Many error codes go away after a bike reset. These can often just be glitches. The serious errors are those that occur regularly or prevent the bike from working altogether.
Norco E-Bike Error Codes: What Each Code Means and What To Do
Written by: Robbie Ferri | January 31, 2026 | Time to read 6 min
From battery warnings to motor faults, this guide explains Norco e-Bike error codes in plain English.
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.
When it comes to electric bikes, we are in a very exciting time. The technology is excellent, they look great, some can’t even be differentiated from a normal bike, and the power and range they produce are incredible.
It’s good to understand that electric bikes also offer a feature that normal bikes don't. These are error codes. Error codes protect the bike from harm and warn you of potential issues. In this article, we’re going to be discussing Norco e-Bike codes and how to decipher them.
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What Motors Do Norco E-Bikes Use?
Norco Bikes was founded in 1964 in Port Coquitlam, British Columbia. They originally focused on 10-speed bikes, but over the years, they moved on to BMX, hardtail, and full suspension mountain bikes, and now electric bikes. The electric bikes are mainly mountain bikes and are made for epic off-road riding.
Norco uses Bosch and Shimano motors, which are the top of the line in the industry. They are lightweight, powerful, have great battery capacity, and are designed to last. Here’s a little about them.
Are E-Bike Error Codes Serious?
Error codes are not always serious. Some can be as simple as a loose connection or even a warning about the temperature rising a little too high. Other times, they are a worry, and it could be an internal motor fault or even a warning to replace a battery.
Norco Electric Bike Error Codes
Error Code 500 – Internal Motor Fault (Drive Unit)
An internal motor fault occurs when something goes wrong within the motor. It could be a service required, a faulty motor, or a poor wiring connection.
An error code like this really needs attention from a dealer or e-Bike mechanic. Opening motors isn’t the best idea unless you have the experience.
Error Code 503 / E030 – Speed Sensor Fault
When a speed sensor fault occurs, it means the bike isn’t receiving data or getting incorrect data. This could be from a misaligned or faulty speed sensor.
Quite often, it's a very easy fix. Clean the sensor and magnet, and make sure they are in the correct place (with the Magnet passing the sensor on each rotation). If that doesn’t work, then replacing the sensor will be the solution.
Error Code 510 / E014 – Motor Temperature Too High
When the motor temperature is too high, the bike will stop working or limit power to protect itself. It can be caused by excessive assistance and heavy loads for prolonged periods.
A simple error to fix. Stop and let the motor cool down, and when returning to riding again, use a higher cadence and reduce the assistance level. Also, check that the motor's ventilation is clear of mud.
Error Code 530 / E031 – Shift / Gear Detection Error
Error code 530/E031 occurs when the bike experiences a shift error. It could be an issue with the automatic transmission. The gear sensor could be out of line, or it could be drivetrain wear.
First, check whether the gear sensor is properly aligned. Then check the drivetrain for wear. If the bike needs a service or a new gear sensor, organise a replacement and avoid shifting under heavy loads in the future.
Error Code 550 – Internal Drive Unit Fault
An internal drive fault generally comes from an electronics fault in the drive unit. It can be mechanical, a sensor issue, or a firmware fault.
It’s good here to stop riding and get to a dealer or e-Bike mechanic as soon as possible. These errors can be an easy fix or quite complex.
Error Code 560 – System Configuration Error
A system configuration error is more related to software than hardware. It often comes from a mismatch of software or components.
The first step to fixing this error is to update the firmware via the application or at a dealer. If that doesn’t work, you might have a component mismatch, which is common after a component replacement.
Error Code E010 – Drive Unit / System Error
The error code E010 indicates that the system has detected an error. It can generally be due to an electrical irregularity or just a glitch.
First, reset the bike (Power Cycle). If that fixes the error, and it doesn’t return, it's just a glitch. If it keeps returning, get it inspected by an expert for further diagnosis.
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Error Code E011 – Motor Unit Error
A motor unit error is caused by an electronic motor problem or an internal sensor fault. Unfortunately, it's quite a vague error.
Unfortunately, this is an error that needs further investigation from an expert or a diagnostic tool.
Error Code E012 – Motor Communication Error
A motor communication error occurs when the motor and the controller are not communicating. It typically refers to poor connectors or damaged wiring.
Start by inspecting the bike. Look for any damaged cables that need attention. Then inspect the connectors, take them apart, and check for moisture ingress or bent pins. Clean and put them back together. This should fix the problem.
Error Code E013 – Motor Overcurrent
A motor overcurrent occurs when the motor is drawing too much power. Often from very steep climbs, a heavy load, or a sudden surge of acceleration.
