Service Notes - Revell Control WHIRLWIND Manual Del Usuario

TrOuBLesHOOTIng
Problem: The rotor blades do not move.
Cause: • The ON/OFF switch is in the "OFF" position.
• The battery is too weak or depleted.
Remedy: • Set the ON/OFF switch to the "ON" position.
• Charge the battery.
Problem: The helicopter stops and descends during flight for no apparent
reason.
Cause: • The battery is too weak.
Remedy: • Charge the battery.
Problem: It isn't possible to control the helicopter using the remote control.
Cause: • The ON/OFF switch is in the "OFF" position.
• The batteries were not inserted correctly.
• The batteries do not have enough power.
• The antenna of the radio remote control is not inserted correctly and/or
is not completely extended.
Remedy: • Set the ON/OFF switch to the "ON" position.
• Check whether the batteries are inserted correctly.
• Insert new batteries
• Check the antenna and extend it completely.
Problem: The helicopter only rotates around its axis clockwise or anti-clock-
wise.
Cause: • Excessive trim adjustment to the left or right, possibly due to the
incorrect position of the trim wheel.
Remedy: • Reset the trim adjustment by turning the trim wheel to the neutral
position (see section 6, Steering Trim Adjustment).
Additional tips and tricks can be found online at www.revell-control.de.
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serVICe nOTes

You can find our telephone, ordering options and
replacement tips for spare parts, as well as additional
useful information about all models from Revell Control.
www.revell-control.de
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