E-flite UMX Hyper Taxi BNF - Manual (Page 15)

15
EN
Troubleshooting Guide (Continued)
Problem Possible Cause Solution
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 or replace fl ight battery
Control linkage does not move freely Make sure control linkage moves freely
Controls reversed Transmitter settings reversed Do the Control Direction Test and 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