E-FLITE Ultra Micro FPV Vapor Instruction manual - Troubleshooting Guide
14
EN
Problem
Possible Cause
Solution
Aircraftwillnotrespond
to throttle but responds
to other controls
Throttlestickand/orthrottletrimtoohigh
Resetcontrolswiththrottlestickandthrottle
trim at lowest setting
Throttle channel is reversed
Reverse throttle channel on transmitter
Motor disconnected from receiver
Makesuremotorisproperlyconnectedto
the receiver
Extrapropellernoiseor
extravibration
Damaged propeller, prop shaft, spinner or
motor
Replace damaged parts
Reduced flight time or
aircraft underpowered
Flight battery charge is low
Completely recharge flight battery
Propellerinstalledbackwards
Install propeller with numbers facing forward
Flight battery damaged
Replace flight battery and follow flight battery
instructions
Flight conditions may be too cold
Makesurebatteryiswarmbeforeuse
Battery capacity too low for power drawn
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 transmitter, 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
Aircraftortransmitteristooclosetolarge
metal object, wireless source or another
transmitter
Move aircraft and transmitter to another
location and attempt binding again
LED on receiver flashes
rapidly and aircraft
will not respond to
transmitter (after
binding)
Less than a 5-second wait between first
powering on transmitter and connecting
flight battery to aircraft
Leaving transmitter on, disconnect and
reconnect flight battery to aircraft
Aircraftboundtodifferentmodelmemory
(ModelMatch
™
radiosonly)
Selectcorrectmodelmemoryontransmitter
and disconnect and reconnect flight battery
to aircraft
Flightbattery/transmitterbatterychargeis
too low
Replace/rechargebatteries
Transmitter may have been bound to a
differentmodel(orwithadifferentDSM
Protocol)
Selecttherighttransmitterorbindtothe
new one
Aircraftortransmitteristooclosetolarge
metal object, wireless source or another
transmitter
Move aircraft and transmitter to another
locationandattemptlinkingagain
Control surface does
not move
Controlsurface,controlhorn,linkageor
servo damage
Replace or repair damaged parts and adjust
controls
Wire damaged or connections loose
Doacheckofwiresandconnections,
connect or replace as needed
Flight battery charge is low
Fully recharge flight battery
Controllinkagedoesnotmovefreely
Makesurecontrollinkagemovesfreely
Controls reversed
Transmitter settings reversed
Adjustcontrolsontransmitterappropriately