Jul 29, 2025 || by TangJaney

Electric Scooter Error Codes List

Electric scooter error codes serve as diagnostic signals that alert riders to specific malfunctions within the scooter’s system. These codes can point to a wide range of issues, including faults with the motor, battery, controller, throttle, or brake sensors.

Understanding what these error codes mean is crucial for effective troubleshooting and repair. Some errors may indicate minor problems that can be resolved with a simple reset, while others may point to more serious faults requiring part replacements or professional servicing.

In this guide, we’ll break down common electric scooter error codes, explain what they mean, and provide practical steps for diagnosing and fixing these issues.

How Do The Error Codes in Electric Scooter Work?

Like any electric vehicle, an electric scooter can experience breakdowns caused by faulty or malfunctioning components. These issues might involve the motor, battery, controller, brakes, or other key parts of the system. To help diagnose these problems, most modern scooters display error codes directly on their screens, serving as quick diagnostic indicators that point to the source of the malfunction.

Each error code corresponds to a specific issue, making it easier to identify whether the fault is minor (such as a temporary sensor glitch) or more serious (like a controller or battery failure). To ensure you’re working with the most accurate and up‑to‑date information, it’s always recommended to check with your scooter’s manufacturer.

It’s important to note that error codes differ from one scooter model to another. This means that a code used by one brand may have a completely different meaning on another.

Electric scooters—including models in the iScooter line (i9, i10, iX3, iX4, iX5S, iX7Pro, and more)—use on-screen error codes to identify faults in components like the motor, controller, accelerator, or brakes. These error codes provide immediate diagnostic insight and help determine the necessary repair steps.

List of iScooter Electric Scooter Error Codes

If you own an iScooter electric scooter, you may encounter error codes displayed on the screen. These codes act as built‑in diagnostics, giving you clear insights into what’s causing a malfunction.

Here’s a beginner‑friendly table summarising the error codes for iScooter models i8, i8L, i9, i10, i10Max, i10Pro, iX3, iX4, iX5S, i12, i14, iX7Pro, iX8 along with what each code means and recommended quick actions.

Error Code	Recommended Action
E2	Inspect the motor phase wiring for any signs of wear, breakage, or other damage. If defects are found, repair or replace the wires. If the problem continues, consider replacing the controller.
E3	Indicates a malfunction with the electronic brake. Examine the brake handle’s electronic system for faults. If the brake isn’t sticking during start-up, replace the brake handle with one equipped with a functioning electronic brake.
E5	Low-voltage protection is activated. Connect the scooter to the charger for a period of time—this should clear the code. If the alert remains after charging, the battery will need replacement.
E6	1. Check the connection between the dashboard and the main communication cable, as well as between the controller and main cable. Unplug and firmly reconnect each. 2. If the fault persists, replace the communication cable.
E7	The input voltage exceeds the controller’s rated maximum. Install a compatible replacement battery.
E8	Fault within the controller. Swap out the controller for a new unit.
E10	1. Examine the dashboard wiring and connectors for any looseness or misalignment. Reseat them securely. 2. Remove the scooter’s lower cover and ensure all connections from the controller are firmly in place. If the fault remains, replace both the display unit and controller with matching components.
E11 / E12 / E13	Motor phase current sensor issue detected. Check the controller’s phase wiring and motor connections. Replace the controller if necessary.
E14	1. Confirm that the throttle returns to its neutral position—press it several times to test. 2. Disconnect and reconnect the throttle’s electronic cable, then restart the scooter. If unresolved, install a new throttle.
E15	1. Make sure the brake lever fully returns to its resting position—press it repeatedly to check. 2. Disconnect and reconnect the brake lever’s electronic cable, then restart the scooter. If the fault continues, replace the brake lever.
E16	The Hall sensor connection between the motor and controller may be loose or disconnected. Secure the connection. If the issue persists, replace the motor wheel.

Common Electric Scooter Error Codes and Quick Fixes for Major Brands

Electric scooters can display a wide range of error codes, but some appear more frequently than others. To make troubleshooting easier, we’ve compiled a handy reference list of common error codes and their meanings, helping you quickly identify what’s wrong and take the right steps to fix it.

Here’s a comprehensive table of error codes for different electric scooter brands, organised by model and error code for quick reference.

