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19. Troubleshooting
Even though the remote control system was built to the state of the art, 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 vibrate.
One servo is humming.
The range of the system is very short.
The transmitter turns off straight away
or after a short while.
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.
• Check the receiver aerial for damage and electrical continuity.
• Install the receiver aerial in a different position in the model for test
purposes.
• Check batteries or rechargeable batteries in the transmitter and replace
if required.
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