E-Lux bikes are fantastic for beginners. They have upright riding positions, are easy to use, and are really functional.
E-Lux E-Bike Showing an Error Code? Full List of Meanings & Solutions
Written by: Robbie Ferri | January 31, 2026 | Time to read 6 min
Seeing an error code on your E-Lux e-Bike? Here’s what it means and what to do next.
More about the Author: Robbie Ferri
Robbie is a UK-based ultra cyclist, former bike shop worker, and qualified bike fitter. Deeply passionate about e-Bikes and adventure cycling, he combines hands-on experience with real-world riding to help others go further on two wheels.
E-Lux bikes have become very popular in recent years and are well on their way to becoming a highly sought-after e-Bike brand. They have great functionality, style, and are an amazing value for money electric bike.
A great feature of an E-Lux bike is that it's not only a great electric bike but also tells you when something is wrong via error codes from many of its sensors. In this article, we’re going to be discussing these error codes and what they mean.
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Table of Contents
Should I Worry If I See An Error Code?
Error Code E6 – Low Voltage (Battery)
Error Code E8 – Throttle Issue
Error Code E9 – Controller Issue
Error Code E10 – Communication Receiving Error
Error Code E11 – Communication Sending Error
Error Code E12 – BMS Communication Error
Error Code E13 – Front LED / Light Error
Error Code 21 – Current Abnormality
Error Code 22 – Throttle Abnormality
Error Code 23 – Motor Sensor Error
Error Code 24 – Motor Communication Error
Error Code 25 – Brake Abnormality
Error Code 28–30 – Communication / Other Errors
Should I Worry If I See An Error Code?
Not always. You would be surprised just how easy many of the error codes are to fix. There’s even a code to tell you everything is ok. Most codes can be dealt with yourself. Some serious codes require you to see an expert e-Bike mechanic. It might be for a diagnostic check or work on more complex parts of the bike.
E-Lux And Its Error Codes
E-Lux electric bikes were founded in 2014 in Southern California. The bikes are not only designed but also engineered in the USA. They focus on style, comfort, and functionality. Their range includes cruiser, fat tire, step through, commuting, and even folding bikes. They don’t make many road bikes.
Error Codes
Before we discuss the error codes, it is helpful to understand how they are listed, as there are two types. Codes that start with an E are display-level or controller-level errors. Codes that are just numbers are motor control logic generated inside the controller.
E-Lux Error Codes List
Error Code E00 / E0 – Normal
If you ever see this error code, it means everything ok. It’s done a system check, and everything has come back fine.
There’s nothing you need to do here.
Error Code E2 – Brake Issue
The brake issue error code indicates that the bike is sensing that the brake cut-off is activated. Typically, from the lever being pressed. This stops the motor from starting.
First, check that the brake levers are not sticking or pulled in. Next, inspect for damage or any loose connections or cables. If the issue persists, replacing the brake sensor is recommended.
Error Code E6 – Low Voltage (Battery)
Low voltage is not a good sign on an e-Bike. It’s when the motor isn’t getting what it requires from the battery, and the safety is cutting in to stop it working. This could be a bad battery or even cold temperatures.
To restore the battery to a normal voltage, switch everything off, fully charge the battery with the original charger, and try again. If the problem continues, have the battery tested.
Error Code E7 – Motor Issue
The motor issue error code is a defense mechanism in the controller to prevent the motor from harming itself. It’s often caused by overheating, cable damage, or an internal motor fault.
The first step is to stop using the bike and allow it to cool down, as overuse may have caused the issue. Next, check for cable damage or poor connections. If all of these are in good condition, an internal motor fault is likely.
Error Code E8 – Throttle Issue
The throttle error code E8 is an issue with the throttle. It means the throttle is typically open and not returning to neutral. Generally, a sticky throttle, a bad sensor, or damaged wiring.
The best way to fix this issue is to check that the throttle itself operates properly. Then, look for any damaged wiring. If all that fails, a new throttle sensor should fix it just fine.
Error Code E9 – Controller Issue
The controller issue is a warning that the controller is malfunctioning. It could be an electrical fault, a component failure, or overheating.
