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SmartThings: Hub Shows Offline — Troubleshooting Steps

If your SmartThings hub shows as offline in the app, your smart devices will not respond to commands and automations will stop running. Follow these steps to get your hub back online.

Quick Checks

  1. Verify your home internet is working by checking another device (phone, laptop) on the same network.
  2. Check that the hub’s power adapter is securely plugged in at both ends.
  3. Confirm the Ethernet cable is firmly connected to both the hub and your router.
  4. Look at the LED on the hub. Solid green means online. Solid or blinking blue means the hub is connected to your router but cannot reach the SmartThings cloud.

 

Step-by-Step Fix

  1. Reboot your router and modem. Unplug both for 30 seconds, then plug them back in. Wait for your internet to fully restore.
  2. Reboot the hub. Unplug the hub’s power cable for 30–60 seconds, then plug it back in. Wait for the LED to turn solid green (this can take 2–3 minutes).
  3. Try a different Ethernet port. Swap to a different port on your router in case the original port is faulty.
  4. Try a different Ethernet cable. A damaged cable can cause intermittent disconnections.
  5. Check for firmware updates. Once the hub is back online, open the SmartThings app, go to the Hub settings, and check for pending updates.

 

If the Hub Still Will Not Come Online

  • Move the hub closer to your router to rule out signal issues, only if you are not hard-wired connected with an Ethernet cable. 
  • Confirm your router’s firewall is not blocking the hub (SmartThings requires outbound HTTPS on port 443)
  • If the LED is solid red, this may indicate a hardware failure

 

Still stuck? Contact Digital Lifestyles support at support@digilife.ca or use the support form on our website. Include a photo of the hub’s LED and describe the steps you’ve already tried.