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14. Troubleshooting
Even though the remote control system was built to the latest available technology, there can still be malfunctions or
faults. For this reason, we would like to give you some information on how to deal with possible problems.
Problem
The transmitter does not respond.
The servos do not respond.
The servos shake.
One servo is humming.
The range of the system is very short.
Remedy
• Check the batteries or rechargeable batteries in the remote control.
• Check the polarity of the batteries.
• Check the on/off switch position
• Check the batteries in the receiver.
• Test the switch cable.
• Test the BEC function of the speed controller.
• Check the polarity of the servo connector.
• For test purposes, change the receiver.
• Check batteries in the remote control and the receiver.
• Carefully dry any possible dampness in the receiver with a hot air blower.
• Check the batteries in the receiver.
• Make sure the linkage rods run smoothly.
• Operate the servo without the servo arm for test purposes.
• Check batteries in the remote control and the receiver.
• Install the receiver on another side of the model.
• Fully extend the transmitter aerial.
• Place the aerial of the receiver differently