Troubleshooting; Spare Parts List Content - FMS 850mm Ranger Manuel D'utilisation

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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

FMSRU101 Fuselage
FMSRU102 Main wing set
FMSRU103 Horizontal stabilizer
FMSRU104 Cowl
FMSRU105 Battery Door
FMSRU106 Spinner
FMSRU107 GPS
FMSRU108 Main landing gear set
FMSRU109 Landing gear cover
FMSRU110 Supporting bar set
FMSRU111 Steel set
FMSRU112 Front landing light
FMSRU113 Control horns
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.
FMSRU114 Screws set
FMSRU115 Wheel set
FMSRU116 Sticker
FMSPROP057 Propeller
FMSBM039 Motor board
FMSDZ026 Motor shaft
PRKV3850 2315-KV3850 Motor
PRESC029 12A ESC (for PNP versiion)
FMS1.9GDR 1.9g digital gear servo reverse
FMSTX01 Transmitter
FMSRX01 Receiver（three-in-one integrated）
PE2S850/25C Battery 7.4V 850mah 25C (JST plug)
FMSCHR01 Charger
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Solution