Brand / Model	Error Code	Issue Description
Xiaomi (M365 / Pro / 1S / Pro 2 / Essential)	10	Display-controller communication error
	11	Motor phase A fault
	12	Motor phase B fault
	13	Motor phase C fault
	14	Accelerator handle-controller connection error
	15	Brake sensors error
	18	Motor sensors fault
	21	BMS communication fault
	22	Incorrect BMS password
	23	Incorrect BMS serial number
	24	Battery voltage issue
	26	Memory data storage problem (controller)
	27	Incorrect controller password
	28, 29	MOSFET transistor fault
	31	Software error – consider reloading software
	35	Incorrect scooter serial number
	39	Battery temperature issue
	40	Controller temperature issue
Xiaomi (Audible)	1 long	Panel communication faulty
	1L + 1S to 1L + 5S	Motor phase and sensor faults
	2L + 1S to 2L + 9S	BMS, MOSFET, and controller faults
	3L + 1S, 3L + 5S, 3L + 9S	Software, serial, and battery temp faults
	4 long	Controller temperature issue
Segway / Ninebot	10–15	Controller, motor phases, throttle, and brake errors
	16–17	Internal/external battery MOS replacement error
	18	Motor sensor problem
	19–20	Battery voltage (internal/external) incorrect
	21–23	BMS communication / password / serial number issues
	24	System voltage detection incorrect
	26–27	Flash memory / control code error
	28–29	MOSFET transistor invalid state
	31, 35	Software / serial number error
	39–41	Temperature errors (battery/controller/external battery)
	42–44	External battery communication/code/serial number issues
	45–46	Deep BMS discharge (internal/external)
	47–48	Internal/external BMS communication fault
	49–50	BMS flash memory incompatibility
Kugoo (S1, M4, G2, G-Booster)	0	Normal condition
	1	Motor fault
	2	Throttle fault
	3	Controller fault
	4	Brake lever fault
	5	Undervoltage protection
	6–7	Display-controller communication faults
Zero (10X, 11X)	0	Normal condition
	1	Meter issue
	2	Brake problem
	3	PAS sensor fault
	6	Battery voltage too low
	7	Motor fault
	8	Throttle fault
	9	Controller fault
	10–11	Dashboard-controller communication issue
	12	BMS communication fault
Vsett (8+, 9+, 10+)	0	Normal
	1	Meter issue
	2	Brake fault
	3	PAS sensor fault
	6	Battery voltage too low
	7	Engine fault
	8	Throttle fault
	9	Controller fault
	10–11	Communication error (dashboard/controller)
	12	BMS communication fault
KuKirin (G2 Pro, G3, M4)	E1 / E-001	Motor issue
	E2 / E-002	Throttle error
	E3 / E-003	Controller failure
	E4 / E-004	Brake issue
	E5 / E-005	Display-controller communication issue
	E6 / E-006	Low battery voltage or BMS fault
	E7 / E-007	Motor/controller overheating
	E-011	Rear motor issue (dual-motor models)
Kaabo (Mantis, Wolf Warrior)	E01	Motor failure – check wires and connectors
	E02	Throttle error
	E03	Controller malfunction
	E04	Brake issue
	E06	Communication error (controller/display)
Dualtron (Thunder, Ultra)	E1	Motor issue (wiring/Hall sensors)
	E2	Controller failure
	E3	Throttle issue
	E4	Battery voltage / BMS fault
	E5	Brake malfunction
Pure Electric (Air, Air Pro)	E01	Low battery voltage
	E02	Motor failure
	E03	Controller issue
	E04	Throttle or brake error
	E07	Overheating – allow cooldown

Best E Scooter for Commuter UK at iScooter

Specification	iScooter i8	iScooter i9
Image
Maximum Speed	15.6 mph (25 km/h)	18.6 mph (30 km/h)
Maximum Range	12 miles (20 km)	18.6 miles (30 km)
Motor Power	350W	350W
Speed Modes	3 (6 km/h, 15 km/h, 25 km/h)	3 (before unlocking: 6/15/25 km/h; after unlocking: 10/20/30 km/h)
Climbing Angle	15%	15%
Battery Capacity	36V 5.2Ah (187Wh)	36V 7.5Ah (270Wh)
Charging Time	4–6 hours	3–5 hours
Tyres	8.5" pneumatic tyres	8.5" honeycomb solid tyres
Brakes	Front: EBAS electronic brake Rear: hub brake	Front: E-ABS electronic brake Rear: disc brake
Lights	Front + rear LED lights	Front + rear LED lights Flashing brake light
Water Resistance	IP54	IP54
Weight	26 lbs (12 kg)	26.4 lbs (12 kg)
Foldable	Yes	Yes (2-step folding)
Dimensions (Unfolded)	105 × 45 × 110 cm	108 × 43 × 112 cm
Dimensions (Folded)	105 × 45 × 49 cm	108 × 43 × 50 cm
Smart App Connectivity	No	Yes (KCQ or Tuya App via Bluetooth)
Display	Multi-functional LED display	Full-colour dashboard display
Max. Rider Weight	220 lbs (100 kg)	220 lbs (100 kg)
Minimum Age	12+ years	12+ years
Cruise Control	Yes	Yes
Bell & Reflectors	Yes	Yes

