10. Other Common Problems

This article features three sections below. Click the links to be redirected to the related part:

(1) List of Problems and Solutions→

(2) Bike’s Serial Number & Registration→

(3) Install the Seat Post→

(1) List of Problems and Solutions

Problems	Possible Causes	Solutions
The bike does not turn on.	1. Insufficient battery power 2. Faulty connections 3. Battery not fully seated in tray 4. Brakes are applied 5. Blown discharge fuse	1. Charge the battery 2. Clean and repair connectors 3. Install battery correctly 4. Disengage brakes 5. Replace discharge fuse
Irregular acceleration and/or reduced top speed	1. Insufficient battery power 2. Loose or damaged throttle 3. Misaligned or damaged magnet ring	1. Charge or replace the battery 2. Replace throttle 3. Align or replace magnet ring
The motor does not respond when the bike is powered on.	1. Loose wiring 2. Loose or damaged throttle 3. Loose or damaged motor plug wire 4. Damaged motor	1. Repair or reconnect 2. Tighten or replace 3. Secure or replace 4. Repair or replace
Reduced range	1. Low tire pressure 2. Low or faulty battery 3. Battery discharged for a long time without regular charges, aged, damaged, or unbalanced 4. Brakes rubbing	1. Adjust tire pressure 2. Check connections or charge battery 3. Balance the battery; Contact Tech Support if range decline persists 4. Adjust the brakes
The battery does not charge.	1. Charger not well connected 2. Charger damaged 3. Battery damaged 4. Wiring damaged 5. Blown charge fuse	1. Adjust the connections 2. Replace 3. Replace 4. Repair or replace 5. Replace charge fuse
The wheel or motor makes strange noises.	1. Loose or damaged wheel spokes or rim 2. Loose or damaged motor wiring	1. Tighten, repair, or replace 2. Reconnect or replace motor

We are always glad and happy to help you. If you have any questions, please feel free to contact us at [e-mail].

(2) Bike’s Serial Number & Registration

You can register your e-bike information in case of theft on the website 529 Garage. It provides free services for storing your e-bike information so that the police and e-bike shops can easily search it.

① The serial number is printed on the head tube near the headlight for e-bike models: Mars 2.0, Mars, Brawn, Cityrun, Ranger, Explore, Sola, Cityscape.

② The serial number is printed at the bottom of the seat post for e-bike models: Ranger S, Horizon.

③ The serial number is printed near the left pedal for e-bike model: Tyson.

We are always glad and happy to help you. If you have any questions, please feel free to contact us at [e-mail].

(3) Install the Seat Post

Before you ride the e-bike, please make sure the saddle and seat post are properly adjusted. Ensure the minimum insertion marking (printed on the seat post) is inside the seat tube on the bike frame. Otherwise, it is easy to break, causing riders to lose control and fall off.

We are always glad and happy to help you. If you have any questions, please feel free to contact us at [e-mail].