Help Library: Help Library: [LG Air Conditioner Power] I pressed the power button, but it is not turned on

[LG Air Conditioner Power] I pressed the power button, but it is not turned on

Repair Split Air Conditioners 16/06/2025

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<h2 class="tit">Causes and Symptoms</h2>
        
<ul class="cause-list">
            
<li>No power supply to the air conditioner.</li>
            
<li>The product display shows an error code.</li>
        </ul>
        <p class="info-desc">
            If you are unable to turn on the power using the button on the main body, then it might be an issue with the
            power supply.<br>
            If the power supply is properly connected, then the air conditioner will generate the power connection
            signal sound like ‘ringing’ or ‘beeping’.
        </p>        
<h2 class="tit">Try this</h2>
        
<h3 class="sub-tit">Unplug the power cord of air conditioner and plug in other electronics such as s drier.</h3>
        <p>If other products operate ok, then inspect the air conditioner.</p>        
<h3 class="sub-tit">If your product is a model with the hidden power cord, check the dedicated circuit breaker
            for the air conditioner.</h3>
        <p>
            The dedicated circuit breaker for an air conditioner is near the shoe shelf on the front door of your house,
            and the circuit breaker is marked with Air Conditioner, or A/C.<br>
            Trip the circuit breaker, and then reset it.
        </p>        
<div class="img-only">
            <img alt="air conditioner breaker " src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=hON0iqddcEhS82s8Pk2yg&amp;portalId=P1">
        </div>
        
<h3 class="sub-tit">If you are using the product with a power strip, then insert it directly into the wall
            outlet to check it.</h3>
        <p>
            You are not recommended to use a power strip since it is a model that uses high power consumption.<br>
            If you must use a power strip, then make sure it is at least 16A-250V.
        </p>        
<h3 class="sub-tit">Press the forced operation switch for the wall mounted type product.</h3>
        
<div class="tip-box">
            <strong class="tip-tit">How to turn on the wall mounted air conditioner without a remote controller</strong>
            
<div class="con-view txt-idt">
                1. Check the forced operation switch.
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<div class="con-view txt-idt">
                2. Press the forced operation switch to start ‘Forced Operation’.<br>
                If you long press it, it will operate in test operation mode lasting for about 18 minutes until the
                product is stopped.
            </div>
        </div>
        
<h3 class="sub-tit">Check if the error code or the LED lamp is blinking regularly on the product display.</h3>
        <p>If an error code or inspection code is displayed, check it correctly and proceed with self remedies or
            product inspection services.</p>        
<div class="tip-box">
            <strong class="tip-tit">How to check error codes for the combined (master bedroom) wall mounted
                type</strong>
            
<div class="con-view">
                The first LED indicates error at 1’s digit.<br>
                The second LED indicates error at 10’s digit.<br>
                Eg) The first LED blinking five times at regular interval stands for error CH5.
            </div>
        </div>
        <p class="help-txt">This guide was created for all models, so the images or content may be different from your
            product.</p>    </div>

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[LG Air Conditioner Power] I pressed the power button, but it is not turned on

Causes and Symptoms

Try this

Unplug the power cord of air conditioner and plug in other electronics such as s drier.

If your product is a model with the hidden power cord, check the dedicated circuit breaker for the air conditioner.

If you are using the product with a power strip, then insert it directly into the wall outlet to check it.

Press the forced operation switch for the wall mounted type product.

Check if the error code or the LED lamp is blinking regularly on the product display.

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