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Troubleshooting Guide
Troubleshooting Guide
Problem
Possible Cause
Solution
Aircraft will not
“throttle up” but
all other controls
seem to function.
• User did not lower
throttle trim and throttle
stick prior to initializing
the aircraft.
• Throttle channel is
reversed.
Note:
Futaba
transmitters (equipped
with Spektrum
modules) may require
you to reverse the
throttle channel.
• Lower throttle stick and throttle
trim to their lowest settings.
• Reverse throttle channel on
specific transmitter if applicable.
Upper rotor head/
hub is broken.
• Crash damage
• Replace with EFLH2212 by
carefully removing the (2)
screws in the lower main gear
and transferring all unbroken
parts to the new upper rotor
head/hub. Follow the “Exploded
View” section of the manual.
Pages 30–31
Aircraft appears
to show significant
decrease in flight
time.
• Flight battery is not fully
charged.
• AA batteries in charger
have inadequate power.
• EFLB1101S battery has
been over-discharged
multiple times, causing
damage to battery life.
• Recharge flight battery
completely.
• Replace AA batteries in the
charger and recharge flight
battery completely.
• Replace EFLB1101S battery
and read “Battery Warnings and
Guidelines” section of manual.
Page 7
Charger light stays
on after Li-Po
battery is
disconnected or
remains on for
longer than 40
minutes when
charging.
• AA batteries in the
charger have
inadequate power.
• Replace AA batteries in
the charger.
Aircraft hovers
with a “toilet bowl”
effect type circle
on its own.
• Binding in the upper
rotor head.
• Damaged rotor blades
• Loosen upper rotor hub fly bar
retaining screw.
• Replace rotor blades.
Problem
Possible Cause
Solution
LED on Aircraft
remains
flashing and
cannot be
controlled by
transmitter.
• User did not wait at
least 5 seconds after
powering their
transmitter prior to
connecting the flight
battery to the Aircraft.
• User bound the Aircraft
to a different
transmitter.
• Transmitter was too
close to Aircraft during
the initialization
process.
• Unplug, then reconnect flight
battery.
• Rebind Aircraft to your desired
compatible transmitter.
Page 27
• Move transmitter (powered on) a
few feet from the Aircraft
prior to reconnecting the flight
battery.
Aircraft appears to
drift towards a
certain direction.
• User did not re-trim the
aircraft.
• Read “Understanding the
Primary Flight Controls” section
of this manual.
Pages 20–23
Controls appear to
be reversed after
binding to a differ-
ent transmitter.
• User did not initially
set up their transmitter
prior to binding to the
Aircraft.
• Read “Control Test” section of
this manual.
Pages 14–16
Aircraft constantly
spins on its own.
• User did not CENTER
the rudder trim on the
transmitter prior to
initialization of aircraft.
• User moved or swayed
the aircraft during the
initialization process.
• User has not trimmed
the aircraft to compen-
sate for battery voltage
drop during flight.
• Upper main gear is
binding with lower main
gear.
• Center the rudder trim on your
transmitter and re-initialize the
aircraft.
• Unplug, then reconnect the flight
battery and DO NOT move or
sway the helicopter during
initialization.
• Read “Understanding Primary
Controls” section of this manual.
Pages 20–23
• Loosen (2) screws on the lower
main gear and ensure there
is slight “play” in between the
upper and lower main gears.
Lube between the upper and
lower main gears if applicable.
Aircraft does not
function after
connecting flight
battery and air-
craft smells burnt.
• User may have
accidentally plugged
the flight battery in the
wrong polarity.
• Replace 5-in-1 board
(EFLH1065) and ensure the RED
polarity marks are facing the
same direction when connecting
the flight battery to the 5-in-1
board.
Содержание Blade MCX S300
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