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.
AHAF101
AHAF102
AHAF103
AHAF104
AHAF105
AHAF106
AHAF107
AHAF108
AHAF109
AHAF110
AHAF111
AHAF112
AHAF113
AHAF114
AHAF115
AHAF116
AHPROP006
AHMount002
AHBoard005
AHShaft002
AHKV1550
Troubleshooting
12
Spare parts list
Fuselage
Main wing
Horizontal stabilizer
Vertical stabilizer
Cowl
Spinner
Battery cover
Servo cover
Antenna
Linkage rods
Wing struts
R Clasp
Screws
Main landing gear set
Front landing gear set
Propeller
Motor mount
Motor board
Motor shaft
Brushless motor 3128-KV1550
AHESC20A
AHSER9GP
20A ESC
9g servo positive
Sticker