Troubleshooting - ModelCraft A Notice D'utilisation

17. Troubleshooting

Even though the remote control system was designed as a state-of-the-art product, there can still be malfunctions or faults. This is why
we would like to show you how to clear possible malfunctions.
Problem
The transmitter does not respond.
The servos do not react.
The gas servo does not respond in
the Helicopter model.
The servos shake.
A servo is humming.
The system has only a low range.
The transmitter turns off straight
away or after a short while.
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Remedy
Check the batteries or rechargeable batteries of the transmitter.
Check the polarity of the batteries or rechargeable batteries.
Check the function switch.
Check the batteries or rechargeable batteries of the receiver.
Test the connecting cable.
Check the BEC function of the control unit
Check the polarity of the servo connector.
Check the markings on the crystals.
Change the crystal to a different channel.
Exchange the receiver for test purposes.
Check the 3D switch. This switch has to be in the OFF position when the transmitter is switched
on.
Check the batteries or rechargeable batteries of the transmitter and the model.
Change the crystal to a different channel.
Carefully dry possible dampness in the receiver with a blow-dryer.
Check the receiver antenna for damages and electrical continuity.
Install the receiver antenna in the model differently for test purposes.
Check the batteries or rechargeable batteries of the receiver.
Check that the linkage rods are running smoothly.
Operate the servo without a rudder horn for test purposes.
Pull out the transmitter antenna to its full length.
Check the batteries or rechargeable batteries of the transmitter and the model.
Check the receiver antenna for damages and electrical continuity.
Install the receiver antenna in the model differently for test purposes.
Check the batteries or rechargeable batteries of the transmitter or replace them.