Factory Reset [sound bar]

Should you experience some buttons on the main unit or remote controller not working or no sound coming out of the sound bar, resetting the audio device may solve the problem.

If buttons on the sound bar do not operate or if there is no sound output of the connected device, troubleshoot by resetting the sound bar
If the initialization message is displayed, but the initialization does not proceed or the problem is not resolved, inspection by a service center technician will be required.
If your model is not listed in below content, please reach out to LG Electronics Customer Information Center by clicking this link Contact LG.

Cause and Symptoms

Flea power
- Flea power is the residual static electricity that remains in the computer or electronic peripheral even after it has been powered off and the battery is removed.
- Draining residual flea power, also known as a performing a "hard reset", is also a common troubleshooting step if your computer or device does not power on or boot into the operating system.
- Flea power is residual static electricity that remains within an electronic device or appliance’s Printed Circuit Board even after it has been powered off, often causing erratic behavior from the device.
- Draining residual flea power, also known as a performing a "hard reset", is also a common troubleshooting step in eliminating erroneous error codes that might have popped up in the control panel display window.
- First course of action is to unplug the device from the electrical outlet. Press and hold the Power button for roughly 5 seconds, then release. Plug the power cord back into the electrical outlet.
Unresponsive buttons while using the sound bar.
No sound coming out of the sound bar.

Try this

Initialization order

Turn on the soundbar to initialize.
Follow re-initializing instruction method for respective model (listed in manufacturing year descending order).
The words [E2P CLR], [RESET] appear in the sound bar display window, and the power turns off automatically.
If it operates normally when you turn the power back on, resetting it was successful.
The method for re-initializing the soundbar may differ depending on the model. If the problem persists after reinitialization, please reach out to LG Electronics Customer Information Center to further explore your options by clicking this link Contact LG.

Caution

Where can I obtain the model number?

There is a label on the back or bottom of the sound bar main unit. Please check the SVC CODE and model number on the label.
What if the specific model number is not listed in below?

Content is listed for representative model number and as such might not include derivative models. Please verify again and look for a model number with similar first 3 or 4 characters.
- If it is S95QR, you can find the initialization method by searching for S95Q.
- If you cannot find your model, please reach out to LG Electronics Customer Information Center by clicking this link, Contact LG.

Avoid any complication by resetting the sound bar to factory default.

If the buttons on the sound bar or the remote controller do not work or if there is no sound, then reset the product.
Unplug the sound bar, then plug it back in. Turn on the sound bar to reset it.
Proceed with below Factory Reset method for each respective type model.
Once the [RESET] message gets displayed, the sound bar automatically powers off.
Turn on the power again to see if it operates properly. If it does, then it means that resetting the sound bar to factory defaults was successful.

※ If the execution was unsuccessful after [RESET] message notification got displayed in the panel window, then you will need to consult with an authorized repair technician. Contact an LG representative

Reset instructions method

→ S95TR, SC9S, SE6S, S95Q, S90Q, S80Q, SP11, SP9, SP8, SK10, SK8

Press the [Wi-Fi] button on the sound bar for more than 5 seconds.

→ QP5, SP2, S40Q, S60Q

Press the [-] button on the main unit and the [AI Sound Pro Key] button on the remote controller at the same time for more than 5 seconds.

→ SN11, SN10, SN9, SN8

Press the [MIC Mute] button on the soundbar for more than 5 seconds.

→ S77S, S75Q, S65Q, SH7Q, SPD7, SP7, SN7, GX,G1, SN6, SN7, SN5, SN4, SL6, SL5, SL4, SJ5, SH5, [LAS855, 750, 550, 450], SH5, SH7 , SH8 , SJ5 , SJ7 , SJ8 , SJ9

Press the [ Vol - ] button on the sound bar and the [ Sound Effect ] button on the remote controller for more than 5 seconds.

→ SK5, SK4D, SK1D

Press the [Vol -] button on the sound bar and the [Auto Sound Field, ASC] button on the remote controller at the same time for more than 5 seconds.

→ SJ2, SJ3, SJ4

Press the [ Vol - ] button on the sound bar and the [ Bass Blast ] button on the remote controller at the same time for more than 5 seconds.

→ SQC1, SQC2, SQC4R, SH4, SH3, SH4D, SH2

Press the [Vol -] button on the soundbar and the [Standard sound field] button on the remote controller at the same time for more than 5 seconds.

→ LAS350B

Press the [ Vol - ] button on the sound bar and the [ Treble ] button on the remote controller at the same time for more than 5 seconds.

→ NB5540, NB4540, NB3540

Press the [ Vol - ] button on the soundbar and [ 0 ] on the remote control at the same time for more than 5 seconds.

→ NB4530A, NB2430A

Press the [Stop] button on the soundbar and [0] on the remote control at the same time for more than 5 seconds.

Note For customers seeking a guide on how to access their Owner's Manual here is some step-by-step process:

Look for the specific model number of your soundbar. Example: S80QR

Locate model/serial number - audio video devices

Once you found the model number, click this link to our Manuals and Software. Look for the Search Icon then type in your soundbar model number.
Once you see the product pop-up, click it.
Scroll down and you will see Owner's Manual section then download the PDF File.

This guide was created for all audio video Sound Bar models. Images or content presented herein may differ from your product.

Factory Reset [sound bar]