Resetting the system is the best place to start. If that doesn’t solve the error code, or it keeps returning, a new controller could be in order if an expert can fix it.
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Error Code E10 – Communication Receiving Error
The controller is not receiving data from another component. This is generally down to loose connectors, damaged wires, or moisture ingress.
Check the bike for wire damage, broken connections, and moisture ingress. This will more than likely be the cause. If not, an expert will need to see it for diagnostics.
Error Code E11 – Communication Sending Error
The controller cannot send data to connected components. The opposite of the above. It's where the controller cannot send data outward. Often, it is due to a faulty controller.
With this error, it’s a good idea to see an expert. The only recommendation is a full reset and, if required, a firmware update.
Error Code E12 – BMS Communication Error
Loss of communication between the controller and battery management system. Often, it is due to poor connections or old battery contacts. Worst case, a BMS fault.
This is often a very easy fix or a tough fix. Remove the battery, then check the terminals and connections. Clean them if required and put the battery back in place. If there’s still no change, it might be a good idea to see an expert about a possible battery replacement.
Error Code E13 – Front LED / Light Error
Error code E13 refers to a light error. It can be caused by a damaged component, a short circuit, or even faulty wiring or connections.
Check the bike for any damage to the wire going to the LED at the front and rear, if your bike has one. If it’s all in good condition, it could be a broken light. It would be good to have an expert look.
Error Code 21 – Current Abnormality
This is when the bike draws too much current, triggering the safety protections. Often from using too high an assistance for too long. Quite common on very steep climbs.
Reduce the assist level and let the system cool down a bit, or stop and turn the bike off. Just go a little easier on the bike.
Error Code 22 – Throttle Abnormality
When you get a throttle abnormality, it's the bike sending a warning that the throttle is stuck open. It does this, so if we were to start the bike, it wouldn’t just jolt forward. Commonly caused by a sticky or broken throttle.
Inspect the throttle unit first for any damage, then the cable and connector. If nothing is wrong, the best bet is to replace the entire throttle mechanism.
Error Code 23 – Motor Sensor Error
The motor sensor error is the bike telling you it is getting no readings or incorrect readings from the hall sensor in the motor.
Check motor wiring. An expert may be required to perform internal motor repair. We don’t recommend opening it up yourself.
Error Code 24 – Motor Communication Error
A motor communication error occurs when the bike's controller can’t properly speak to the motor. Often caused by a faulty controller, mismatched firmware, or damage somewhere.
Check the wiring and ensure the connections are properly installed and clean. If that doesn’t work, update the firmware. In the worst case, it might be a controller issue that a dealer needs to check.
Error Code 25 – Brake Abnormality
A brake abnormality occurs when the bike receives a signal that the brake lever is compressed, even though it is not. This is common with a faulty brake sensor or just a sticky brake lever.
The best place to start is to check the levers first. Ensure they are fully working and return to their original position. If the error keeps coming back, then it’s more than likely the sensor.
Error Code 28–30 – Communication / Other Errors
These error codes are very general and occur when communication issues arise between components. It could be faulty wiring, bad sensors, or connections.
It’s good to check over the wiring and connectors to find where this error is. If not, ensure the sensors are all working.
Frequently Asked Questions
Are E-Lux e-Bikes good for beginners?
What motors do E-Lux e-Bikes use?
Most E-Lux models use rear hub-drive motors, which produce around 500-700w of power. Good for the city riding and still enough power for steep hills.
Are replacement parts easy to find for E-Lux bikes?
Yes. Because E-Lux uses common components and controller systems, parts such as throttles, displays, brake sensors, and batteries are generally easy to source through E-Lux or third-party suppliers.
Key Takeaways
- E-Lux e-Bike error codes are to protect the bike from causing harm to itself when something isn’t right. It could be anything from low voltage to even a loose connection.
- The most common errors we see are communication errors and sensor faults. Not rare and pretty easy to fix in many cases.
- The concerning codes are internal faults in the motor and the controller. These need expert attention and, unfortunately, repairing them is often costly.
