
Illustrated Parts Diagram
Troubleshooting
1
LED on receiver flashes constantly
with no response after
transmitter
is switched on
.
2
3
4
5
Transmitter is not bound to receiver.
Pairing of the transmitter and receiver
failed.
Carry out pairing
(Refer to P.5,
P
airing to
Transmitter).
The helicopter has no response after
connecting
the
batter
y.
Check whether the transmitter and
receiver
are
conne
cted
to power
.
C
heck the voltage of transmitter and
receiver
batteries.
Heli b
attery
connector pins contacts are
degraded.
Open the transmitter, make sure the
batteries connecti
on
is good
.
Replace
and charge transmitter batteries
.
Make
sure the
heli b
attery connector pins
contacts are good.
When increasing throttle, the main
motor does not start and the LED
on the
r
eceiver flashes
con
tinuously
.
Low battery voltage, batter
y
connection is not good.
Replace and charge the batter
y
,
reconnect the batter
y
to the
receiver board.
Helicopter takes off immediately,
after powering up
.
T
he throttle
is not at
the lowest
position
.
Put the throttle
stick
at the
lowest
position before
switching on
the
transmitter.
Helicopter vibrates or shakes in
flight.
Damaged rotor blades,
bent
main
shaft
and
feathering
shaft
or blade grips too tight
preventing smooth movement of
the
main rotor
.
Replace the main rotor blades, bent
main or feathering shafts, loosen the
blade grips.
Problem
Cause
Solution
Main rotor blades shake during flight.
Feathering shaft or main shaft is
bent. FS screw is not tight
enough.
B
roken gear in the servo
.
T
he swashplate
is worn out
.
Replace the
feathering shaft
. Tighten the
FS
screw. Change the
main shaft
b
earing
s
. Re
place
the servo
. Replace
the
swashplate.
Replace
the tail rotor
blades.
The sound of the main rotor becomes
softer or
there is
drop in head speed.
Heli
battery
has low
voltage
.
Land the helicopter immediately and
charge the battery or change to a
fully charged battery.
Helicopter has no
response
or
does not fly smoothly.
Failure of binding.
Rebind
the
helicopter
and
transmitter
.
M
ake sure you place
the helicopter
in
a steady
and
level
attitude
close to the transmitter.
H
elicopter
drifts or is not level in
3D or 6G flight modes.
S
ervos do not go back in to mid-
position or
are
broken.
Recenter the servo arms.
Replace
the
applicable
servo.
Tail does not lock in 6G mode.
Helicopter requires
c
alibrat
ion
in
6G mode.
Refer to 6G mode calibration procedure.
Helicopter
yaws counter clockwise
when taking off.
Tail motor
lacks
power
. L
oose
tail rotor.
Tail motor damage.
Check the tail rotor and the motor shaft
.
If loose
,
replace
the
tail rotor
. Re
place
the tail motor.
Helicopter power is
erratic or
speed
governor
has abnormal
sound.
Pow
e
r Distribution Board is
fault
y
or
has
poor contact
s
.
Check the connectors
.
R
eplace
the
Power Distribution
Board.
Servo #1
Servo #3
Servo #2
-10-
-9-
Summary of Contents for E150
Page 1: ...User Manual E150...