E-flite EFLU6550 Manuale del proprietario

UMX

™

A-10 Thunderbolt II

Instruction Manual

Bedienungsanleitung

Manuel d’utilisation

Manuale di Istruzioni

2

EN

WARNING: Read the ENTIRE instruction manual to become familiar with the features of the

product before operating. Failure to operate the product correctly can result in damage to the

product, personal property and cause serious injury.

This is a sophisticated hobby product. It must be operated with caution and common sense and requires

some basic mechanical ability. Failure to operate this product in a safe and responsible manner could

result in injury or damage to the product or other property. This product is not intended for use by

children without direct adult supervision. Do not use with incompatible components or alter this product

in any way outside of the instructions provided by Horizon Hobby, LLC. This manual contains instructions

for safety, operation and maintenance. It is essential to read and follow all the instructions and warnings

in the manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or

serious injury.

Meaning of Special Language:

The following terms are used throughout the product literature to indicate various levels of potential

harm when operating this product:

WARNING: Procedures, which if not properly followed, create the probability of property damage,

collateral damage, and serious injury OR create a high probability of supercial injury.

CAUTION: Procedures, which if not properly followed, create the probability of physical property damage

AND a possibility of serious injury.

NOTICE: Procedures, which if not properly followed, create a possibility of physical property damage AND

little or no possibility of injury.

NOTICE

All instructions, warranties and other collateral documents are subject to change at the sole discretion of

Horizon Hobby, LLC. For up-to-date product literature, visit www.horizonhobby.com or

www.towerhobbies.com and click on the support or resources tab for this product.

Age Recommendation: Not for children under

14 years. This is not a toy.

Safety Precautions and Warnings

• Always keep a safe distance in all directions

around your model to avoid collisions or injury.

This model is controlled by a radio signal subject

to interference from many sources outside your

control. Interference can cause momentary loss

of control.

• Always operate your model in open spaces away

from full-size vehicles, trafc and people.

• Always carefully follow the directions and

warnings for this and any optional support equip-

ment (chargers, rechargeable battery packs, etc.).

• Always keep all chemicals, small parts and

anything electrical out of the reach of children.

• Always avoid water exposure to all equipment

not specically designed and protected for this

purpose. Moisture causes damage to electronics.

• Never place any portion of the model in your

mouth as it could cause serious injury or

even death.

• Never operate your model with low transmitter

batteries.

• Always keep aircraft in sight and under control.

• Always use fully charged batteries.

• Always keep the transmitter powered on while

aircraft is powered.

• Always remove batteries before disassembly.

• Always keep moving parts clean.

• Always keep parts dry.

• Always let parts cool after use before touching.

• Always remove batteries after use.

• Always ensure failsafe is properly set

before ying.

• Never operate aircraft with damaged wiring.

• Never touch moving parts.

3

EN

To register your product online, go to https://www.horizonhobby.com/register.html

20.3 (516mm)

22.1 in (562mm)

Table of Contents

Speciﬁcations

Wing Area: 83.7 sq. in.

(5.40 sq dm)

Preﬂight Checklist

Installed

(2) Motors: 8,800Kv Brushless

Outrunner (EFLUM0810)

Receiver: Integrated 6-Ch DSMX

®

receiver w/AS3X

®

and Twin Brushless

ESCs (SPMA3182)

(4) Servos: 2.3-Gram Linear Long

Throw Servo (SPMSA2030L)

Required to Complete

Recommended Battery: 850mAh 3S

11.1V 30C Li-Po with IC2 connector

(SPMX8503S30)

Battery Charger: Smart S150 AC/DC

Charger, 1x50W (SPMXC1070); Adapter:

IC3 Batt / IC2 Device (SPMXCA320)

Recommended Transmitter:

Full range Spektrum

™

DSM2

®

/DSMX

®

with dual rates



1. Charge flight battery.

2. Install flight battery in aircraft (once it

has been fully charged).

3. Bind aircraft to transmitter.

4. Make sure linkages move freely.

5. Perform Control Direction Test with

transmitter.

6. Perform AS3X Control Direction Test

with aircraft.



