Datasheet
17
FR DE ENIT
Problem Possible Cause Possible Solution
Aircraft tail control is intermittent. •Loosetailmotorconnectors.
•Damagedtailmotor
•Conrmtailmotorconnectorsare
firmly seated
•Replacetailmotor.
Aircraft hovers with a circular
effect on its own
•Damagedrotorblades
•Missingorlooserotorhead
linkage
•Replacerotorblades
•Replacerotorheadlinkage
(BLH3115)
Aircraft appears to drift a certain
direction
•Ruddertrimnotcenteredbefore
aircraft initialization
•Controlsappeartobereversed
after binding to a different
transmitter
•RefertoUnderstanding Primary
Flight Controls
•Transmitterincorrectlysetup
before binding to the aircraft.
Refer to Control Test
Aircraft constantly spins or drifts
on its own
•Ruddertrimnotcenteredbefore
aircraft initialization
•Trimhasnotbeenadjustedto
compensate for battery discharge
during flight
•Damagedtailrotorblade
•Centerruddertrimandre-
intitialize aircraft
•RefertoUnderstanding Primary
Flight Controls
•Replacetailrotorblade(BLH3117)
Aircraft has bad cyclic control
reactions (for example, forward
elevator input results in aircraft
flying sideways left or right)
•Swashplateanti-rotationpinisout
of the main frame bracket
•Carefullyputpinofswashplatein
the bracket channel, high at the
back of the main frame
Transmitter control stick blocked
or “sticky”
•Stickgimbalmovedupin
transmitter
•Disconnectightbatteryfrom
5-in-1 unit, power off the
transmitter and push in the
transmitter control stick until it
clicks.
Nose of aircraft turns right during
motor control test.
•Transmittercontrolmaybe
reversed and need adjustment.
•MLP4DSMtransmitter,setthe
rudder channel to normal
direction.
•SpektrumandJRtransmitters,set
the rudder channel servo
reversing to normal.
•Otherradiosystemsusingthe
Spektrum DSM2 module, set the
rudder servo reversing opposite to
current setting.
Warranty and Repair Policy
Warranty Period: Exclusive Warranty- Horizon Hobby, Inc., (Horizon) warranties that the Products purchased (the
“Product”) will be free from defects in materials and workmanship at the date of purchase by the Purchaser.
Limited Warranty: Horizon reserves the right to change or modify this warranty without notice and dis-
claims all other warranties, express or implied.
(a) This warranty is limited to the original Purchaser (“Purchaser”) and is not transferable. REPAIR OR REPLACE-
MENT AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE PURCHASER. This warranty covers
only those Products purchased from an authorized Horizon dealer. Third party transactions are not covered by this
warranty. Proof of purchase is required for all warranty claims.
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INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCT. THE PURCHASER
ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY MEET THE REQUIRE-
MENTS OF THE PURCHASER’S INTENDED USE.