Help Library: Help Library: [LG Dishwasher] Using the Water Softening System / Removing White Residues

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<div class="content-service-view">
    <p class="info-subject">Are there white residues on the dishes from the dishwasher?</p>    <p class="info-desc">Tap water contains some amounts of mineral substances such as calcium and magnesium.<br/>
        After the dishwasher’s interior dries, the mineral substances are visible as white residues on dishes and the
        tub.<br/>
        LG dishwashers are equipped with a water softening system designed to reduce the mineral content in the water.
    </p>    
<div class="tip-box">
        <strong class="tip-tit">What is the water softening system?</strong>
        
<div class="con-view">
            It is a filtration mechanism that removes mineral substances such as calcium and magnesium dissolved in
            water through an ion exchange process.<br/>
            By using softer water (i.e. water with reduced mineral content), the occurrence of white stains on dishes is
            minimized.<br/>
            Additionally, the cleaning performance increases as the detergent dissolves more effectively.
        </div>
    </div>
    
<h2 class="tit">Causes and Symptoms</h2>
    
<ul class="cause-list">
        
<li>The water softening setting on the dishwasher may be set too low.</li>
        
<li>The water softening system may not be functioning effectively as salt has not been refilled.</li>
    </ul>
    
<h2 class="tit">Try this</h2>
    
<h3 class="sub-tit">Have you measured the hardness level of your tap water?</h3>
    <p class="info-desc">➔ Use the test strip provided with the user manual to assess the hardness of your water. </p>    
<div class="tip-box">
        <strong class="tip-tit">Measuring water hardness</strong>
        
<div class="con-view txt-idt">
            1. Take out the test strip from the user manual.
        </div>
        
<div class="con-view txt-idt">
            2. Dip the test strip into a sample of still water for a second, then remove it and gently shake off excess
            water.
        </div>
        
<div class="con-view txt-idt">
            3. After one minute, compare the color change on the strip to the provided reference strip.<br/>
            Match the color to determine the corresponding hardness level.
        </div>
        
<div class="img-only">
            <img src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=pEtZTLcmUbbY3ypbwovA&amp;portalId=P1" alt="Dipping the test strip in sample water and assessing the total hardness. "/>
        </div>
    </div>
    
<h3 class="sub-tit">Is the water softening level set appropriately?</h3>
    <p class="info-desc">➔ When using the dishwasher for the first time, the default softening level is set to H0.<br/>
        Adjust the setting so that it is appropriate for the hardness level of your tap water.
    </p>    
<div class="tip-box">
        <strong class="tip-tit">How to adjust the water softening level</strong>
        
<div class="con-view txt-idt">
            1. Power off the dishwasher. While it is off, simultaneously press the [Power] button and the [Half Load]
            button on the control panel.
        </div>
        
<div class="con-view txt-idt">
            2. Press the [Delay Start] button repeatedly to set the desired softening level.
        </div>
        
<div class="con-view txt-idt">
            3. Press the [Start] button to save the setting. The power will turn off after saving.
        </div>
        
<div class="img-only">
            <img src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=fCP9miCPHpIeJMlR2hQEQ&amp;portalId=P1" alt="Press the power button and the partial wash button at the same time and set the hardness level with the reservation button."/>
        </div>
        
<div class="con-view">
            ※ Note: The hardness level may increase during months of low rainfall.<br/>
            Set the softening level higher during these months.
        </div>
    </div>
    
<h3 class="sub-tit">Is the Salt Refill icon on the display blinking?</h3>
    <p class="info-desc">➔ This indicates that the salt used in the water softening system has been depleted.<br/>
        Add high-purity salt (99%) to the salt container.
    </p>    
<div class="img-only">
        <img src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=tmmZmbcVmPjxErSenCG09w&amp;portalId=P1" alt="What the salt supplement notification looks like"/>
    </div>
    
<div class="tip-box">
        <strong class="tip-tit">How to refill the dishwasher salt</strong>
        
<div class="con-view">
            1. Remove the lower rack.
        </div>
        
<div class="con-view txt-idt">
            2. Unscrew the cap of the salt container located next to the filters by turning it anticlockwise.
        </div>
        
<div class="con-view txt-idt">
            3. Use a funnel to pour salt into the salt container.<br/>
            If this is your first time using the water softening system, add 1kg of salt and 1L of water.<br/>
            Refill with 1kg of salt when the Salt Refill icon turns on.<br/> Stir the mixture using a long stick for
            faster dissolution.
        </div>
        
<div class="con-view txt-idt">4. Put the cap back on and turn it clockwise to close.<br/> If the cap is not closed
            tightly, salt water may leak and cause corrosion in the tub. </div>
        
<div class="con-view txt-idt">5. Run the [Express] cycle without any dishes in the dishwasher.<br/> Select the cycle and
            press the [Start] button.<br/>
            This action helps to remove any salt left in the interior.
        </div>
        
<div class="con-view">※ After refilling the salt, it may take up to 24hours for the Salt Refill icon to turn
            off, depending on the type of salt and its rate of dissolution.</div>
        
<div class="img-only">
            <img src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=wjwciUOTtki60ND0XoLIkg&amp;portalId=P1" alt="Opening the salt container, adding water and salt and putting the cap back on."/>
        </div>
    </div>
    
<div class="tip-box">
        <strong class="tip-tit">Note</strong>
        
<div class="con-view">
            Only use high purity salt (99%) for the softener unit.<br/>
            Using table salt may result in decreased water softening effect and noticeably more white stains.
        </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 Dishwasher] Using the Water Softening System / Removing White Residues

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