7. Set dual rates.

8. Adjust center of gravity.

9. Perform a radio system Range Check.

10. Find a safe and open area.

11. Plan flight for flying field conditions.

12. Set flight timer for 5 minutes for first

flight.

4.2oz / 120g (without battery)

6.8oz / 192g (with 850mAh 3S 30C battery)

Transmitter Setup .................................................4

Binding .................................................................4

Integrated Telemetry .............................................4

ESC/Receiver Arming, Battery Installation and

Center of Gravity ................................................... 5

SAFE® Select Technology .....................................6

Control Centering ................................................. 7

Factory Control Horn Settings................................7

Landing Gear Removal ..........................................8

Control Direction Test ............................................ 9

AS3X Direction Test .............................................10

Flying Tips and Repairs .......................................11

SAFE Select Flying Tips .......................................12

Motor Service .....................................................13

Post Flight Checklist ...........................................14

Replacement Parts ..............................................14

Recommended Items ..........................................14

Optional Items ....................................................14

Troubleshooting Guide ........................................15

Troubleshooting Guide (Continued) ...................... 16

Limited Warranty ................................................16

Warranty and Service Contact Information ..........18

FCC Information .................................................. 18

IC Information .....................................................18

EU Information ....................................................19

4

EN

Integrated Telemetry

Binding

IMPORTANT: After you set up your model, always

rebind the transmitter and receiver to set the desired

failsafe positions.

If your transmitter allows it, enable the throttle

cut feature. Always engage throttle cut before

approaching the aircraft.

Dual Rates

Low rate is recommended for the initial ﬂights.

NOTICE: To ensure AS3X

®

technology functions

properly, do not lower rate values below 50%.

NOTICE: If oscillation occurs at high speed, refer

to the Troubleshooting Guide for more information.

Exponential

After your initial ights, you may adjust the expo

value to better suit your ying style.

Computerized Transmitter Setup

DX series, NX series, iX series

Start all transmitter programming with a blank ACRO

model (do a model reset), then name the model.

Reversing All Normal

Dual Rates

HIGH 100%

LOW 70%

Expo

10% on aileron,

elevator and rudder

Servo Travel 100%

Timer 5 minutes

Set Throttle cut to -100%

Transmitter Setup

Binding is the process of programming the receiver to recognize the GUID (Globally Unique Identier)

code of a single specic transmitter. You need to ‘bind’ your chosen Spektrum

™

DSM2/DSMX technology

equipped aircraft transmitter to the receiver for proper operation.

Any full range Spektrum DSM2/DSMX transmitter can bind to the DSM2/DSMX receiver.

Binding Procedure

1. Refer to your transmitter’s unique instructions for binding to a receiver

(location of transmitter’s Bind control).

2. Make sure the ight battery is disconnected from the aircraft.

3. Power off your transmitter.

4. Place the aircraft on a level surface away from wind.

5. Connect the ight battery in the aircraft. The receiver LED will begin to ash rapidly (typically after

5 seconds).

6. Make sure the transmitter controls are neutral and the throttle and throttle trim are in low position.

7. Put your transmitter into bind mode. Refer to your transmitter’s manual for binding button or

switch instructions.

8. After 5 to 10 seconds, the receiver status LED will turn solid, indicating that the receiver is bound to the

transmitter. If the LED does not turn solid, refer to the Troubleshooting Guide at the back of the manual.

For subsequent ights, power ON the transmitter for 5 seconds before connecting the ight battery.

This aircraft includes telemetry between the ESC and receiver, which can provide information including; RPM, voltage,

motor current, throttle setting (%), FET (speed controller) temperature, and BEC (servo power supply) temperature.

To View Telemetry:

1. Begin with the transmitter bound to the receiver.

2. Power on the transmitter.

3. Power on the aircraft.

4. A signal bar appears in the top left corner of the screen when the telemetry information is being received.

5. Scroll past the servo monitor to view the technology screens.

For more information about compatible transmitters, rmware updates, and how to use the telemetry technology on

your transmitter,

visit www.SpektrumRC.com.

5

EN

ESC/Receiver Arming, Battery Installation and Center of Gravity

4

3

2

1

1-2-3-4-5 Sec.

NOTICE: Always keep material or debris away

from the intake. When armed, the rotor will turn in

response to throttle movement and could ingest

loose objects.

