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Troubleshooting Guide
Motor does not turn
Airplane is difficult to control
The airplane flies nose heavy, always needs up elevator
Airplane constantly climbs or descends,
or turns right or left without control input
Elevator is too sensitive, movement is not stable
Airplane will not taxi straight
Take off is difficult
Airplane will not climb
Li-Po battery is slightly warm after charging
Motor vibrates excessively
Control surfaces move in the wrong direction
T-45 Goshawk
Item No.: FJ307
Version No.: FJ307-V01
A) Li-Po battery depleted
B) Transmitter batteries depleted
C) Transmitter not turned on
D) Li-Po battery not plugged in
E) Motor not armed
F) A crash has damaged an internal component
G) ESC or other damaged
A) You are flying in too much wind
B) Li-Po battery depleted
C) Transmitter batteries depleted
D) Transmitter antenna not extended completely
E) Surface control rate is too high
A) CG is forward
A) The aircraft is out of trim adjustment
B) You are flying in too much wind
A) CG is backward
A) Nose gear is not center.
B) Rudder is not center.
A) Thrust is not on the high position
B) Taxi distance is not enough
C) Elevator rate is not enough high
A) Li-Po battery is depleted
B) Ducted fan is damaged
C) Motor is damaged
D) ESC overheat protection,power reduction.
A) This is normal
A) Ducted fan is damaged
B) Motor is damaged
C) Ducted fan is not balance
D) High speed will happen slightly vibrate
A) Servo direction is reversed
-15-
A) Recharge Li-Po battery
B) Replace or recharge batteries
C) Turn on transmitter
D) Plug in Li-Po battery
E) Arm motor
F) Replace
G) Check ESC or contact local distributor
A) Fly when there is no wind
B) Recharge Li-Po battery
C) Replace or recharge batteries
D) Extend transmitter antenna completely
E) Use low rate to fly
A) Adjust CG backward refer to instruction
A) Adjust the transmitter trim tabs
B) Fly when there is no wind
A) Adjust CG forward refer to instruction
A) Center nose gear
B) Center rudder
A) Thrust is on the high position
B) Long taxi distance
C) Use high rate of elevator
A) Recharge Li-Po battery
B) Check and replace ducted fan
C) Check and replace motor
D) Landing firstly, check and select a more powerful ESC
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when fully charged.
f�ii:�'.ywarm
A) �� � �� 1
t
A) Check and replace ducted fan
B) Check and replace motor
C) Adjust the ducted fan balance
D) Its normal to use
A) Adjust servo reversing function
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