E-FLITE UMX PT-17 - User Manual

Questions and Answers

C
Colin WilcoxJul 31, 2025
What to do if the control surface on my E-FLITE Toy does not move?
- H
  Heather SmithJul 31, 2025
  If a control surface on your E-FLITE Toy isn't moving, consider these potential causes: 1. There may be damage to the control surface, control horn, linkage, or servo. Replace or repair any damaged parts and adjust the controls. 2. Damaged wires or loose connections could be the culprit. Check the wires and connections, reconnecting or replacing them as necessary. 3. A low flight battery charge can prevent movement. Fully recharge the flight battery. 4. The control linkage might not be moving freely. Ensure that it can move without obstruction.
D
Danielle LewisAug 4, 2025
Why does the motor on my E-FLITE Toy lose power?
- C
  Crystal KingAug 4, 2025
  If the motor on your E-FLITE Toy is losing power, it could be due to: * Damage to the motor or power components. Inspect these for damage and replace them if needed. * The prop shaft nut being too tight. Loosen it until the propeller shaft turns freely.
V
Vincent RiveraAug 9, 2025
How to fix reversed controls on my E-FLITE Toy?
- M
  Michael CollinsAug 9, 2025
  If the controls on your E-FLITE Toy are reversed, the transmitter settings are likely the cause. Adjust the controls on the transmitter appropriately to correct this.
K
Karen MarksAug 12, 2025
What to do if motor power quickly decreases and increases then motor loses power on my E-FLITE Toy?
- E
  Elizabeth JacobsAug 13, 2025
  If the motor power on your E-FLITE Toy quickly decreases and increases before the motor loses power, the battery power is likely low, triggering the receiver/ESC Low Voltage Cutoff (LVC). Recharge the flight battery or replace it if it's no longer performing adequately.
L
Lori EvansAug 16, 2025
Why is the motor/ESC not armed after landing on my E-FLITE Toy?
- J
  Jessica CookAug 17, 2025
  If the motor/ESC on your E-FLITE Toy is not armed after landing, the Over Current Protection (OCP) may be stopping the motor because the transmitter throttle is set too high and the propeller cannot turn. Fully lower the throttle and throttle trim to arm the ESC.
G
Gregory WalkerAug 21, 2025
Why does the servo lock or freeze at full travel on my E-FLITE Toy?
- M
  Mrs. Michelle RodgersAug 21, 2025
  If the servo on your E-FLITE Toy locks or freezes at full travel, the travel adjust value is likely set above 100%, overdriving the servo. Set the travel adjust to 100% or less, and/or set sub-trims to zero and adjust the linkages mechanically.
A
akellyOct 26, 2025
Why is the LED flashing rapidly on my E-FLITE Toy and it won't respond after binding?
- T
  Tracey LaneOct 26, 2025
  If the LED on your E-FLITE Toy receiver flashes rapidly and the aircraft doesn't respond after binding, here's what might be happening: * You might not have waited at least 5 seconds after powering on the transmitter before connecting the flight battery. Try disconnecting and reconnecting the flight battery while leaving the transmitter on. * If you're using a ModelMatch™ radio, the aircraft could be bound to a different model memory. Select the correct model memory and reconnect the flight battery. * The flight or transmitter battery might be low. Try replacing or recharging the batteries. * The transmitter may be bound to a different model or DSM protocol. Select the correct transmitter or bind to the new one. * Interference from a large metal object, wireless source, or anoth...

Summary

Product Warnings and Safety

Definitions of Special Language Terms

Defines terms like NOTICE, CAUTION, and WARNING used in the manual.

Product Operation Warning

Emphasizes reading the manual for safe operation and avoiding injury.

Safety Precautions and Age Recommendation

Lists critical safety guidelines for operating the model safely.

Specifications

Installed Components Overview

Lists the motor, receiver, and servos installed in the aircraft.

Included Items Overview

Lists the battery and charger that come with the aircraft.

Items Needed to Complete Operation

Lists recommended transmitter and other items required for operation.

Preflight Checklist for Operation

Battery Charging Safety and Warnings

Charger Warnings

Lists critical safety warnings and cautions related to charging Li-Po batteries.

Battery Charging Process

Explains the LED indications for charging and provides a charging overview.

Transmitter and Receiver Binding

Binding Procedure Steps

Step-by-step instructions for binding the transmitter and receiver.

Low Voltage Cutoff (LVC) Explanation

Flight Battery Installation and ESC Arming

Center of Gravity (CG) Adjustment

Control Direction Tests

Traditional Control Direction Test

Describes manual checks of control surface direction and linkage freedom.

AS3 X Control Direction Test

Explains testing the AS3X system's reaction to aircraft movement.

Flight Control Setup and Adjustment

Control Centering

Instructions on centering flight controls mechanically for optimal performance.

Control Horn Settings

Provides factory settings for control horns and advice on adjustments.

Dual Rates Settings

Recommends dual rate settings for optimal flight performance.

Flying Tips and Repairs

Takeoff and Landing Procedures

Step-by-step guide for performing a successful takeoff and a safe landing.

Aircraft Repair Guidance

Guidance on repairing the aircraft using foam-compatible materials.

Post Flight Checklist

Power Components Service and Maintenance

Power Components Disassembly

Step-by-step guide to take apart the motor and gearbox.

Power Components Assembly

Instructions for reassembling the motor and gearbox correctly.

Installing the Landing Gear

Troubleshooting Guide

AS3 X System Troubleshooting

Troubleshooting specific to the AS3X stabilization system.

Troubleshooting Guide (Continued)

Limited Warranty Information

Warranty Services and Support

Obtaining Assistance and Service

How to contact Horizon Hobby for questions and assistance.

Product Inspection and Service Process

Process for submitting the product for inspection or service.

Regulatory and Compliance Information

FCC and ICC Compliance Information

Compliance statements regarding FCC and Industry Canada regulations.

EU Compliance and Disposal Instructions

EU compliance statement and instructions for WEEE disposal.

Replacement Parts List

Optional Parts and Accessories

E-FLITE UMX PT-17 Specifications

General

Control Surfaces	Ailerons, Elevator, Rudder
Skill Level	Beginner
Assembly Required	No
Battery	3.7V 150mAh LiPo
Radio System	2.4GHz DSMX
Material	Foam
Charger	USB Charger
Motor	180-size brushless outrunner (installed)