The UMX A-10 requires a 3S 850mAh Li-Po battery

with an IC2 or EC2 connector (SPMX8503S30

recommended). Add a piece of hook and loop

material (hook side) to the side of the fuselage

along the battery compartment. Add a small piece

of hook and loop material (soft side) to the side of

the battery at the same end as the power lead. It is

important to only use a small piece to prevent the

battery from shifting. Using too large of a piece will

make it difcult to remove the battery and may lead

to fuselage damage.

Arming the ESC/receiver also occurs after binding

as previously described, but subsequent connection

of a ight battery requires the following steps.

1. Lower the throttle and throttle trim to the

lowest settings on your transmitter.

2. Remove the battery/canopy hatch from the

fuselage and install a flight battery (A) all the

way to the back of the battery comportment.

Center of Gravity (CG)

The CG location is 32-34mm back from the

leading edge of the wing at the root. Balance the

airplane inverted on this recommended CG mark

with all landing gear installed. Adjust as needed by

sliding the battery forward or back.

3. Power ON your Transmitter,

then wait 5 seconds.

4. Connect the battery to the ESC, noting proper

polarity. Keep the plane immobile and away

from wind for 5 seconds to allow the AS3X

system to initialize.

A successful connection is indicated by:

– A series of tones

– A continuous LED

CAUTION: Always disconnect the Li-Po

battery from the ESC when not ying to

eliminate power supplied to the motor. The ESC

does not have an arming switch and will respond

to any transmitter input when a signal is present.

CAUTION: Always disconnect the Li-Po

battery from the ESC when not ying to avoid

over-discharging the battery. Batteries discharged

to a voltage lower than the lowest approved

voltage may become damaged, resulting in loss of

performance and potential re when batteries

are charged.

32-34mm

A

6

EN

SAFE® Select Technology

Mode 1 and 2 transmitters

X 5

100%

When SAFE Select is activated, bank and pitch limitations keep you from over-controlling the aircraft.

Additionally, by releasing the controls in the event you lose orientation, SAFE Select will keep the

aircraft level.

To activate SAFE

®

Select, ip the Gear channel switch to position 0. Return the Gear switch to position 1 to

turn OFF SAFE Select and y with just the assistance of AS3X

®

technology.

If you become disoriented or the aircraft is in a confusing attitude, ip the Gear switch to position 0 and

release the sticks. With the aileron, elevator and rudder sticks in the neutral position, SAFE Select will

automatically keep the airplane in a straight and level attitude.

Disabling and Enabling SAFE Select

By default, the SAFE Select function of your UMX aircraft is enabled and assigned to the Gear channel

switch (channel 5). If you do not wish to have access to SAFE Select while ying, you can choose to disable

SAFE Select functionality. AS3X will still be active when SAFE Select is disabled.

IMPORTANT: Before attempting to disable or enable SAFE Select, ensure the aileron, elevator, rudder,

throttle and gear channels are all on high rate with the travel set to 100%. Turn throttle hold OFF if it is

programmed in the transmitter.

CAUTION: Keep all body parts clear of the rotor, intake and exhaust tube and keep the aircraft

securely restrained in case of accidental throttle activation.

1. Power on the transmitter.

2. Power on the aircraft.

3. Hold both transmitter sticks to the inside bottom

corners and toggle the Gear switch 5 times

(1 toggle = full up and down). The control

surfaces of the aircraft will move, indicating SAFE

Select has been enabled or disabled.

Repeat the process again to re-enable or

disable SAFE Select.

DX4e, DX5e, DXe, and DXS Transmitters

The Gear switch is the FMODE switch on the these

transmitters, and the switch needs to be toggled

between position 0 and 2 when disabling/enabling SAFE Select.

7

EN

Control Centering

Factory Control Horn Settings

The illustration shows the factory settings for

linkages on the control horns. Linkage connections

on the control horns directly affect aircraft response.

Rudder Ailerons Elevator

Before the ﬁrst ﬂights, or in the event of an

accident, make sure the ﬂight control surfaces

are centered. Adjust the linkages mechanically if

the control surfaces are not centered. Use of the

transmitter sub-trims may not correctly center the

aircraft control surfaces due to the mechanical limits of

linear servos.

