21
EN
Problem
Possible Cause
Solution
Helicopter has
reduced fl ight
time or is
underpowered
Flight battery charge
is low
Completely recharge the fl ight battery
Flight battery is damaged
Replace the fl ight battery and follow the
fl ight battery instructions
Flight conditions might
be too cold
Make sure the battery is warm (room
temperature) before use
LED on receiver
fl ashes rapidly
and aircraft will
not respond to
transmitter (during
binding)
Transmitter too near
aircraft during binding
process
Power off the transmitter. Move the trans-
mitter a larger distance from the aircraft.
Disconnect and reconnect the fl ight
battery to the aircraft. Follow the binding
instructions
Bind switch or button
was not held while trans-
mitter was powered on
Power off transmitter and repeat bind
process
Aircraft or transmitter is
too close to large metal
object, wireless source
or another transmitter
Move aircraft and transmitter to another
location and attempt binding again
LED on the receiv-
er fl ashes rapidly
and the helicopter
will not respond
to the transmitter
(after binding)
Less than a 5-second
wait between fi rst pow-
ering on the transmitter
and connecting the fl ight
battery to the helicopter
Leave the transmitter powered on.
Disconnect and reconnect the fl ight
battery to the helicopter
The helicopter is bound
to a different model
memory (ModelMatch
™
transmitters only)
Select the correct model memory on the
transmitter. Disconnect and reconnect
the fl ight battery to the helicopter
Flight battery or
transmitter battery
charge is too low
Replace or recharge batteries
Aircraft or transmitter is
too close to large metal
object, wireless source
or another transmitter
Move aircraft and transmitter to another
location and attempt connecting again
Helicopter vibrates
or shakes in fl ight
Damaged rotor blades,
spindle, blade grips,
main gear teeth or
cracked main shaft.
Check main rotor blades, blade grips,
main gear and main shaft for cracks,
chips or missing teeth. Replace damaged
parts. Replace bent spindle
Rotor head linkages not
connected correctly
Connect the rotor head linkages to the
short ball links on the swashplate
