E-flite UMX Radian BNF Manual de instrucciones descargar pdf (Pagina 11)

Troubleshooting Guide

Problem

Possible Cause Solution

Aircraft will

not respond to

throttle but re-

sponds 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

Reduced ﬂ ight

time or aircraft

underpowered

Flight battery charge is low Completely recharge ﬂ ight battery

Propeller is installed backwards Install propeller with numbers facing

forward

Flight battery is 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 is too low for ﬂ ight

conditions

Replace battery or use a larger capacity

battery

Problem

Possible Cause Solution

Control surfaces

not at neutral po-

sition when trans-

mitter 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 link-

ages

Aircraft was moved after the ﬂ ight

battery was connected and before

sensors initialized

Disconnect and reconnect the ﬂ ight

battery while keeping the aircraft still for

5 seconds

Model ﬂ ies in-

consistently 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, (model

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, caus-

ing excessive vibration

Tighten the prop shaft nut 1/2 turn

AS3X

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