1. Ensure SAFE Select is OFF.

2. Make sure the control surfaces are neutral when

the transmitter controls and trims are centered.

The transmitter sub-trim must always be set

to zero.

3. When needed, use a pair of pliers to carefully

bend the metal linkage (see illustration).

4. Make the U-shape narrower to make the

connector shorter. Make the U-shape wider to

make the linkage longer.

Centering Controls After First Flights

For best performance with AS3X, it is important

that excessive trim is not used. Do not trim the

aircraft while SAFE Select is active. Always trim

the aircraft in AS3X mode. If the model requires

excessive transmitter trim (4 or more clicks of trim

per channel), return the transmitter trim to zero and

adjust the linkages mechanically so that the control

surfaces are in the ight trimmed position.

8

EN

Landing Gear Removal

The landing gear may be left installed or removed

to suit your ying area. We recommend using the

landing gear when you can take off and land from

a smooth surface. If you have long grass you may

choose to remove the landing gear, in which case you

will need to hand launch the aircraft and belly land.

1. Carefully pull the gear straight out of the

retainer clip that secures it into the fuselage.

When needed, assemble in reverse order.

When the landing gear is reinstalled, make sure the

nose gear is angled forward as shown.

9

EN

Control Direction Test

You should bind your aircraft and

transmitter before doing these tests.

Move the controls on the transmitter to

make sure the aircraft control surfaces

move correctly and in the proper direction.

Make sure the tail linkages move freely

and that paint or decals are not adhered

to them.

Transmitter

Command

Aircraft Reaction

ElevatorAileronRudder

Down

Elevator

Up

Elevator

Right

Roll

Left

Roll

Right

Rudder

Left

Rudder

Arrows indicate the direction of the trailing edge of the control

surface.

10

EN

AS3X Direction Test

You should bind your aircraft and

transmitter before doing these tests.

Move the controls on the transmitter to

make sure the aircraft control surfaces

move correctly and in the proper direction.

Make sure the tail linkages move freely

and that paint or decals are not adhered

to them.

Aircraft

movement

AS3X Reaction

Arrows indicate the direction of the trailing edge of the control

surface.

11

EN

Flying Tips and Repairs

Range Check your Radio System

After nal assembly, range check the radio system

with the aircraft. Refer to your specic transmitter

instruction manual for range test information.

Flying

We recommend ying your aircraft outside in no greater

than moderate winds or inside in a very large indoor

facility. Always avoid ying near houses, trees, wires

and buildings. Be careful to avoid ying in areas where

there are many people, such as busy parks, schoolyards

or soccer elds. Consult local laws and ordinances

before choosing a location to y your aircraft.

Hand Launching

Hold the aircraft above the wings between the

canopy and motor nacelles. Apply full throttle and

launch directly into the wind with an underhand

toss with the nose pointed up at approximately 45

degrees above the horizon.

Tip: Electric ducted fan (EDF) aircraft require airspeed

for control and have less control authority at slow

speeds without a propeller slipstream moving air over

the control surfaces.

Takeoff

Taxi the aircraft in position for takeoff (facing into

the wind if ying outdoors). Gradually increase the

throttle to full power, holding a small amount of up

elevator and steering with the rudder. Climb gently

to check trim. Once the trim is adjusted, begin

exploring the ight envelope of the aircraft.

Landing

Always land into the wind. Fly the landing pattern

with a slightly nose high attitude. Use throttle

management to control the decent rate of the

aircraft.

During are, keep the wings level and the airplane

pointed into the wind. Gently lower the throttle while

pulling back on the elevator to bring the aircraft

down on the main wheels or to belly land without

landing gear.

NOTICE: Always fully lower the throttle when landing

the aircraft to prevent intake of foreign objects, which

can damage the ducted fan and motor.

Failure to lower the throttle stick and trim to the

lowest possible positions during a crash could result

in damage to the ESC in the receiver unit, which

may require replacement.

Over Current Protection (OCP)

The aircraft is equipped with Over Current

Protection. OCP protects the ESC from overheating

and stops the motor when the transmitter throttle is

set too high and the rotor cannot turn. OCP will only

activate when the throttle is positioned just above

1/2 throttle. After the ESC stops the motor, fully

lower the throttle to re-arm the ESC.

