LG Electronics AR702BR, AR702NS, AR702TT, AR702TS Troubleshooting, Problem Possible Cause Remedy

Page 40

Troubleshooting

Check the following guide for the possible cause of a problem before contacting service.

PROBLEM

 

POSSIBLE CAUSE

 

REMEDY

 

 

 

 

 

No power.

The AC input cord is disconnected.

Connect cord securely.

 

Poor connection at AC wall outlet or the

Check the outlet using a lamp or

 

 

outlet is dead or off.

 

another appliance.

 

 

 

 

 

No sound.

The speaker wires are disconnected.

Check the speaker connections.

 

The MASTER VOLUME is adjusted too low.

Adjust the MASTER VOLUME.

 

The MUTE button is pressed to ON.

Press the MUTE button to cancel the

 

 

 

 

muting effect.

 

The selected decoding mode is not

Select the available decoding mode.

 

 

matched to the input signal format.

 

 

 

Incorrect selection of input source.

Select the desired input source

 

 

 

 

correctly.

 

Incorrect connections between the

Make connections correctly.

 

 

components.

 

 

 

The USB cable is separated during

Execute a media player again.

 

 

playing a file on the PC-LINK mode.

 

 

 

 

 

 

 

No sound from the

Surround mode is switched off (normal

Select a surround mode.

surround speakers.

 

stereo mode).

• Adjust MASTER VOLUME and

 

 

 

 

MASTER VOLUME and surround level

 

surround level.

 

 

are too low.

Select a stereo or surround source.

 

 

 

 

Monaural source is used.

Select the desired surround speaker

 

 

 

 

Surround speaker setting is “NONE”.

 

setting.

 

 

 

 

 

No sound from the

Dolby Virtual, normal stereo mode, etc

Select the desired surround mode.

 

is selected.

 

 

(front) center speaker.

 

 

 

 

 

 

 

 

• MASTER VOLUME and center level are

• Adjust MASTER VOLUME and center

 

 

too low.

 

level.

No sound from the

The input signal format or the current

Under the proper situations, perform

 

surround mode cannot support the 6.1

 

the 6.1 surround playback.

surround center

 

 

 

surround.

 

 

speakers.

 

 

 

 

 

 

 

 

• MASTER VOLUME and surround center

• Adjust MASTER VOLUME and

 

 

level are too low.

 

surround center level.

Stations cannot be

No antenna is connected.

Connect an antenna.

 

 

 

 

received.

The desired station frequency is not

Tune in the desired station frequency.

 

 

tuned in.

 

 

 

Antenna is in wrong position.

Move antenna and retry tuning.

Preset stations cannot

An incorrect station frequency has been

Memorize the correct station

 

memorized.

 

frequency.

be received.

 

 

 

 

 

 

 

The memorized stations are cleared.

Memorize the stations again.

Poor FM reception.

No antenna is connected.

Connect an antenna.

 

 

 

 

 

The antenna is not positioned for the

Change the position of the antenna.

 

 

best reception.

 

 

Remote control does

Batteries are not loaded or exhausted.

Replace the batteries.

 

 

 

 

not operate.

The remote sensor is obstructed.

Remove the obstacle.

 

 

 

 

 

