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14. Troubleshooting
Even though the model and the remote control system were built according to the state of the art, there may still be
malfunctions or errors. For this reason, we would like to give you some information on how to deal with possible
problems.
The model does not respond
• For 2.4 GHz remote control systems, the receiver must be taught to the transmitter. This process may be referred to
by the terms of „Binding“ or „Pairing“. The teaching process usually was performed by the manufacturer already;
however, it can, of course, also be done by you. Also observe the separately enclosed operating instructions for the
remote control system.
• Is the receiver battery or are the batteries/rechargeable batteries in the transmitter discharged?
• Did you switch on the transmitter first and then the receiver power supply? Always observe this order!
• Is the receiver battery connected to the corresponding connection plug correctly?
• Is the vehicle too far away? With a fully charged receiver battery and fully charged batteries/rechargeable batteries
in the transmitter, the range should be 100 m and more. The range can be decreased by outside influences, such as
transmitters working on the same or an adjacent frequency, proximity to metal parts, trees, etc.
The position of transmitter and receiver aerial to each other very strongly influences range. It is best when both the
transmitter and receiver aerial are vertical. If you point the transmitter aerial at the vehicle, the range will be very
short!
• Check the correct position of the servo plugs in the receiver. If the plugs are inserted rotated by 180°, the servos will
not work.
• Are the servo and speed controller plugs connected in the right orientation? If, however, the throttle controller and
steering servo plugs are swapped, the throttle/brake lever controls the steering servo, and the wheel of the throttle
servo controls driving.
The motor does not start.
• Idling speed is set too low.
Set the neutral position on the transmitter correctly by using the trimmer for the driving function or trim towards idling
speed increase. Check the adjustment rings at the throttle linkages for correct and tight fit.
• Was the choke set for starting?
• Was the choke set too long? The engine may have been flooded.
Remove the spark plug. Carefully dry the spark plug with compressed air. Hold a cloth above the engine cylinder and
pull the cable pull starter several times to remove excessive fuel from the combustion chamber. Insert the spark plug
again and start again without choke. If the motor does not start up again after the tenth attempt, try with the choke set
again.
• Is the electrode distance of the spark plug correct (target: 0.7 mm)?
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