Low Voltage Cutoff (LVC)

LVC is a function built into your ESC to protect the

battery from over-discharge. When the battery

charge is low, LVC limits power supplied to the

motor. The aircraft will begin to slow and you

will hear the motor pulse. When the motor power

decreases, land the aircraft immediately and

recharge the ight battery.

NOTICE: Repeated ying to LVC will damage the

battery.

Disconnect and remove the Li-Po battery from

the aircraft after use to prevent trickle discharge.

Charge your Li-Po battery to about half capacity

before storage. During storage, make sure the

battery charge does not fall below 3V per cell.

For your ﬁrst ﬂights, set your transmitter timer

or a stopwatch to 5 minutes. Adjust your timer for

longer or shorter ights once you have own the

model.

Fly in this area

Stand here

600

feet (182.8 m)

Wind

Hold here from

the top for hand

launching

12

EN

SAFE Select Flying Tips

When ying in SAFE Select mode the aircraft will return to level ight any time the aileron and elevator

controls are at neutral. Applying aileron or elevator control will cause the airplane to bank, climb or dive. The

amount the stick is moved will determine the attitude the airplane ies. Holding full control will push the

aircraft to the pre-determined bank and roll limits, but it will not go past those angles.

When ying with SAFE Select, it is normal to hold the control stick deected with moderate aileron input

when ying through a turn. To y smoothly with SAFE Select, avoid making frequent control changes and

don’t attempt to correct for minor deviations. Holding deliberate control inputs will command the aircraft to

y at a specic angle, and the model will make all corrections to maintain that ight attitude.

When ying with SAFE Select, throttle will make the aircraft climb or descend. Full throttle will cause the aircraft

to pitch up and climb slightly. Mid throttle will keep the airplane ying level. Low throttle will cause the airplane to

descend slightly nose-down.

Return the elevator and aileron controls to neutral before switching from SAFE Select mode to AS3X mode.

If you do not neutralize controls when switching into AS3X mode, the control inputs used for SAFE Select

mode will be excessive for AS3X mode and the aircraft will react immediately.

Differences between SAFE Select and AS3X modes

This section is generally accurate but does not take into account ight speed, battery charge status, and

other limiting factors.

SAFE Select AS3X

Control Input

Control stick is

neutralized

Aircraft will self level

Aircraft will continue to y at its

present attitude

Holding a small

amount of control

Aircraft will bank or pitch to a moderate

angle and maintain the attitude

Aircraft will continue to pitch or

roll slowly

Holding full control

Aircraft will bank or pitch to the

predetermined limits and maintain the

attitude

Aircraft will continue to roll or

pitch rapidly

Throttle

Full throttle: Climb

Neutral: Level ight

Low throttle: Decsend nose-down

Throttle will not affect ight

response.

13

EN

Motor Service

Disassembly

CAUTION: DO NOT handle the rotor or

motor while the ight battery is connected.

Personal injury could result.

1. In order to access the motor connector(s) it is

necessary to separate the top and bottom of

the fuselage to access the receiver/ESC. The

top and bottom fuselage parts are secured with

glue and clear tape. Carefully cut the clear tape

and follow the seam with a knife to cut the glue

and remove the bottom of the fuselage.

NOTICE:

Removing tape or decals can damage paint

on your aircraft. Avoid pinching or otherwise damaging

any wires when opening or closing the fuselage.

2. Disconnect the motor(s) from the receiver.

3. The fan may be accessed at any time for

service by removing the two screws securing

it to the front of the motor.

4. The motor may be removed by accessing the

rear of the fan assembly through the back of

the fan unit. You do not need to separate the

nacelle in order to service the motor.

Assembly

• Assemble in reverse order, connecting the top

and bottom half of the fuselage with clear tape

and/or foam safe CA.

14

EN

Post Flight Checklist



1. Disconnect the flight battery from the ESC

(Required for safety and battery life).

2. Power OFF the transmitter.

3. Remove the flight battery from the

aircraft.

4. Recharge the flight battery.



5. Store the flight battery apart from the

aircraft and monitor the battery charge.