40

Image 40
Contents Main Unit AR702TT-AD Speakers SR72TT-F, SR72TT-C, SR72TT-B Main Unit AR702TS-AD Speakers SR72TS-F, SR72TS-C, SR72TS-LMain Unit AR702BR-AD Speakers SR72BR-L, SR72BR-B, SR72BR-S Main Unit AR702NS-ADRisk of Electric Shock Do not Open Contents Symbol Used in this Manual Before useBefore connection Required cablesFront Panel 19 21Rear Panel Display window Active SubwooferInput Remote Control Remote control operation rangeRemote control battery installation About the remote control modesListening Mode Surround RECEIVER/DVD/TV/VCRDigital DimmerPAUSEX/STEP DVD Mode DVDRepeat VCR Mode VCR TV Mode TVControlling the TV TV InputConnecting components with digital audio output jacks Connect the audio jacksDVD player or Digital device Satellite tunerTV monitor Connect the video jacksSatellite tuner or Set top box, etc Connecting components with analog audio jacks Connecting audio componentsConnecting a camcorder or game console Connect the audio and video jacksConnecting PC, Portable device, or USB device For details, seeConnecting video components for Playback Playback from the Recording VCR Connecting video components for RecordingRecording VCR Component with Hdmi jack Connecting TV or components with Hdmi jackWith Hdmi jack Connecting the antennas Connect the supplied AM loop antenna and FM wire antennaConnecting speakers Example of 6.1 channel speaker system configurationSpeaker System Connection Using Headphones Speaker SetupTurning On the unit Audyssey 2EQ Automatic Press Auto CAL Press EnterSelect Enter Turn Audyssey 2EQ On or OffSelecting the input source Selecting the input modeTo mute the sound Switching the audio signal Switching the video signalPlaying media files using the USB feature Connect the USB device to the USB port of the unit. SeePress Play B PlaybackPresetting radio stations Automatic tuningManual tuning Listening to FM/AM radioSetting the Display Brightness Using the Mute FunctionUsing the Sleep Timer Displaying Source InformationSetup configuration Surround Enjoying surround sound Selecting setup menuGeneral operation of setup menu SPK Type Setting speaker type SPK Level Setting speaker level SPK Distance Setting speaker distanceDigital in Setting Digital Input Signal Enjoying the listening mode Surround modeLoad Init Display DescriptionBypass mode DSP Digital Sound Processor modeEnhancer mode About Listening mode Adjusting the speaker level AV Sync. Adjusting the audio delayAdjusting the tone control Use v / V to adjust the audio delayUsing the Night function Dolby Digital only Storing the settingsLoading the settings M1, M2, M3Mini Glossary for Audio Stream & Surround mode DTS ES Extended Surround DTS / DTS-ES Neo6DTS Digital Surround Troubleshooting Problem Possible Cause RemedySpecifications GeneralAmplifier TunerSpeaker Front SpeakerSR72TT-F SR72TT-C Active subwoofer SR72TT-AFront Speaker Center speaker Surround Speaker Active subwoofer SR72BR-ANo MFL39518807

AR702TS, AR702TT, AR702NS, AR702BR specifications

LG Electronics has made significant strides in the air conditioning market with its innovative range of residential air conditioners, including the AR702NS, AR702TS, AR702TT, and AR702BR models. These air conditioning units are designed to provide efficient cooling, enhanced comfort, and energy savings, making them ideal for modern households.

One of the standout features of the LG AR702 series is its energy efficiency. These models are equipped with cutting-edge inverter technology that allows for variable-speed operation. This means the compressor adjusts its speed according to the room's cooling demand, resulting in reduced energy consumption and lower electricity bills. This eco-friendly approach not only conserves energy but also contributes to a smaller carbon footprint.

In terms of performance, the AR702 series boasts advanced cooling capabilities. The powerful air throw and multiple fan speeds ensure that cool air reaches every corner of a room quickly and efficiently. Additionally, the Smart Diagnosis feature helps users troubleshoot any issues by providing real-time notifications and guidance through the LG ThinQ app, ensuring minimal downtime for your cooling needs.

The design of these models is sleek and modern, allowing them to blend seamlessly into various interior aesthetics. The units are also equipped with advanced air filtration systems. This not only ensures cleaner air by trapping dust and allergens but also enhances the overall comfort of the indoor environment. The filters can be easily cleaned and replaced, making maintenance hassle-free.

Noise levels are another critical aspect of the AR702 series. These units operate at whisper-quiet levels, ensuring that they won't disrupt the peace of a home environment. This is particularly beneficial during nighttime operation or in settings where quietness is paramount.

Furthermore, the AR702BR model takes advantage of LG's patented inverter technology, ensuring consistent temperature control while minimizing energy use. The units also feature a user-friendly remote control and a digital display, making operation simple and intuitive.

In conclusion, the LG AR702NS, AR702TS, AR702TT, and AR702BR air conditioning units provide consumers with a comprehensive solution for home cooling. With their energy-efficient design, powerful performance, advanced air filtration, and modern aesthetics, these models from LG Electronics represent a perfect blend of technology and comfort, catering to the needs of every modern household. Whether you are looking to cool a single room or an entire home, the AR702 series is equipped to deliver optimal performance, reliability, and peace of mind.