12
EN
Troubleshooting Guide
Problem Possible Cause Solution
Helicopter will not bind
to the transmitter
(during binding)
Low fl ight battery or transmitter battery voltage Fully charge or replace the fl ight battery and/or transmitter batteries
AR636A is not in bind mode Make sure the bind plug is connected to the AR636A BND/DAT port
Transmitter is not in bind mode
Power on the transmitter while holding the Trainer/Bind switch. Hold the Trainer/Bind
switch until binding is complete
Transmitter too close to the helicopter during binding
process
Power off the transmitter. Move the transmitter further away from the helicopter.
Disconnect and reconnect the fl ight battery to the helicopter and follow binding instructions
Helicopter will not link to
the transmitter
(after binding)
Helicopter is bound to a different model memory
(ModelMatch™ radios only)
Disconnect the fl ight battery. Select the correct model memory on the transmitter
Reconnect the fl ight battery
Flight battery/Transmitter battery charge is too low Replace or recharge batteries
AR636A will not initialize
The helicopter was moved during initialization Lay the helicopter on its side during initialization if windy
The transmitter is powered off Power on the transmitter
Controls are not centered Center elevator, aileron and rudder controls. Make sure the throttle is at idle
Helicopter will not respond
to the throttle but responds
to other controls
Throttle not at idle and/or throttle trim is too high Lower the throttle stick and lower the throttle trim
The transmitter is not in normal mode or throttle hold is on
Make sure the transmitter is in normal mode and throttle hold is off
The motor is not connected to the ESC or the motor wires
are damaged
Connect the motor wires to the ESC and check motor wires for damage
Flight battery charge is too low Replace or recharge fl ight battery
Throttle channel is reversed Reverse the throttle channel on the transmitter
Helicopter power is lacking
Flight battery has low voltage Fully charge the fl ight battery
Flight battery is old or damaged Replace the fl ight battery
Flight battery cells are unbalanced Fully charge the fl ight battery, allowing the charger time to balance the cells
Excessive current is being drawn through the BEC Check all servos and the helicopter motor for damage
Tail drive belt tension is not correct See "Checking Tail Drive Belt Tension" in this manual
Helicopter will not lift off
Main rotor head is not spinning in the correct direction
Make sure the main rotor head is spinning clockwise. Refer to the motor control test
Transmitter settings are not correct Check throttle and pitch curve settings and pitch control direction
Flight battery has low voltage Fully charge the fl ight battery
Main rotor blades are installed backwards Install the main rotor blades with the thicker side as the leading edge
The helicopter tail spins out
of control
Rudder control and/or sensor direction reversed Make sure the rudder control and the rudder sensor are operating in the correct direction
Tail servo is damaged Check the rudder servo for damage and replace if necessary
Inadequate control arm throw Check the rudder control arm for adequate travel and adjust if necessary
Tail belt is too loose Make sure the tail drive belt tension is adjusted correctly
The helicopter wobbles in
fl ight
Cyclic gain is too high Please review the Advanced Settings - Gain Adjustments section
Headspeed is too low
Increase the helicopter's head speed via your transmitter settings and/or using a freshly
charged fl ight pack
Dampers are worn Replace the main rotor head dampers
Limited Warranty
What this Warranty Covers
Horizon Hobby, LLC, (Horizon) warrants to the original purchaser that the product purchased
(the “Product”) will be free from defects in materials and workmanship at the date of
purchase.
What is Not Covered
This warranty is not transferable and does not cover (i) cosmetic damage, (ii) damage due
to acts of God, accident, misuse, abuse, negligence, commercial use, or due to improper
use, installation, operation or maintenance, (iii) modifi cation of or to any part of the Product,
(iv) attempted service by anyone other than a Horizon Hobby authorized service center,
(v) Product not purchased from an authorized Horizon dealer, (vi) Product not compliant
with applicable technical regulations, or (vii) use that violates any applicable laws, rules, or
regulations.
OTHER THAN THE EXPRESS WARRANTY ABOVE, HORIZON MAKES NO OTHER WARRANTY
OR REPRESENTATION, AND HEREBY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES,
INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE PURCHASER
ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL
SUITABLY MEET THE REQUIREMENTS OF THE PURCHASER’S INTENDED USE.
Purchaser’s Remedy
Horizon’s sole obligation and purchaser’s sole and exclusive remedy shall be that Horizon
will, at its option, either (i) service, or (ii) replace, any Product determined by Horizon to be
defective. Horizon reserves the right to inspect any and all Product(s) involved in a warranty
claim. Service or replacement decisions are at the sole discretion of Horizon. Proof of
purchase is required for all warranty claims. SERVICE OR REPLACEMENT AS PROVIDED
UNDER THIS WARRANTY IS THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY.
Limitation of Liability
HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY,
REGARDLESS OF WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, TORT,
NEGLIGENCE, STRICT LIABILITY OR ANY OTHER THEORY OF LIABILITY, EVEN IF HORIZON
HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Further, in no event shall the
liability of Horizon exceed the individual price of the Product on which liability is asserted.
As Horizon has no control over use, setup, fi nal assembly, modifi cation or misuse, no liability
shall be assumed nor accepted for any resulting damage or injury. By the act of use, setup
or assembly, the user accepts all resulting liability. If you as the purchaser or user are not
prepared to accept the liability associated with the use of the Product, purchaser is advised to
return the Product immediately in new and unused condition to the place of purchase.
Law
These terms are governed by Illinois law (without regard to confl ict of law principals). This
warranty gives you specifi c legal rights, and you may also have other rights which vary
from state to state. Horizon reserves the right to change or modify this warranty at any time
without notice.
WARRANTY SERVICES
Questions, Assistance, and Services
Your local hobby store and/or place of purchase cannot provide warranty support or service.
Once assembly, setup or use of the Product has been started, you must contact your local
distributor or Horizon directly. This will enable Horizon to better answer your questions and
service you in the event that you may need any assistance. For questions or assistance,
please visit our website at www.horizonhobby.com, submit a Product Support Inquiry, or call
the toll free telephone number referenced in the Warranty and Service Contact Information
section to speak with a Product Support representative.