6. Make note of the flight conditions and flight

plan results, planning for future flights.

Replacement Parts

Optional Items

Recommended Items

Part # Description

EFLDF30R 6-Blade Rotor, 30mm

EFLU6551 Pushrod Set

EFLU6552 Landing Gear

EFLU6553 Hatch/Canopy

EFLU6554 Fuselage w/nose cone and Nacelle

EFLU6555 Nacelle Set

EFLU6556 Wing

EFLU6557 Tail Set

EFLU6558 Ducted Fan Unit

EFLU6559 Decal Sheet

EFLUM0810 8,800Kv Brushless Outrunner

SPMA3182 Integrated Rx

SPMSA2030L 2.3 g Linear Long Throw Servo

Part # Description

SPMR6775 NX6 6 Ch DSMX Transmitter Only

SPMR8100 DX8e 8 Ch Transmitter Only

SPMR8200 NX8 8 Ch DSMX Transmitter Only

SPMXBC100 Smart Battery & Servo Tester

SPMXCA322 Adapter: IC2 Battery - JST-RCY Device

Part # Description

DYN1400 LiPo Charge Protection Bag,Small

SPMR6655 DX6e 6 Ch Transmitter Only

SPMX8503S30 850mAh 3S Smart G2 30C; IC2

SPMXC1070 Smart S150 AC/DC Charger, 1x50W

SPMXC1080 Smart S1100 AC Charger, 1x100W

SPMXCA320 Adapter: IC3 Batt / IC2 Device

15

EN

Problem Possible Cause Solution

Aircraft will not respond

to throttle but responds

to other controls

Throttle stick and/or throttle trim too high Reset controls with throttle stick and throttle

trim at lowest setting

Throttle channel is reversed Reverse throttle channel on transmitter

Motor disconnected from receiver Open fuselage and make sure motor is

connected to the receiver

Flight battery charge is low Fully recharge ight battery

Extra motor noise or

extra vibration

Damaged rotor or motor Replace damaged parts

Rotor out of balance Balance or replace the rotor

Reduced ight time or

aircraft underpowered

Flight battery charge is low Completely recharge ight battery

Flight battery damaged Replace ight battery and follow ight battery

instructions

Flight conditions may be too cold Make sure battery is warm before use

Battery capacity too low for ight conditions Replace battery or use a larger capacity

battery

LED on receiver ashes

and aircraft will not bind

to transmitter (during

binding)

Transmitter too near aircraft during binding

process

Power off transmitter, move transmitter a

larger distance from aircraft, disconnect and

reconnect ight battery to aircraft and follow

binding instructions

Bind switch or button not held long enough

during bind process

Power off transmitter and repeat bind pro-

cess. Hold transmitter bind button or switch

until receiver is bound

Aircraft or transmitter is too close to large

metal object, wireless source or another

transmitter

Move aircraft and transmitter to another

location and attempt binding again

Troubleshooting Guide

AS3X

Problem Possible Cause Solution

Control surfaces not at

neutral position when

transmitter controls are

at neutral

Control surfaces may not have been

mechanically centered from factory

Center control surfaces mechanically by

adjusting the U-bends on control linkages

Aircraft was moved after the ight battery

was connected and before sensors

initialized

Disconnect and reconnect the ight battery

while keeping the aircraft still for 5 seconds

Model ies inconsis-

tently from ight to

ight

Aircraft was not kept immobile for 5

seconds after battery was plugged in

Keep the aircraft immobile for 5 seconds after

plugging in the battery

Trims are moved too far from neutral

position

Neutralize trims and mechanically adjust

linkages to center control surfaces

Controls oscillate in

ight, (model rapidly

jumps or moves)

Rotor is unbalanced, causing excessive

vibration

Remove rotor and motor. Check motor shaft

for straightness and replace rotor if damaged

16

EN

Problem Possible Cause Solution

LED on receiver ashes

rapidly and aircraft will

not respond to transmit-

ter (after binding)

Less than a 5-second wait between rst

powering on transmitter and connecting

ight battery to aircraft

Leaving transmitter on, disconnect and

reconnect ight battery to aircraft

Aircraft bound to different model memory

(ModelMatch

™

radios only)

