E-flite UMX Gee Bee R2 BNF - Manual (Page 15)

15
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Troubleshooting Guide (Continued)
Problem Possible Cause Solution
LED on receiver
fl ashes rapidly and
aircraft will not re-
spond to transmitter
(after binding) Less than a 5-second wait between fi rst
powering on transmitter and connecting
fl ight battery to aircraft Leaving transmitter on, disconnect and recon-
nect fl ight battery to aircraft
Aircraft bound to different model memory
(ModelMatch
™ radios only)
Select correct model memory on transmitter
and disconnect and reconnect fl ight battery to
aircraft
Flight battery/transmitter battery charge is
too low Replace/recharge batteries
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
Flight battery charge is low Fully recharge fl ight battery
Control linkage does not move freely Make sure control linkage moves freely
Controls reversed Transmitter settings reversed Adjust controls on transmitter appropriately
Motor loses power Damage to motor or power components Do a check of motor and power components
for damage (replace as needed)
Motor power quickly
decreases and
increases then motor
loses power Battery power is down to the point of
receiver/ESC Low Voltage Cutoff (LVC) Recharge fl ight battery or replace battery that
is no longer performing
Motor/ESC is not
armed after landing Over Current Protection (OCP) stops the
motor when the transmitter throttle is set
high and the propeller cannot turn Fully lower throttle and throttle trim to arm ESC
Servo locks or freezes
at full travel Travel adjust value is set above 100%
overdriving the servo Set Travel adjust to 100% or less and/or set
sub-trims to Zero and adjust linkages
mechanically