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18. Troubleshooting
This model and the remote control were built using the latest technology. However, faults and malfunction may still
occur. The following section shows you how to troubleshoot potential problems.
Problem
Solution
The transmitter does not respond
• Check the batteries in the transmitter.
• Check the polarity of the batteries.
• Turn the transmitter on.
The model does not respond
•
Check the flight battery or connector in the model.
• Repeat the switching on process.
The motors do not run
•
Check the charge status of the flight battery.
• Repeat the switching on process.
The model fails to gain altitude
•
Check the charge status of the flight battery.
•
Replace the flight battery.
The model always drifts in one direction •
Unfavourable flight conditions, e.g. too windy.
• Check that both motors run smoothly.
• Trim the model.
The model responds too jerkily to the
control commands
•
Operate the transmitter joysticks more sensitively or briefly
The model responds too sluggishly to
the control commands
• Manipulate the transmitter joysticks stronger and longer.
The model automatically ascends too
steeply
• Excessive motor power or incorrect elevator trim.
•
The centre of gravity or the flight battery is positioned too far back.
The model keeps the tip of the fuselage
down
•
Insufficient motor power or incorrect elevator trim.
•
The centre of gravity or the flight battery is positioned too far forward.
Flight time is too short
•
Check the charge status of the flight battery.
•
Replace the flight battery.
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