EN
16
®
Sport Cub S
Troubleshooting Guide (SAFE
™
)
Problem
Possible Cause Solution
Control surfaces not at
neutral position when
transmitter controls are at
neutral
Control surfaces may not have been
mechanically centered from factory
Center control surfaces mechanically by
adjusting the U-bends on control
linkages
Aircraft was moved after the fl ight
battery was connected and before
sensors initialized
Keep the Aircraft upright and immobile
for 5 seconds after connecting the
battery
Aircraft fl ies inconsistently
from fl ight to fl ight
Trims are moved too far from
neutral position
Neutralize trims and mechanically adjust
linkages to center control surfaces
Controls oscillate in fl ight,
(Aircraft rapidly jumps or
moves)
Propeller is unbalanced, causing
excessive vibration
Remove propeller and rebalance or
replace it if damaged
Nut on prop shaft is too loose,
causing excessive vibration
Tighten the prop shaft nut 1/2 turn
Aircraft does not connect
to transmitter after battery
is connected
Aircraft is not upright and immobile
after battery is connected
Keep the Aircraft upright and immobile
for 5 seconds after connecting the
battery
Problem
Possible Cause Solution
Aircraft will
not respond
to throttle but
responds to
other controls
Throttle stick and/or throttle trim is
too high
Reset controls with throttle stick and throttle
trim at lowest setting
Throttle channel is reversed Reverse throttle channel on transmitter
Motor is disconnected from receiver Open fuselage and ensure the plug for the
motor is properly installed
Extra propeller
noise or extra
vibration
Damaged propeller, prop shaft or
motor
Replace damaged parts
Nut on prop shaft is too loose Tighten the prop shaft nut 1/2 turn
Troubleshooting Guide
Binding Procedure
1. Make sure the fl ight battery is disconnected from the aircraft.
4
2. Ensure the transmitter is powered OFF.
3. Connect the fl ight battery to the aircraft and turn the aircraft upright. The
receiver LED will begin to fl ash (typically after 5 seconds).
4. Make sure the transmitter controls are at neutral and the throttle is in the
low position.
5
5. Put your transmitter into bind mode by pushing the left control stick
vertically into the case (until it clicks) while powering ON the transmitter.
6. After 5 to 10 seconds, the receiver status LED will become solid,
indicating that the receiver is bound to the transmitter. If the LED does not
turn solid, refer to the Troubleshooting Guide at the end of the manual.
7. Disconnect the fl ight battery and power the transmitter off.
Re-Binding the RTF Transmitter
Your Sport Cub RTF transmitter comes pre-bound to the aircraft. If you need to re-bind your aircraft, follow
this binding table.
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