Problem
Possible Cause
Solution
Aircraft will not respond to
the throttle but responds to
other controls.
ESC is not armed.
Throttle channel is reversed.
Lower throttle stick and throttle trim to lowest
settings.
Reverse throttle channel on transmitter.
Excessive vibration or
propeller noise.
Damaged spinner, propeller,
motor or motor mount.
Loose propeller and spinner parts.
Propellor installed backwards.
Replace damaged parts.
Tighten parts for propeller adapter, propeller
and spinner.
Remove and install propeller correctly.
Reduced flight time or
aircraft underpowered.
Flight battery charge is low.
Propeller installed backward.
Flight battery damaged.
Completely recharge flight battery.
Replace flight battery and follow flight battery
instructions.
Control surfaces
unresponsive or sluggish.
Control surface, control horn,
linkage or servo damage.
Wire damaged or connections
loose.
Replace or repair damaged parts and adjust
controls.
Do a check of connections for loose wiring.
Controls reversed.
Channels are reversed in the
transmitter.
Do the control direction test and adjust controls for
aircraft and transmitter.
Motor loses power
Motor power pulses then
motor loses power.
Damage to motor, or battery.
Loss of power to aircraft.
ESC uses default soft Low Voltage
Cutoff(LVC).
Do a check of batteries, transmitter, receiver, ESC,
motor and wiring for damage(replace as needed).
Land aircraft immediately and recharge flight battery.
LED on receiver flashes
slowly.
Power loss to receiver.
Check connection from ESC to receiver.
Check servos for damage.
Check linkages for binding.
AHAC101
AHAC102
AHAC103
AHAC104
AHAC105
AHAC106
AHAC107
AHAC108
AHAC109
AHAC110
AHAC111
AHAC112
AHAC113
AHAC114
AHAC115
AHAC116
AHRE002
AHPROP003
AHMount001
AHShaft001
AHBoard003
Troubleshooting
10
Spare parts list
Fuselage
Main wing set
Horizontal stabilizer
Cockpit
Cowl
Spinner
Front Landing Gear Se
Main Landing Gear Se
Front Landing Gear System
Main Landing Gear System
Linkage Rod
Horizontal stabilizer spar
Screw set
Decal Sheet
Front landing gear housing
E-retract
Propeller
Motor Mount
Motor Shaft
Motor Board
AHKV850
AHESC40A
AHSER9G54P
AHSER9GP
AHSER9GR
3536-KV850 Motor
40A ESC(200mm input cable)
9g servo 54 degree
9g servo positive
9g servo reverse
Main landing gear housing
