Help library: Help library: If Your LG CordZero R9 Makes a Loud Noise During Cleaning

If Your LG CordZero R9 Makes a Loud Noise During Cleaning

Troubleshooting Vacuum Cleaners 09/09/2026

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<div class="content-service-view" itemtype="HowTo">
  <p class="description info-desc">Your robot vacuum may become louder when you use a high-suction cleaning mode or when the vacuum needs cleaning.</p>  
<h2 class="tit mainName">Why Is Your Robot Vacuum Making a Loud Noise?</h2>
  
<div class="cause-items">
    
<ul class="cause-list">
      
<li>You are using Smart Turbo or Turbo mode.</li>
      
<li>Debris is clogging the dustbin or blocking the vacuum.</li>
      
<li>The vacuum is cleaning against the flooring grain.</li>
    </ul>
  </div>
  
<h2 class="tit">How to Reduce the Noise </h2>
  
<div class="HowToStep">
    
<h3 class="name">Step 1. Change the Cleaning Mode </h3>
    <p class="text">
      Turn off Smart Turbo or Turbo mode using the remote control or the LG ThinQ app. 
    </p>  </div>
  
<div class="HowToStep">
    
<h3 class="name">Step 2. Empty the Dustbin and Clean the Rotating Brush </h3>
      
<ul class="cause-list text">
        
<li>Turn the dust separator clockwise to remove it from the dustbin, and then clean it.</li>
        
<li>Press the rotating brush cover button to remove the cover. Press the release lever, lift out the rotating brush, and remove any tangled hair and debris.</li>
      </ul>
  </div>
  
<div class="HowToStep">
    
<h3 class="name">Step 3. Turn the Charging Station 90 Degrees </h3>
    <p class="text">
      If the vacuum makes a loud friction noise on laminate flooring, turn the charging station 90 degrees so it cleans in the direction of the flooring grain.
    </p>  </div>
  
<div class="HowToStep">
    
<h3 class="name">Step 4. Still need help?</h3>
    <p class="text">
      If the issue persists after following the steps above, you can get further support through LG Chatbot on our website or by requesting a technician visit.
    </p>  </div>
  
<h2 class="tit">FAQ</h2>
  
<div class="qna-list">
    <dl>
      <dt>
<span aria-label="Question" role="img">Q.</span> Is my robot vacuum malfunctioning if the motor sound suddenly changes?</dt>
      <dd>
<span aria-label="Reply" role="img">A.</span> No. When you use Smart Turbo, your robot vacuum detects areas with more dust or rough surfaces, such as carpet, and automatically adjusts the suction power. This change in motor noise is normal.</dd>
    </dl>
    <dl>
      <dt>
<span aria-label="Question" role="img">Q.</span> Can I wash the dust separator with water? </dt>
      <dd>
<span aria-label="Reply" role="img">A.</span> Yes. You can wash the dust separator with water. • Let it dry completely in the shade for at least 24 hours before you reinstall it.</dd>
    </dl>
  </div>
  <p class="help-txt"> This guide is based on standard models. The settings menu may vary by model.</p></div>

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If Your LG CordZero R9 Makes a Loud Noise During Cleaning

Why Is Your Robot Vacuum Making a Loud Noise?

How to Reduce the Noise

Step 1. Change the Cleaning Mode

Step 2. Empty the Dustbin and Clean the Rotating Brush

Step 3. Turn the Charging Station 90 Degrees

Step 4. Still need help?

FAQ

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