Select correct model memory on transmitter

and disconnect and reconnect ight battery

to aircraft

Flight battery/transmitter battery charge is

too low

Replace/recharge batteries

Transmitter may have been bound to a

different model (or with a different DSM

Protocol)

Select the right transmitter or bind to the

new one

Aircraft or transmitter is too close to large

metal object, wireless source or another

transmitter

Move aircraft and transmitter to another

location and attempt linking again

Control surface does

not move

Control surface, control horn, linkage or

servo damage

Replace or repair damaged parts and adjust

controls

Wire damaged or connections loose Do a check of wires and connections, con-

nect or replace as needed

Flight battery charge is low Fully recharge ight battery

Control linkage does not move freely Make sure control linkage moves freely

Controls reversed Transmitter settings reversed Adjust controls on transmitter appropriately

Motor loses power Damage to motor or power components Do a check of motor and power components

for damage (replace as needed)

Motor power quickly

decreases and in-

creases then motor

loses power

Battery power is down to the point of

receiver/ESC Low Voltage Cutoff (LVC)

Recharge ight battery or replace battery that

is no longer performing

Servo locks or freezes

at full travel

Travel adjust value is set above 100%,

overdriving the servo

Set Travel adjust to 100% or less and/or set

sub-trims to Zero and adjust linkages

mechanically

Troubleshooting Guide (Continued)

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)

modi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, or

(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.

17

EN

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, nal

assembly, modi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 conict of law principals). This warranty

gives you speci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.

Inspection or Services

If this Product needs to be inspected or serviced

and is compliant in the country you live and use

the Product in, please use the Horizon Online

Service Request submission process found on

our website or call Horizon to obtain a Return

Merchandise Authorization (RMA) number. Pack the

Product securely using a shipping carton. Please

note that original boxes may be included, but are

not designed to withstand the rigors of shipping

without additional protection. Ship via a carrier

that provides tracking and insurance for lost or

damaged parcels, as Horizon is not responsible for

merchandise until it arrives and is accepted at our

facility. An Online Service Request is available at

http://www.horizonhobby.com/content/_service-

center_render-service-center. If you do not have

internet access, please contact Horizon Product

Support to obtain a RMA number along with

instructions for submitting your product for service.

When calling Horizon, you will be asked to provide

your complete name, street address, email address

and phone number where you can be reached

during business hours. When sending product into

Horizon, please include your RMA number, a list

of the included items, and a brief summary of the

problem. A copy of your original sales receipt must

be included for warranty consideration. Be sure

your name, address, and RMA number are clearly

written on the outside of the shipping carton.

NOTICE: Do not ship LiPo batteries to Horizon.

If you have any issue with a LiPo battery,

please contact the appropriate Horizon Product

Support ofﬁce.

Warranty Requirements

For Warranty consideration, you must include

your original sales receipt verifying the proof-

of-purchase date. Provided warranty conditions

have been met, your Product will be serviced or

replaced free of charge. Service or replacement

decisions are at the sole discretion of Horizon.

Non-Warranty Service

Should your service not be covered by warranty,

service will be completed and payment will be

required without notiﬁcation or estimate of the

expense unless the expense exceeds 50% of the

retail purchase cost. By submitting the item for

service you are agreeing to payment of the service

without notication. Service estimates are available

upon request. You must include this request with

your item submitted for service. Non-warranty

service estimates will be billed a minimum of ½

hour of labor. In addition you will be billed for return

freight. Horizon accepts money orders and cashier’s

checks, as well as Visa, MasterCard, American

Express, and Discover cards. By submitting any

item to Horizon for service, you are agreeing to

Horizon’s Terms and Conditions found on our

website http://www.horizonhobby.com/content/_

service-center_render-service-center.

ATTENTION: Horizon service is limited to

Product compliant in the country of use and

ownership. If received, a non-compliant Product

will not be serviced. Further, the sender will be

responsible for arranging return shipment of the

un-serviced Product, through a carrier of the

sender’s choice and at the sender’s expense.

Horizon will hold non-compliant Product for a

period of 60 days from notiﬁcation, after which

it will be discarded.