To resolve a motor overcurrent, the bike needs some time to stabilize. Reduce assistance and ensure to keep the cadence high after a bike reset.
Error Code E020 – Battery Communication Error
The problem here is that the battery cannot communicate with the rest of the bike. Not a rare code, unfortunately. 90% of the time, this comes down to the battery connection.
Remove the battery, check and clean the connections, and reseat. This will more than likely fix the error. Worst case, it could be a faulty battery or poor wiring.
Error Code E021 – Battery Voltage Abnormal
When we get a battery voltage abnormality, it typically comes from two places. The first is a very low battery charge or an electrical fault.
First, fully charge the battery with the original charger. If that doesn’t resolve the issue, we recommend taking the bike to a dealer and getting the battery tested.
Error Code E022 – Battery Temperature Error
This is when the battery temperature is not in the range it should be for operational use.
The simple fix is to let the battery return to room temperature. You can bring it inside and let it cool down or warm up. We don’t recommend speeding up the process with a heater or cooler. Let it happen naturally.
Error Code E023 – Battery Output Blocked
A battery output blocked error occurs when the battery refuses to output power. This is caused by overcurrent, overheating, or an internal battery fault.
Let the battery return to normal temperature. Then reset (Power Cycle) the bike. If this doesn’t clear the error code, or it keeps returning, go to a dealer for inspection.
Error Code 21 – Current Abnormality
A current abnormality commonly occurs due to excessive load with high assistance or an electrical fault.
The best way to address this error code is to stop the bike, reset the system, and then resume riding a little less aggressively.
Error Code 22 – Throttle Error
A throttle error is really common on electric bikes. It is caused by a sticky throttle or a wiring issue.
First, check to make sure the throttle is not stuck open (not returning to the neutral position). Then it’s good to check the wiring and any connections. If the issue is not resolved, a throttle change is not too difficult a job.
Error Code 23 – Motor Phase Error
This is when one of the motor phases isn’t working correctly. Often caused by a loose connector or a damaged cable.
When working with motor phase wires, you have to be really careful. Check the wires for any breaks or damage. If it's clear, we recommend taking it to an expert for a look or a diagnostic test.
Error Code 24 – Motor Hall Sensor Defect
The hall sensor is a small piece inside the motor. It's made to tell the controller and display what’s happening. When it’s broken, the bike is not getting any feedback. Common causes of motor failure or some form of cable damage.
Often a motor service is enough, but sometimes a replacement is needed. Best to speak to an expert here.
Error Code 25 – Brake Sensor Error
A brake sensor error occurs when the bike senses the brake is on and won't start. This is what we call a safety cutout, and it's used a lot when riding an e-bike. Normally, it's a stuck brake lever or a faulty sensor.
Check that the brake lever has returned to its original position. Check for damaged and broken cables. Finally, if that hasn’t resolved the problem, change the brake sensor.
Error Code 28 / 34 – Overvoltage Protection
Overvoltage protection is when the bike switches off because the voltage is too high for its components. Often comes from a faulty battery or an electrical fault.
I would recommend stopping the bike and removing the battery. Give it 5 minutes, return it, and try riding again. If it happens again, speak to the dealer or someone who can test the battery.
Error Code 30 – Communication Error
A communication fault is very general. It means there are parts of the bike that cannot communicate with each other. Often due to internal faults or poor wiring.
In general, communication errors are typically found at the controller. It’s worth checking the cables to see if there’s an issue, but a reset won’t likely help, and the controller will need testing.
How Do I Prevent Error Codes In The Future?
When it comes to preventing error codes, you would be surprised at what actually works. Here’s our 5 top tips!
- Keep the bike clean. Dirt is horrible for electric bikes.
- Regularly service the bike to ensure it runs as smoothly as possible.
- Clean the connections regularly.
- Ensure you use the manufacturer's charger.
- Inspect for damaged wires regularly.
Frequently Asked Questions
Can I reset a Norco e-Bike error code?
Why do Norco E-Bikes show motor temperature errors?
Norco bikes are not your average electric bikes. They are machines designed for some serious riding. Like a sports car, you will have gauges and warnings to keep you posted so you don’t push it too hard.
Do Norco error codes require dealer servicing?
Not all codes require a dealer. A lot will go away with a basic bike reset. The serious problems need a dealer's attention.
Key Takeaways
- Norco error codes are designed to protect the bike's components, and many are just basic warnings. It’s rare that serious errors arise.
- Communication errors are the most common and are often caused by riding conditions or loose sensor connections.
- Persistent motor, battery, or overvoltage error codes need to be seen too quickly. It’s the motor protecting itself. Class this as a warning of a possible major problem.
