FMS RocHobby 70MM F/A-18F, Operating Manual

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16
Problem
Possible Cause Solution
Aircraft will not
respond to the
throttle but 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.
- 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.
- Flight battery damaged.
- Control surface, control horn,
linkage or servo damage.
- Wire damaged or connections
loose.
Channels are reversed
in the transmitter.
- Dammage motor, or battery.
- Loss of power to aircraft.
- ESCuses 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 form ESC to
receiver.
- Check servos for damage.
- Check linkages for binding.
Troubleshooting