Best iScooter Off Road Electric Scooter

	iX7Pro	i10Plus	iX4	iX5S	iX6
Image
Price	£745.99	£398.99	£458.99	£595.99	£599.99
Motor	2000w	800 W	800 W	1000 W	1200 W
Maximum Range	50miles	31miles	31miles	34miles	37miles
Top Speed	38mph	30 mph	30 mph	30 mph	30 mph
Battery Capacity	17.5Ah (840Wh)	17.5Ah (630Wh)	15 Ah (720Wh)	15 Ah (720Wh)	17.5 Ah (840Wh)
Suspension	Dual front and rear suspension	Front and Rear double Suspension	Front and Rear double Suspension	Front and Rear Suspension System	Front and Rear double Suspension
Wheel Type	Off-Road Tubeless Tyres	Pneumatic Tyres	Pneumatic off-road Tyres	Pneumatic off-road Tyres	Pneumatic off-road Tyres
Net Weight	29.7 kg	44lb (20 kg)	57.43lbs (26.05kg)	60.16lbs (27.29kg)	53.4lbs (24.2kg)
Load Capacity	330 lbs (150kg)	264lbs (120kg)	330lbs (150kg)	330lbs (150kg)	330lbs (150kg)
Climb Ability	25%	20%	25%	30%	35%
Tyre Size	10''	10''	10''	11''	11''
Light	Front LED + Rear LED lights	Headlight + Break light + Turn light	Headlight + Break light + Turn light + Ambient light	Headlight + Break light + Turn light + Ambient light	Headlight + Break light + Turn light + Ambient light
Brakes	Front and rear disc brake + electronic brake	Front and rear disc brake + electronic brake	Front and rear disc brake + electronic brake	Front and rear disc brake + electronic brake	Front and rear disc brake + electronic brake

Conclusion

Understanding electric scooter error codes is the key to troubleshooting issues quickly and getting back on the road with confidence.

Make it a habit to pay attention to your scooter’s warnings, perform regular maintenance checks, and seek professional help when needed. With proper care, your scooter will deliver safe, smooth, and enjoyable rides for years to come.

For more expert tips, troubleshooting guides, and insights on electric scooters and e-bikes, visit the iScooter blog.

Ready for your next ride? Explore our collection of eco-friendly, high-quality electric scooters at iScooter and enjoy every journey—worry-free!

FAQs

What is the error code E1 E2 E3 E4 electric scooter?

These codes usually mean there’s a problem with the throttle (E1), brakes (E2), motor (E3), or controller (E4). If you see one of these, check the related part for loose wires or damage. Restarting your scooter or tightening connections often helps. If the code stays, ask a repair expert for help.

How to reset the error code on an electric scooter?

To reset an error code on your electric scooter, first turn it off and unplug it from the charger. Some scooters have a reset button—press and hold it for about 10 seconds. Others may need you to do a special button sequence, like holding the brake and throttle while turning it on. Since this can be different for each model, check your scooter’s manual for the exact steps. Once done, turn your scooter back on to see if the error is cleared.

What does E1 and E2 mean on an electric scooter?

E1 usually means the throttle isn’t working right, while E2 is often about the brakes. Check if the throttle and brake levers move smoothly and aren’t stuck. Make sure the wires for these parts are connected tightly. If you can’t fix it yourself, a scooter shop can help.

Why is my electric scooter beeping and flashing?

Beeping and flashing lights are your scooter’s way of warning you about a problem. It could be a low battery, a stuck brake, or another issue. Check your scooter’s display or manual to see what the signals mean. Fixing the cause usually stops the beeping and flashing.

Do I need professional help for persistent error codes?

Yes — if the error code won’t go away after basic troubleshooting, it’s best to get professional help. This usually means there’s a deeper problem that needs special tools or expert knowledge to fix.