Kasa Not Responding to Google Home? Here's the Fix.
The ability to control your TP-Link Kasa smart plugs, bulbs, and switches with Google Assistant voice commands is a cornerstone of a modern smart home. When it suddenly stops working, it can disrupt your daily routines. If Google Home is telling you it "couldn't reach TP-Link Kasa" or your devices are showing as "Offline," don't worry. This is a common issue that is usually very easy to fix.
Common Symptoms of a Broken Link
First, let's verify the problem. You're likely experiencing one of the following:
- "Sorry, I couldn't reach TP-Link Kasa": Google Assistant gives you this specific error message when you try a voice command.
- Devices are "Offline": In the Google Home app, your Kasa devices are greyed out and marked as "Offline," even though they work perfectly in the Kasa app itself.
- Commands Don't Work: You give a command like "Hey Google, turn on the living room lamp," and nothing happens.
- New Devices Won't Appear: You've added a new Kasa plug in the Kasa app, but it never shows up in your Google Home app.
The root cause of these symptoms is almost always a problem with the account synchronisation or authentication link between Google and TP-Link Kasa.
The Primary Solution: Re-Link Your Accounts
This single procedure solves the problem over 90% of the time. It forces a fresh, secure connection between the two services and resynchronises your device list.
Step 1: Unlink the TP-Link Kasa Service
- Open the Google Home app on your smartphone.
- Tap on Settings (the gear icon on the main screen).
- Scroll down and tap on Works with Google.
- You will see a list of your linked services. Find TP-Link Kasa in this list and tap on it.
- Tap Unlink account and confirm. This will remove all your Kasa devices from the Google Home app.
Step 2: Re-Link the TP-Link Kasa Service
- After unlinking, you will be back on the "Works with Google" screen.
- Tap the search icon at the top and search for Kasa.
- Select TP-Link Kasa from the search results.
- You will be taken to a TP-Link Kasa login page. Sign in using your Kasa account email and password (the same one you use for the Kasa app).
- Authorise Google to access your Kasa devices.
- Once linked, Google will import your devices. You may be prompted to assign them to rooms again.
After this process, try a voice command. It should now work perfectly.
Other Troubleshooting Steps
If re-linking doesn't solve the issue, or if you have a more specific problem, try these steps.
For New Devices Not Appearing: "Sync My Devices"
If you've added a new device in the Kasa app and it's not showing up in Google Home, you can force a manual synchronisation.
- Simply say the voice command: "Hey Google, sync my devices" or "Hey Google, sync Kasa."
- Google Assistant will confirm it is syncing with your linked services, and your new device should appear.
Check for Naming Conflicts
- Ensure your Kasa devices have simple, easy-to-pronounce names. Avoid complex names or using special characters.
- Make sure you don't have two devices with very similar names, which can confuse Google Assistant. For example, having "Table Lamp" and "Table Light" could be problematic. Rename one to something more distinct, like "Desk Lamp."
Update Your Apps
- Make sure both the Google Home app and the Kasa Smart app are updated to the latest versions from the App Store or Google Play. An outdated app can sometimes cause authentication issues.
By following these simple steps, you can quickly restore the connection between Kasa and Google Home and get back to controlling your smart home with ease.