
17
EN
Troubleshooting Guide
Problem Solution
Aircraft will not “throttle up” but all
other controls seem to function.
•Lowerthrottlestickandthrottletrimtotheirlowestset-
tings.
•Reversethrottlechannelonspecictransmitterif
applicable.
Upperrotorhead/hubisbroken. •ReplacewithEFLH2412bycarefullyremovingthe(2)
screws in the lower main gear and transferring all unbro-
kenpartstothenewupperrotorhead/hub.Followthe
“ExplodedView”sectionofthemanual.
Aircraft appears to show significant
decrease in flight time.
•Rechargeightbatterycompletely.
•ReplaceAAbatteriesinthechargerandrechargeight
battery completely.
•ReplaceEFLB1501S25batteryandread“BatteryWarn-
ingsandGuidelines”sectionofmanual.
Charger light stays on after Li-Po
battery is disconnected or remains
onforlongerthan40minuteswhen
charging.
•ReplaceAAbatteriesinthecharger.
Aircraft hovers with a “toilet bowl”
effect type circle on its own.
•Loosenupperrotorhubybarretainingscrew.
•Replacerotorblades.
LED on Aircraft remains flashing and
cannot be controlled by transmitter.
•Unplug,thenreconnectightbattery.
•RebindAircrafttoyourdesiredcompatibletransmitter.
•Movetransmitter(poweredon)afewfeetfromtheAircraft
prior to reconnecting the flight battery.
Aircraft appears to drift towards a
certain direction.
•Read“UnderstandingthePrimaryFlightControls”section
of this manual.
Controls appear to be reversed after
binding to a different transmitter.
•Read“ControlTest”sectionofthismanual.
Aircraft constantly spins on its own. •Centertheruddertrimonyourtransmitterandre-initialize
the aircraft.
•Unplug,thenreconnecttheightbatteryandDONOT
move or sway the helicopter during initialization.
•Read“UnderstandingPrimaryControls”sectionofthis
manual.
•Loosen(2)screwsonthelowermaingearandensure
there is slight “play” in between the upper and lower
main gears. Lube between the upper and lower main
gears if applicable.
Aircraft does not function after
connecting flight battery and aircraft
smells burnt.
•Replace5-in-1board(EFLH2401)andensuretheRED
polaritymarksarefacingthesamedirectionwhencon-
necting the flight battery to the 5-in-1 board.
Comentarios a estos manuales