Modernized electric scooters are a great way to get around for commutes or just for fun, but like any motorized vehicle, they do require some upkeep and from time to time will require repairs. While it’s often preferable to have repairs and troubleshooting done by a professional, knowing how to do repairs yourself is a valuable skill. Controllers are especially given to problems, so below we’ll walk through how to repair an electric scooter controller.

KEY TAKEAWAYS:

  • A scooter with a damaged or malfunctioning controller will not run at all
  • The controller can be easily dismantled and internal parts replaced
  • Controllers are susceptible to fire damage due to overheating- always check for the smell of electrical fire

Thankfully, most controller and throttle issues are relatively pain-free to deal with, so you can save yourself time and money by making the repairs and troubleshooting into your own hands. Knowing how to wire electric scooters is also another great skill to have under your belt. Below we’ll start by showing you how to troubleshoot scooter controller problems.

Troubleshooting and Repairing Electric Scooter Controller Issues

What is the speed controller?

The speed controller is a component on an electric scooter that keeps the scooter within a set speed range for both safety and compliance reasons. It lessens the need for effort on the part of the driver as well as reduces the chance for human error, but it’s a delicate electronic component that is somewhat prone to damage. If your scooter is malfunctioning, the controller is one of the first things you should check on. This DIY will save you money in repairs, which is one of the great benefits of electric scooters.

Troubleshooting and Repairing the Controller

  1. Switch on the scooter in order to get power to the controller to properly test it. If it’s still running at all, try riding a short distance in a safe area at a slow speed, so that you can A/B performance and functionality after you’ve troubleshot the controller and made any necessary repairs or component replacements.
  2. Start by looking at the external electric wiring of the speed controller. Look at the circuit breaker, fuse, and switch for any obvious damage and check for any unusual fumes are smells coming from the controller and the rest of the scooter, which may indicate fire damage.
  3. Once you’ve determined which part of the speed controller is damaged or having issues, turn off the scooter and dismantle the controller using a small Phillips head screwdriver. Loose wires should be tightened and broken wires replaced, and if a fuse or circuit breaker has burnt out, you can replace them with matching components.
  4. Once any internal issues with the speed controller have been dealt with, carefully reassemble it. Care is recommended here as it is a common step to make mistakes on- make sure wires are securely connected and all screws are tightened fully. You can then reattach the controller, making sure the connections are correct and it’s securely attached.
  5. Turn the scooter back on and try driving it a short distance to see if the problems you experienced persist. Keep in mind that problems with your scooter can occur from a combination of malfunctioning components, but dealing with damaged controlled parts is always a good idea regardless.

F.A.Q.

Can I remove my electric scooter’s speed controller and still operate it?

While it’s often technically possible to run your scooter without the speed controller, this can seriously affect its safe use and reliability. Laws in your state will likely effectively forbid it, since it can allow riders to reach illegal speeds.


How do I reset the speed controller on my electric scooter?

Generally speaking, resetting your speed controller in case of electronic malfunction like overloading is as easy as pressing down and holding the reset button.


How do I test the speed controller on an electric scooter?

While there’s no easy DIY way to test the speed controller independently, the scooter will not run at all if the controller is broken or severely damaged, so if it’s still running, you can rule out the controller. If it doesn’t run, inspecting and dismantling the controller looking for obvious damage is a good first step.


What are the most common issues people have with their electric scooters?

The most common issues people experience with their e-scooters are the battery pack not charging, the scooter running slowly (generally due to a malfunctioning speed controller), and abnormal brake noises.


STAT: Always keeping your battery charged beyond 10% can extend the life of your scooter and its components (source)

STAT: Speed controllers allow for the safe and reliable use of an electric scooter as well as speed limit compliance (source)

STAT: An electric scooter will not run with a damaged or malfunctioning speed controller (source)

Ryan Mcbride

Ryan McBride is a writer based in Los Angeles. He has contributed work to magazines and sites including Gayot, Spy, Paper, Ladygunn, 3AM and the Crab Creek Review. He writes consumer reviews, essays, science and tech journalism as well as literary and art criticism.

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