Opterra 1.2 Manual

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Opterra

1.2M

Trouble Shooting Guide

Problem Possible Cause Solution

Aircraft does not operate

There is no link between the transmitter and receiver Re-Bind the system following directions in this manual

No GPS lock. (or operating indoor without disabling GPS) Move to outside and power on aircraft or disable GPS in the aircraft

Transmitter AA batteries are depleted or installed incorrectly

as indicated by a dim or unlit LED on the transmitter or the

low battery alarm

Check polarity installation or replace with fresh AA batteries

No electrical connection Push connectors together until they are secure

Flight battery is not charged Fully charge the battery

Crash has damaged the radio inside the fuselage Replace the fuselage or receiver

Aircraft keeps turning in one

direction

Aileron or aileron trim is not adjusted correctly Adjust stick trims or manually adjust aileron positions

Aircraft does not land on

heading set on initial takeoff

Compass is out of calibration

Calibrate the compass using the “Compass Calibration Procedure”

located in this manual

GPS Function not operating

properly

The compass has been exposed to a magnetic source.

Deactivate GPS system while in ﬂ ight and land the aircraft. Remove any

possible magnetic sources such as cameras, camera mounts, speakers

ect. Unplug and reconnect ﬂ ight battery to reactivate GPS system for next

ﬂ ight. Perform compass calibration before ﬂ ying again.

Aircraft is difficult to control

Wing or tail is damaged Replace damaged part

Damaged propeller Land immediately and replace damaged propeller

Center of Gravity is behind the recommended location

Shift battery forward, do not ﬂ y until correct Center of Gravity location

is achieved

Aircraft nose rises steeply at

half throttle

Wind is too gusty or strong Postpone flying until the wind calms down

Elevator is trimmed ‘up’ too much

If trim must adjusted more than 4 clicks when pushing the trim button,

adjust push rod length

Battery is not installed in the correct position. Move forward approximately 1/2”

Aircraft will not climb

Battery is not fully charged Fully charge battery before flying

Elevator may be trimmed ‘down’ Adjust elevator trim ‘up’

Propeller damaged or installed incorrectly Land immediately, replace or install propeller correctly

Aircraft is difﬁ cult to launch in

the wind

Launching the aircraft down wind or into a cross wind Always launch the aircraft directly into the wind

Flight time is too short

Battery is not fully charged Recharge battery

Flying at full throttle for the entire ﬂ ight Fly at just above half throttle to increase ﬂ ying time

Wind speed too fast for safe ﬂ ight Fly on a calmer day

Propeller damaged Replace propeller

Aircraft vibrates Propeller, spinner or motor damaged Tighten or replace parts

Rudder, ailerons or elevator

do not move freely

Damaged or blocked push rods or hinges Repair damage or blockage

Aircraft will not Bind (during

binding) to transmitter

Transmitter is too near aircraft during binding process

Move powered transmitter a few feet from aircraft, disconnect and

reconnect battery to aircraft

Aircraft or transmitter is too near a large metal object,

wireless source or another transmitter

Move the aircraft and transmitter to another location and

attempt binding again

Bind plug is not installed correctly Install bind plug and bind aircraft to transmitter

Flight battery/Transmitter battery charge is too low Replace/recharge batteries

Aircraft will not connect

(after binding) to transmitter

Transmitter is too near aircraft during connecting pro-

cess

Move powered transmitter a few feet from aircraft, disconnect and

reconnect battery to aircraft

Aircraft or transmitter is too near a large metal object,

wireless source or another transmitter

Move the aircraft and transmitter to another location and attempt con-

necting again

Bind plug is left installed

Rebind transmitter to aircraft and remove bind plug before

cycling power

Aircraft battery/Transmitter battery charge is too low Replace/recharge batteries

Transmitter may have been bound to a different model

(using different DSM Protocol)

Bind aircraft to transmitter

After being properly adjusted,

elevons are not in neutral

position when battery is

plugged in

Model was moved during initial power on

Unplug ﬂ ight battery and reconnect, keeping model immobile for at

least 5 seconds

Virtual Fence modes will

not change between modes

correctly

Dual rates set incorrectly in transmitter setup

The dual rates should not be set lower than 70% for low rate. Set all

low rates to 70% or higher