VIVI M026TGB Electric Bike works intermittently or cuts out unexpectedly.

Cause: Possible causes include a faulty power assist sensor, loose wiring connections, or battery issues.

Troubleshooting:

• Check the power assist sensor for any signs of damage or malfunction and replace if necessary.
• Inspect all wiring connections related to the power assist system and ensure they are securely connected.
• Verify that the battery is adequately charged and in good working condition.
• If the problem persists, contact customer service or a bike technician for further assistance.

18. Unresponsive Electric Display

Description: The electric display on the VIVI M026TGB Electric Bike is unresponsive or does not function properly.

Cause: Possible causes include a faulty display unit, loose connections, or low battery voltage.

Troubleshooting:

• Check the display unit for any signs of damage or malfunction and replace if necessary.
• Ensure all connections related to the display are securely connected.
• Verify that the battery is adequately charged to provide power to the display.
• If the display remains unresponsive, contact customer service or a bike technician for further assistance.

19. Uncomfortable Seat

Description: The seat of the VIVI M026TGB Electric Bike is uncomfortable during rides.

Cause: Possible causes include insufficient padding, improper seat positioning, or personal preference.

Troubleshooting:

• Consider adding a seat cover or additional padding to improve comfort.
• Adjust the seat position to find a more comfortable riding position.
• If the discomfort persists, consider replacing the seat with a more suitable option.

20. Faulty Horn or Lights

Description: The horn or lights on the VIVI M026TGB Electric Bike do not function properly.

Cause: Possible causes include loose connections, damaged wiring, or faulty components.

Troubleshooting:

• Check all connections related to the horn and lights and ensure they are securely connected.
• Inspect the wiring for any signs of damage or fraying and repair or replace as needed.
• If the problem persists, consider replacing the horn or lights with new components.

21. Inaccurate Speedometer

Description: The speedometer on the VIVI M026TGB Electric Bike displays inaccurate speed readings.

Cause: Possible causes include a faulty speed sensor, misalignment, or interference.

Troubleshooting:

• Check the speed sensor for any signs of damage or malfunction and replace if necessary.
• Ensure proper alignment between the speed sensor and the magnet on the wheel.
• Avoid any interference sources near the speed sensor that may affect its accuracy.
• If the speedometer readings remain inaccurate, contact customer service or a bike technician for further assistance.

22. Braking Issues

Description: The brakes on the VIVI M026TGB Electric Bike do not work effectively or exhibit other issues.

Cause: Possible causes include misaligned brake pads, worn-out brake pads, or brake cable tension.

Troubleshooting:

• Check the brake pads for proper alignment and adjust as necessary.
• If the brake pads are worn-out, replace them with new brake pads for optimal braking performance.
• Ensure proper brake cable tension by adjusting the cable or consulting a bike technician if needed.
• If the braking issues persist, contact customer service or a bike technician for further assistance.

23. Loose Handlebar

Description: The handlebar on the VIVI M026TGB Electric Bike feels loose or unstable during rides.

Cause: Possible causes include loose handlebar bolts, misalignment, or worn-out components.

Troubleshooting:

• Check the handlebar bolts and ensure they are tightened to the appropriate torque.
• Verify proper alignment of the handlebar and make necessary adjustments.
• If any components are worn-out or damaged, replace them with new parts for stability.
• If the handlebar continues to feel loose, consult a bike technician for further assessment and repair.

24. Battery Not Holding Charge

Description: The battery of the VIVI M026TGB Electric Bike does not hold a charge or drains quickly.

Cause: Possible causes include a faulty battery, improper charging, or high power consumption.

Troubleshooting:

• Ensure that the battery is properly connected and securely attached to the bike.
• Follow the manufacturer’s guidelines for charging the battery and avoid overcharging.
• If the battery is old or damaged, consider replacing it with a new one.
• Check for any power-consuming accessories or components that may be draining the battery and disconnect if necessary.
• If the battery issues persist, contact customer service or a bike technician for further assistance.

25. Insufficient Range

Description: The VIVI M026TGB Electric Bike does not provide the expected range per battery charge.

Cause: Possible causes include battery degradation, high power consumption, or riding conditions.

Troubleshooting:

• If the battery is old or degraded, consider replacing it with a new one for improved range.
• Avoid excessive use of power-consuming features and adjust riding style to optimize battery efficiency.
• Consider external factors such as terrain, wind resistance, and rider weight that may affect the range.
• If the range remains insufficient, contact customer service or a bike technician for further assistance.

VIVI M026TGB Electric Bike Error Codes

Error Code 1: Low Battery

Problem Description: The electric bike displays Error Code 1, indicating a low battery level.

Problem Cause: The battery charge has reached a critically low level, triggering the error code.

Problem Solution:

• Stop riding the bike and find a safe location to park.
• Connect the bike to a power source and begin charging the battery.
• Wait until the battery is adequately charged before resuming riding.

