User Manual

Problem Possible Cause Solution

Aircraft will not re-

spond to throttle but

responds to other

controls

Throttle not at idle and/or throttle trim too high Reset controls with throttle stick and throttle trim at lowest setting

Throttle servo travel is lower than 100% Make sure throttle servo travel is 100% or greater

Throttle channel is reversed Reverse throttle channel on transmitter

Motor disconnected from ESC Make sure motor is connected to the ESC

Extra propeller noise

or extra vibration

Damaged propeller and spinner, collet or motor Replace damaged parts

Propeller is out of balance Balance or replace propeller

Prop nut is too loose Tighten the prop nut

Spinner is not tight or fully seated in place Tighten the spinner or remove the spinner and turn it 180 degrees

Reduced ﬂ ight time

or aircraft under-

powered

Flight battery charge is low Completely recharge ﬂ ight battery

Propeller installed backwards Install propeller with numbers facing forward

Flight battery damaged Replace ﬂ ight battery and follow ﬂ ight battery instructions

Flight conditions may be too cold Make sure battery is warm before use

Battery capacity too low for flight conditions Replace battery or use a larger capacity battery

Control surface does

not move

Control surface, control horn, linkage or servo

damage

Replace or repair damaged parts and adjust controls

Wire damaged or connections loose Do a check of wires and connections, connect or replace as needed

Transmitter is not bound correctly or the incorrect

airplanes was selected

Re-bind or select correct airplanes in transmitter

Flight battery charge is low Fully recharge ﬂ ight battery

BEC (Battery Elimination Circuit) of the ESC is

damaged

Replace ESC

Controls reversed Transmitter settings are reversed

Perform the Control Direction Test and adjust the controls on transmitter

appropriately

Motor power pulses

then motor loses

power

ESC uses default soft Low Voltage Cutoff (LVC) Recharge ﬂ ight battery or replace battery that is no longer performing

Weather conditions might be too cold Postpone flight until weather is warmer

Battery is old, worn out, or damaged Replace battery

Battery C rating might be too small Use recommended battery

Troubleshooting Guide