14
Troubleshooting Guide
PROBLEM
POSSIBLE CAUSE
SOLUTION
Aircraft will not respond
to throttle but responds
to other controls
• Throttle not at idle at control
setup and/or throttle trim
too high.
• Throttle channel is reversed
• Reset controls with throttle stick
and throttle trim at lowest
setting
• Reverse throttle channel on
transmitter
Extra propeller noise or
extra vibration
• Damaged propeller and
spinner, gear shaft or motor
• Replace damaged parts
Reduced fl ight time or
aircraft underpowered
• Flight battery charge is low
• Propeller or gear shaft
damaged
• Flight battery damaged
• Gearbox not moving freely
• Flight conditions may be
too cold
• Completely recharge fl ight
battery
• Replace damaged parts
• Replace fl ight battery and follow
fl ight battery instructions
• Lubricate gear shaft and
bushings
• Make sure battery is warm
before use
LED on receiver fl ashes
and aircraft will not bind
to transmitter
• Less than a 5 second wait
after powering transmitter
and before connecting fl ight
battery to aircraft
• Transmitter too near aircraft
during binding process
• Batteries in transmitter low
• Disconnect then connect fl ight
battery to aircraft
• Move powered transmitter a few
feet from aircraft, disconnect
and connect fl ight battery
to aircraft
• Replace transmitter batteries
Control surface does
not move, or is slow to
respond to controls
• Control surface, control horn,
linkage or servo damage
• Wire damaged or connections
loose
• Flight battery charge is low
• Control trim out of adjustment
• Replace or repair damaged
parts and adjust controls
• Do a check of wires and
connections, connect or replace
as needed
• Fully recharge fl ight battery
• Adjust trims to restore full
control
Controls reversed
• Transmitter settings reversed
• Do the Control Direction Test
and adjust controls
ontransmitter appropriately
Motor loses power
• Damage to motor, or power
components
• Do a check of batteries,
transmitter, receiver, ESC, motor
and wiring for damage (replace
as needed)
Motor power pulses
then motor loses power
• ESC uses default soft Low
Voltage Cutoff (LVC)
• Recharge fl ight battery
EN
