How to fix multiple Lutron Caseta devices not responding in the Apple Home app

<h2 style='margin-top: 3px;'>This article addresses some of the common reasons why all Lutron dimmers or switches are displaying “no response” in the Apple Home app and provides potential workarounds to resolve them. </h2>

<h2 style='margin-top: 3px;'>This article is expected to take 15 minutes to complete.</h2><div style='margin-left: 8px;margin-top: 3px;'>
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<h3 style='margin-top: 3px;'>Knowledge Article Contents:</h3>

<h4 style='margin-top: 3px;'>Before You Begin</h4>

<ol><li style='margin-left: 32px;margin-top: 3px;'><a href='#Anchor1'>The Lutron devices respond while on my home Wi-Fi but not while away</a></li><li style='margin-left: 32px;margin-top: 3px;'><a href='#Anchor3'>The Lutron devices do not respond in the Apple Home app while on the same Wi-Fi network as my hub or while connected to a different network</a></li><li style='margin-left: 32px;margin-top: 3px;'><a href='#Anchor2'>The Lutron devices respond in my Apple Home app but not for someone I invited to join my Apple Home</a></li><li style='margin-left: 32px;margin-top: 3px;'><a href='#Anchor4'>The integration between the Lutron Smart Hub and Apple HomeKit is broken</a></li></ol>

<h4 style='margin-top: 3px;'>Related Articles</h4>

<h3 style='margin-top: 3px;'>Before You Begin</h3>

<ol><li style='margin-bottom: 11px;margin-left: 8px;'>
Make sure your devices can be controlled by the Lutron app. If you cannot connect to your system in the Lutron app review the steps in <a href='https://support.lutron.com/us/en/product/casetawireless/article/bridge-…; target='_blank'>"Reestablish connection to your Caséta/RA2 Select System"</a> to get your Smart Hub back online.
</li><li style='margin-bottom: 11px;margin-left: 8px;'>Integrate your Smart Hub, Main Repeater, or Processor with Apple HomeKit by following the steps in the <a href='https://support.lutron.com/us/en/product/casetawireless/article/connect…; target='_blank'>"How to setup Apple HomeKit (Siri) with Caséta/RA2 Select"</a> article. </li><li style='margin-left: 8px;'>If only one Lutron device is not responding to Siri or the Apple Home app, you may be experiencing a different issue. Review the steps in the <a href='https://support.lutron.com/us/en/product/casetawireless/article/trouble…; target='_blank'>“How to fix one Lutron device not responding in the Apple Home app</a>” article to resolve this issue.</li></ol>

<div style='margin-left: 8px;margin-top: 3px;'><a id='Anchor1' name='Anchor1'>1. The Lutron devices respond while on my home Wi-Fi but not while away</a> </div>
If you can control your Lutron devices with the Lutron app while connected to any network (Home Wi-Fi, Work Wi-Fi, cellular data, etc.), but can only control your Lutron devices through the Apple Home app while connected to the same Wi-Fi network as your Lutron Smart Hub, Main Repeater, or Processor than your HomeKit setup may not include an Apple Home hub. If you do not have an Apple Home hub connected to your network, you will only be able to control your Lutron devices through the Apple Home app while connected to the same Wi-Fi network as your Lutron hub, main repeater, or processor. If you were previously using an iPad as an Apple Home hub or need to change which device acts as your Home hub review the Apple Support article linked in section 3 of this article. 
<div style='margin-left: 8px;margin-top: 3px;'><a id='Anchor3' name='Anchor3'>2. The Lutron devices do not respond in the Apple Home app while on the same Wi-Fi network as my hub or while connected to a different network</a></div>
 If your Lutron devices are non-responsive in HomeKit whether you are connected to the same network or different networks as your Smart Hub, Main Repeater, or Processor, check to see if any recent changes were made to your network.

<ul><li style='margin-left: 56px;'>Has a network switch been added, or a router replaced?</li><li style='margin-left: 56px;margin-bottom: 11px;'>Did you recently change internet service providers? </li></ul>
If a network switch has been recently added temporarily bypass the network switch and connect the Lutron Smart Hub directly to a LAN port on your router or gateway to test the integration connection. Also, check that your Lutron Smart Hub and Apple Home hub are connected to the same network. If the two hubs are on different networks they may not be able to communicate with each other. If bypassing the network switch does not resolve the issue, or if you have recently changed routers or ISP-provided gateways, perform a network power cycle by following the steps below:

<ol><li style='margin-left: 56px;'>Do not unplug any ethernet cables before or during this process.</li><li style='margin-left: 56px;'>Unplug your modem from power.</li><li style='margin-left: 56px;'>Unplug your router and any wireless access points from power.</li><li style='margin-left: 56px;'>Wait at least 1 minute.</li><li style='margin-left: 56px;'>Plug in your modem to power and wait until the modem power cycle is complete (this may take a few minutes to complete).</li><li style='margin-left: 56px;'>Plug in your router and any wireless access points to power and wait until the power cycle is complete (this may take a few minutes to complete).</li></ol>