10/15

18

EN

Warranty and Service Contact Information

FCC Information

IC Information

Country of

Purchase

Horizon Hobby Contact Information Address

United States

of America

Horizon Service Center (Repairs and

Repair Requests)

servicecenter.horizonhobby.com/

RequestForm/

2904 Research Rd

Champaign, Illinois,

61822 USA

Horizon Product Support (Product

Technical Assistance)

productsupport@horizonhobby.

com

877-504-0233

Sales

websales@horizonhobby.com

800-338-4639

European Union

Horizon Technischer Service service@horizonhobby.de Hanskampring 9

D 22885 Barsbüttel,

Germany

Sales: Horizon Hobby GmbH +49 (0) 4121 2655 100

Contains FCC ID: BRWWACO1T

Supplier’s Declaration of Conformity

UMX A-10 Thunderbolt II EDF (EFLU6550)

This device complies with part 15 of the FCC

Rules. Operation is subject to the following

two conditions: (1) This device may not

cause harmful interference, and (2) this device must

accept any interference received, including

interference that may cause undesired operation.

CAUTION: Changes or modications not

expressly approved by the party

responsible for compliance could void the

user’s authority to operate the equipment.

NOTE: This equipment has been tested and found

to comply with the limits for a Class B digital

device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable

protection against harmful interference in a

residential installation. This equipment generates,

uses and can radiate radio frequency energy

and, if not installed and used in accordance with

the instructions, may cause harmful interference

to radio communications. However, there is no

guarantee that interference will not occur in a

particular installation. If this equipment does

cause harmful interference to radio or television

reception, which can be determined by turning the

equipment off and on, the user is encouraged to try

to correct the interference by one or more of the

following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment

and receiver.

• Connect the equipment into an outlet on a circuit

different from that to which the receiver is

connected.

• Consult the dealer or an experienced radio/TV

technician for help.

Horizon Hobby, LLC

2904 Research Rd.,

Champaign, IL 61822

Email: compliance@horizonhobby.com

Web: HorizonHobby.com

Contains IC: 6157A-WACO1T

CAN ICES-3 (B)/NMB-3(B)

This device contains license-exempt transmitter(s)/

receivers(s) that comply with Innovation, Science, and

Economic Development Canada’s license-exempt RSS(s).

Operation is subject to the following 2 conditions:

1. This device may not cause interference.

2. This device must accept any interference, includ-

ing interference that may cause undesired operation

of the device.

19

EN

EU Information

EU Compliance Statement: UMX A-10

Thunderbolt II EDF (EFLU6550)

Hereby,

Horizon Hobby, LLC declares that the device

is in compliance with the following:

EU Radio Equipment Directive 2014/53/EU;

RoHS 2 Directive 2011/65/EU;

RoHS 3 Directive - Amending 2011/65/EU Annex II

2015/863.

The full text of the EU declaration of conformity is

available at the following internet address: https://www.

horizonhobby.com/content/support-render-compliance.

UMX A-10 Thunderbolt II EDF (EFLU6550)

Wireless Frequency Range and Wireless Output

Power: 2404-2476 MHz / 1.43 dBm

EU Manufacturer of Record:

Horizon Hobby, LLC

2904 Research Road

Champaign, IL 61822 USA

EU Importer of Record:

H

orizon Hobby, GmbH

Hanskampring 9

22885 Barsbüttel Germany

WEEE NOTICE:

This appliance is labeled in accordance

with European Directive 2012/19/EU

concerning waste of electrical and

electronic equipment (WEEE). This label

indicates that this product should not be

disposed of with household waste. It should be

deposited at an appropriate facility to enable recovery

and recycling.

20

EN

E-ite, AS3X, UMX, DSM, DSM2, DSMX, ModelMatch, Bind-N-Fly, EC2, IC2, IC3

and the Horizon Hobby logo are trademarks or registered trademarks of Horizon Hobby, LLC.

The Spektrum trademark is used with permission of Bachmann Industries, Inc.

All other trademarks, service marks and logos are property of their respective owners.

US 7,898,130. US D578,146. US 9,930,567. US 10,419,970. US 10,849,013.

W US 8,672,726. US 9,056,667. US 9,753,457. US 10,078,329.

Other patents pending.

www.e-iterc.com

Created 12/20 30156EFLU6550

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