Trouble shooting
Problem
Aircraft will not respond to
the throttlebut responds to
other controls.
Extra propeller noise or
extra vibration.
Reduced flight time or
aircraft underpowered.
Control surface does not
move, or is slow to respond
to control inputs.
Controls reversed.
-Motor loses power
-Motor power pulses then
motor loses power.
LED on receiver flashes
slowly.
Spare parts list content
FMSRL101
Fuselage
FMSRL102
Main wing set
FMSRL103
Horizontal stabilizer
FMSRL104
Vertical stabilizer
FMSRL105
Aileron
FMSRL106
Battery cover
FMSRL107
Main landing gear set
FMSRL108
Rear landing gear set
FMSRL109
Plastic canopy
FMSRL110
Spinner set
FMSRL111
Vortex generator
FMSRL112
Decal sheet
FMSRL113
Pipe set
FMSRL114
Linkage rod
FMSRL115
Screw set
Visit our website: www.fmsmodel.com to see photo of this product. Enter the key word "ESC" in the search bar for the
stock ESC instruction manual.
Possible Cause
-ESC is not armed.
-Throttle channel is reversed.
-Damaged spinner, propeller,
motor or motor mount.
-Loose propeller and spinner parts.
-Propellor installed backwards.
-Flight battery charge is low.
-propeller installed backward.
-Flight battery damaged.
-Control surface, control horn,
linkage or servo damage.
-Wire damaged or connections
loose.
Channels are reversed in the
transmitter.
-Damage to motor, or battery.
-Loss of power to aircraft.
-ESC uses default soft Low Voltage
Cutoff(LVC).
Power loss to receiver.
-Lower throttle stick and throttle trim to lowest settings.
-Reverse throttle channel on transmitter.
-Replace damaged parts.
-Tighten parts for propeller adapter, propeller and spinner.
-Remove and install propeller correctly.
-Completely recharge flight battery.
-Replace flight battery and follow flight battery
instructions.
-Replace or repair damaged parts and adjust controls.
-Do a check of connections for loose wiring.
Do the control direction test and adjust controls for
aircraft and transmitter.
-Do a check of batteries, transmitter, receiver, ESC, motor
and wiring for damage(replace as needed).
-Land aircraft immediately and recharge flight battery.
-Check connection from ESC to receiver.
-Check servos for damage.
-Check linkages for binding.
FMSRL116
Tire set
FMSRL117
Landing gear insert
FMSPROP051
Propeller
FMSBM032
Motor board
FMSDJ016
Motor mount
PRKV240
6860-KV240 motor
PRESC021
90A HV ESC
PR75MGDR
Predator 75g digital metal gear servo reverse
13
Solution