The display shows Error Code 5

If your WANDLER electric scooter displays Error Code 5, there is a brake fault. In most cases, the controller does not detect a correct signal from one of the brake levers. The cause is often a loose plug connection on the brake lever or on the controller.

If all plug connections have been checked and the error is still displayed, it is likely that one of the two brake levers is defective and needs to be replaced.

What does Error Code 5 mean?

Error Code 5 indicates a problem with the brake signals. The brake levers send a signal to the controller. This signal is important so that the scooter knows whether braking is occurring or if the brake is released.

If a brake lever continuously sends a wrong signal or no correct signal is detected, the controller may report an error. Depending on the situation, the scooter may not start normally or may not react as expected.

Common causes for Error Code 5

• loose plug connection on a brake lever
• plug not fully engaged
• plug connection on the controller loose or not correctly connected
• damaged or pinched cable on the brake lever
• contact problem due to moisture, dirt or corrosion
• defective left or right brake lever

Step 1: Switch off the scooter

First, completely switch off the electric scooter. If possible, disconnect the power supply or remove the battery, if this is possible with your model.

Step 2: Check plug connections on the brake levers

First, check the plug connections on both brake levers. Even a loose or not fully connected plug connection is enough for the controller to detect the brake fault.

• check left brake lever
• check right brake lever
• carefully inspect the plug
• loosen and reconnect the plug if necessary
• ensure that the connection is straight and fully seated
• check the cable on the brake lever for kinks, pinches or damage

Pay particular attention to cable areas directly on the handlebars and near the brake levers. Cables can be stressed there by movement, tension or installation.

Step 3: Check plug connection on the controller

If the plug connections on the brake levers are in order, the connection on the controller should be checked. A plug can also be loose there or not have a clean contact.

• carefully inspect controller plug connections
• check the plug for the brake lever signals
• loosen and reconnect the plug if necessary
• check contacts for moisture, dirt or corrosion
• check the cable routing between the handlebars and the controller

Step 4: Check cables for damage

Check the brake lever cables for visible damage. Particularly important are areas where cables are routed through the handlebars or are stressed by movement.

• check visible insulation
• look for pinched or trapped cables
• check for kinks
• look for chafing marks
• do not pull or twist cables with force

If a cable is visibly damaged, the scooter should not be used further until the connection has been professionally checked or repaired.

Step 5: Restart scooter and test brakes

After the plug connections and cables have been checked, the scooter can be switched on again. Operate both brake levers individually and check if the error is still displayed.

If Error Code 5 is no longer displayed, a loose plug connection or a contact problem was very likely the cause.

If Error Code 5 is still displayed

If all plug connections on the brake lever and on the controller have been checked and the error is still displayed, it is likely that one of the two brake levers is defective.

In this case, it should be checked which brake lever is causing the faulty signal. The affected brake lever must then be replaced.

Replacing the brake lever

When replacing the brake lever, care must be taken to ensure that the spare part matches the respective WANDLER model, year of manufacture and the existing plug connection.

• check suitable WANDLER model
• correctly assign left or right brake lever
• compare plug and cable length
• check brake function after installation
• perform a function test before the next ride

Conclusion

Error Code 5 on the WANDLER electric scooter means that a brake fault has been detected. In most cases, the cause is a loose plug connection on a brake lever or on the controller.

Therefore, first check both brake levers, the plug connections on the controller and the visible cables. If all connections are in order and the error is still displayed, one of the two brake levers is probably defective and needs to be replaced.