<div><a id='Anchor2' name='Anchor2'>3. The Lutron devices respond in my Apple Home app but not for someone I invited to join my Apple Home</a> </div>

<div>If you can control your Lutron devices with the Apple Home app but another user that you have shared your Apple Home with cannot, then a Home hub needs to be added to the same network as the Lutron Smart Hub. For more information on Apple Home hubs, please visit this Apple Support page: <a href='https://support.apple.com/en-us/HT207057' style='color: #0563c1;text-decoration: underline;' target='_blank'>https://support.apple.com/en-us/HT207057</a></span… style='font-size: 11pt;'>Lutron PRO Tip: If you have multiple Wi-Fi emitting devices in your home (like an ISP provided gateway and a personal router), the Apple Home hub and the Lutron Smart Hub must be connected to the same network. </div>

<div style='margin-left: 8px;margin-top: 3px;'><a id='Anchor4' name='Anchor4'>4. The integration between the Lutron Smart Hub and Apple HomeKit is broken</a> </div>
If you have followed all the steps in this guide and your Lutron devices are still unresponsive in the Apple Home app follow the steps below to reset the HomeKit integration with your Lutron Smart Hub, Main Repeater, or Processor. Resetting the HomeKit integration will remove all your Lutron devices from the Apple Home app and any programmed automations. This will not delete your Devices, Scenes, or Schedules from the Lutron app. It is important these steps are followed in the order they are presented to ensure the Lutron hub no longer integrates with HomeKit. Step 1 From the Apple Home app <img alt='image.png' src='https://lutron.my.salesforce-sites.com/publicknowledge/servlet/rtaImage…; style='width: 33px;height: 32px;'></img> tap on the More icon <img alt='image.png' src='https://lutron.my.salesforce-sites.com/publicknowledge/servlet/rtaImage…; style='width: 33px;height: 32px;'></img> in the top right-hand corner of the screen and select Home Settings <img alt='image.png' src='https://lutron.my.salesforce-sites.com/publicknowledge/servlet/rtaImage…; style='width: 33px;height: 32px;'></img> from the drop-down menu. 
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<div style='text-align: center;'>Image 4.1: Drop-down menu of the Apple Home app</div>
 Step 2 From the Home Settings menu scroll down and select Home Hubs & Bridges. Step 3 Under the heading Bridges locate the Lutron Smart Hub. This could be named something like “Default Room Caséta Smart Hub”. 
<div style='text-align: center;'><img alt='image.png' src='https://lutron.my.salesforce-sites.com/publicknowledge/servlet/rtaImage…;

<div style='text-align: center;'>Image 4.2: Home Hubs & Bridges screen in the Apple Home app</div>
 Step 4 Tap on the Lutron Smart Hub and at the bottom of the screen select Remove. If prompted, confirm the removal of the hub. 
<div style='text-align: center;'><img alt='image.png' src='https://lutron.my.salesforce-sites.com/publicknowledge/servlet/rtaImage…;

<div style='text-align: center;'>Image 4.3: Removing a Smart Hub from a home in the Apple Home app</div>
 Step 5 Once the Lutron hub has been removed from the Apple Home app, press and hold the small black button on the back of the Lutron hub for 40 seconds and release. 
<div style='text-align: center;'><img alt='image.png' src='https://lutron.my.salesforce-sites.com/publicknowledge/servlet/rtaImage…;

<div style='text-align: center;'>Image 4.4: Rear view of a Caséta Smart Hub with the reset button outlined </div>

<ul><li style='margin-left: 80px;'>At the 20 second mark the LED light strip in the center of the hub will start flashing. Do not release the button.</li><li style='margin-left: 80px;margin-bottom: 11px;'>The LED light strip will flash again at the 40 second mark. Once the light strip starts to flash again, immediately release the button on the back of the hub. Do not wait for the LED to stop flashing as this process is time sensitive.</li></ul>
Step 6 Now that the HomeKit reset process is complete, integrate the Lutron hub with HomeKit in the Lutron app. For more information on how to link your Lutron hub with HomeKit follow the steps in the <a href='https://support.lutron.com/us/en/product/casetawireless/article/connect…; target='_blank'>"How to setup Apple HomeKit (Siri) with Caséta/RA2 Select"</a> article. If you are still unable to resolve the "no response" issue in the Apple Home app, contact Lutron Technical Support using the information at the bottom of this article. 
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<h4 style='margin-top: 3px;'>Related Articles</h4>
Is only one Lutron device not responding to Siri or the Apple Home app? Review the steps in the <a href='https://support.lutron.com/us/en/product/casetawireless/article/trouble…; target='_blank'>“How to fix one Lutron Caseta device not responding in the Apple Home app”</a> article to resolve this issue.

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This article addresses some of the common reasons why all Lutron devices are displaying “no response” in the Apple Home app and provides potential workarounds to resolve them.

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How to fix multiple Lutron Caseta devices not responding in the Apple Home app

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This article addresses some of the common reasons why all Lutron devices are displaying “no response” in the Apple Home app and provides potential workarounds to resolve them.

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