Error Code 2: Motor Overheating

Problem Description: The electric bike displays Error Code 2, indicating motor overheating.

Problem Cause: The motor has exceeded its operating temperature limit, leading to overheating.

Problem Solution:

• Stop riding the bike and allow the motor to cool down.
• Avoid using the bike in demanding conditions or uphill climbs for extended periods.
• Check for any obstructions or debris blocking the motor vents and remove them if present.
• Resume riding once the motor has cooled down to a safe temperature.

Error Code 3: Throttle Malfunction

Problem Description: The electric bike displays Error Code 3, indicating a throttle malfunction.

Problem Cause: There is an issue with the throttle mechanism, resulting in a malfunction.

Problem Solution:

• Stop using the throttle and rely on pedal-assist or regular bike mode for riding.
• Inspect the throttle for any visible damage or loose connections.
• If there are no visible issues, contact customer service or a bike technician for further diagnosis and repair.

Error Code 4: Controller Error

Problem Description: The electric bike displays Error Code 4, indicating a controller error.

Problem Cause: There is an issue with the bike’s controller, which manages the electrical system.

Problem Solution:

• Turn off the bike and wait for a few seconds.
• Restart the bike and check if the error code persists.
• If the error code continues to display, contact customer service or a bike technician for further diagnosis and repair.

Error Code 5: Sensor Malfunction

Problem Description: The electric bike displays Error Code 5, indicating a sensor malfunction.

Problem Cause: One or more sensors on the bike, such as the speed sensor or pedal-assist sensor, are not functioning properly.

Problem Solution:

• Check all sensors for any visible damage or loose connections.
• Clean the sensors and ensure they are properly aligned.
• If the problem persists, contact customer service or a bike technician for further diagnosis and repair.

Customer Reviews for VIVI M026TGB Electric Bike

Positive Reviews from VIVI M026TGB Electric Bike Users

• Some users were satisfied with the bike’s tall frame and weight capacity, making it suitable for their needs.
• Positive feedback highlighted the ease of assembly and enjoyable riding experience.
• Many users appreciated the bike’s performance, including its powerful motor and controllable power through the throttle.
• The bike’s brakes and suspension system were praised for providing a smooth and comfortable ride.
• Several users mentioned the stylish design and foldable carbon steel frame, making it practical for both city commuting and weekend adventures.
• Users found the 21-speed feature to be versatile and useful for different terrains.
• Positive comments were made about the one-year warranty on the motor and battery components, giving users peace of mind.

Negative User Reviews of the VIVI M026TGB Electric Bike

• Some users experienced issues with the power switch, which broke and couldn’t be fixed.
• A few users reported missing pedal parts during delivery, which required additional waiting time for replacements.
• There were complaints about the difficulty in contacting customer service for assistance with issues.
• Some users mentioned the need for clearer instructions and assembly steps during bike setup.
• There were suggestions for improvements, such as a clearer LCD display panel and more detailed warranty terms.
• Users mentioned the desire for better after-sales service and friendlier customer support.
• A few users had received the wrong item but decided to keep it due to the higher value.

All user reviews mentioned above were sourced from Walmart.com.

The majority of users expressed satisfaction with the VIVI M026TGB Electric Bike. Positive feedback was received regarding the bike’s performance, comfort, design, and warranty. However, there were also negative reviews highlighting issues with the power switch, missing parts, customer service, and the need for clearer instructions. It’s important for potential buyers to consider both the positive and negative aspects before making a purchase decision.

VIVI M026TGB Electric Bike Manual

The instruction manual for the VIVI M026TGB Electric Bike can be found here. It is recommended to refer to the manual for detailed information on assembly, usage, and troubleshooting.

VIVI M026TGB Electric Bike Frequently Asked Questions

1. How do I assemble the VIVI M026TGB Electric Bike?

The VIVI M026TGB Electric Bike comes 90% pre-installed. You will need to install the handlebar, seat, and other parts on the frame. Please refer to the instruction manual for step-by-step assembly instructions.

2. What is the maximum speed and mileage range of the VIVI M026TGB Electric Bike?

The VIVI M026TGB Electric Bike can reach a maximum speed of 19MPH. In electric mode, the mileage range is approximately 32 miles, while in pedal assist mode, it can reach up to 50 miles.

3. How can I ensure the safety of my ride with the VIVI M026TGB Electric Bike?

The VIVI M026TGB Electric Bike is equipped with front and rear disc brakes for progressive braking under any terrain. Additionally, the bike features a brake power-off protection system to enhance safety. It is important to follow all safety guidelines provided in the instruction manual.

Conclusion

In conclusion, if you encounter any issues with your VIVI M026TGB Electric Bike, it is recommended to always refer to the instruction manual for guidance. For further assistance, please reach out to VIVI’s customer service or visit a certified service center. By following these steps, you can ensure a prompt resolution to any problems and continue enjoying your electric biking experience.