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The vehicle slows down or the steering servo shows only slight or no reaction; the range between transmitter
and vehicle is very short
• The drive battery is weak or discharged.
For a speed controller with BEC, the receiver and thus also the steering servo is supplied with power through the
drive battery. Therefore, a weak or discharged drive battery will cause the receiver to no longer work properly. Re-
place the drive battery with a new, fully charged one (before inserting a new drive battery, wait at least 5 - 10 minutes
until motor and speed controller have cooled down sufficiently.
• Check the batteries/rechargeable batteries in the transmitter.
The vehicle doesn‘t drive in a straight line correctly
• Set straight driving at the transmitter using the respective trimming control for the steering function.
• Check the steering rods or the servo arm and its screw connection.
• Did your car have an accident? If so, check the vehicle for any defective or broken parts and replace them.
Steering works opposite to the way the turning wheel is turned at the transmitter
• Activate the steering reverse setting at the transmitter.
Driving works opposite to the movement of the throttle/brake lever at the transmitter
• Usually, the vehicle should drive forwards if you pull the throttle/brake lever at the transmitter towards the handle.
If this is not the case, activate the reverse setting for the driving function at the transmitter.
• If the motor has been disconnected from the speed controller, swap the motor cables.
For a brushless electric motor, two of the three motor cables must be swapped. This will reverse the rotational
direction of the brushless motor.
The steering is not functioning or is functioning incorrectly, steering deflection at the vehicle insufficient
• If the transmitter offers dual rate settings, check these settings (observe transmitter’s operating instructions). If the
dual rate setting is too low, the steering servo will no longer react.
• If the transmitter has an „EPA“ setting („EPA“ = „Endpoint Adjustment“), check this setting and correct it if required.
• Check the steering mechanics for loose parts; e.g. check if the servo arm is properly attached to the servo. Check
if there may be a small stone that blocks the steering mechanic function.
