
12
EN
Troubleshooting Guide
Problem
Possible Cause
Solution
Helicopter will not
initialize
Throttle at high position
Reset controls with throttle stick at low-
est position, and throttle trim at center or
lowest setting
On computer radios, switches not in
normal position
Set flight mode to OFF/0 and switch
throttle hold off
Throttle servo reversing improperly
configured
Correct servo reversing
Refer to your transmitter manual
Helicopter will not
spool up
Low flight battery voltage
Completely recharge flight battery
Motor power decreases
during flight
Receiver uses default soft Low
Voltage Cutoff (LVC)
Recharge flight battery or replace flight
battery that is no longer performing.
Replace charger batteries (included
charger only).
Climb out rate is greatly
reduced
Main gear has slipped on the main
shaft.
Push main gear back up into position.
Poor tail authority
Tail boom is cracked
Replace tail boom
The tail rotor blade is warped
or bent.
Twist rotor blade back into position
or replace.
LED on receiver flashes
rapidly and aircraft will not
respond to transmitter
(during binding).
Aircraft not bound to transmitter
Bind transmitter to aircraft receiver
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.
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
Aircraft bound to different model
memory (ModelMatch radios only)
Select correct model memory on trans-
mitter and disconnect and reconnect
flight battery to aircraft
Flight battery/Transmitter battery
charge is too low
Replace/recharge batteries
Helicopter vibrates or
shakes in flight
Damaged rotor blades, spindle or
blade grips
Check main rotor blades and blade grips
for cracks or chips. Replace damaged
parts. Replace bent spindle.
Summary of Contents for mSR X
Page 1: ...RTF READY TO FLY mSR X ...