Troubleshooting guide, Warranty period, Limited warranty – E-flite Ultra Micro 4-Site BNF User Manual

Page 16: Damage limits

Troubleshooting Guide

Problem

Possible Cause

Solution

Aircraft will not “throttle

up” but all other controls

seem to function.

• User did not lower throttle trim

and throttle stick prior to

initializing the aircraft.

• Throttle channel is reversed.

Note: Futaba transmitters

(equipped with Spektrum

modules) may require you to

reverse the throttle channel.

• Lower throttle stick and throttle trim

to their lowest settings.

• Reverse throttle channel on specific

transmitter if applicable.

Propeller or motor shaft

broken.

• Crash damage

• Replace with EFL9051 Prop with

Spinner: UM 4-Site, or EFL9054

Prop Shaft with Gear: UM 4-Site.

Aircraft appears to show

significant decrease in

flight time.

• Flight battery is not fully

charged.

• EFLB150 battery has been

over-discharged multiple times,

causing damage to battery life.

• Recharge flight battery completely.

• Replace (EFLB150) battery and read

“Battery Warnings and Guidelines”

section of manual.

Aircraft appears to have

less power.

• Bushings on gearbox may be

causing friction, reducing power.

• Lubricate the bushings of the

gearbox.

LED on Aircraft remains

flashing and cannot be

controlled by transmitter.

• User did not wait at least 5

seconds after powering the

transmitter prior to connecting

the flight battery to the Aircraft.

• User bound the Aircraft to a

different transmitter.

• Transmitter was too close to

Aircraft during the initialization

process.

• Unplug, then reconnect

flight battery.

• Rebind Aircraft to your desired

compatible transmitter.

• Move transmitter (powered on) a

few feet from the Aircraft prior to

reconnecting the flight battery.

Aircraft appears to roll,

yaw, or pitch towards a

certain direction.

• User did not re-trim the Aircraft.

• Trim control surface using the

transmitter until airplane no longer

moves that direction.

Controls appear to be

reversed after binding to

a different transmitter.

• User did not initially set up the

transmitter prior to binding to

the Aircraft.

• Read “Control Test” section of this

manual. Pages 18–20.

Aircraft does not function

after connecting flight

battery and aircraft smells

burnt.

• User may have accidentally

plugged the flight battery in the

wrong polarity.

• Replace AR6400L board

(SPMAR6400L) and ensure the RED

polarity marks are facing the same

direction when connecting the flight

battery to the AR6400L board.

Warranty Period

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

(a) This warranty is limited to the original Purchaser (“Purchaser”) and is not

transferable. REPAIR OR REPLACEMENT 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 warranty claims.

Further, Horizon reserves the right to change or modify this warranty without notice

and disclaims all other warranties, express or implied.

(b) Limitations- HORIZON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS

OR IMPLIED, ABOUT NON-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

REQUIREMENTS OF THE PURCHASER’S INTENDED USE.

will, at its option, (i) repair or (ii) replace, any Product determined by Horizon to be

defective. In the event of a defect, these are the Purchaser’s exclusive remedies.

Horizon reserves the right to inspect any and all equipment involved in a warranty

claim. Repair or replacement decisions are at the sole discretion of Horizon. This

warranty does not cover cosmetic damage or damage due to acts of God, accident,

misuse, abuse, negligence, commercial use, or modification of or to any part of

the Product. This warranty does not cover damage due to improper installation,

operation, maintenance, or attempted repair by anyone other than Horizon. Return of

any goods by Purchaser must be approved by Horizon before shipment.

Damage Limits

HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT OR CONSEQUENTIAL

DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY

CONNECTED WITH THE PRODUCT, WHETHER SUCH CLAIM IS BASED IN CONTRACT,

WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. 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, final assembly, modification 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 this Product, you are advised to return this Product immediately in new and

unused condition to the place of purchase.