Troubleshooting guide – Spektrum SPMAR6410LBL User Manual
Page 14
 
EN
14
Troubleshooting Guide
Problem
Possible Cause
Solution
Aircraft will not respond 
to throttle but responds to 
other controls
Throttle stick and/or throttle 
trim too high
Reset controls with throttle 
stick and throttle trim at 
lowest setting 
Throttle channel is reversed
Reverse throttle channel 
on transmitter
Motor disconnected from 
receiver
Open fuselage and make 
sure motor is connected to 
the receiver
Extra propeller noise or 
extra vibration
Damaged propeller, 
spinner or motor
Replace damaged parts
Prop screw is too loose
Tighten the prop screw
Reduced flight time or 
aircraft underpowered
Flight battery charge is low
Completely recharge flight 
battery
Propeller installed backwards Install propeller with
numbers facing forward
Flight battery damaged
Replace flight battery 
and follow flight 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
LED on receiver flashes 
and aircraft will not bind 
to transmitter (during 
binding)
Transmitter too near aircraft 
during binding process
Power off transmit-
ter, move transmitter 
a larger distance from 
aircraft, disconnect and 
reconnect flight battery to 
aircraft and follow binding 
instructions
Bind switch or button not 
held long enough during 
bind process
Power off transmitter and 
repeat bind process. Hold 
transmitter bind button 
or switch until receiver 
is bound