I bought a Delonghi smart coffee maker two weeks ago but I can't get it to sync with my Google Home. It says the device is detected but I can't validate the connection. Do I need a specific app or is it a wifi network issue?
The Delonghi app is really essential before you even touch Google Home - without it your coffee maker stays just detected but not actually synced! Once everything works in there, Google Home should find the device without any problem when reconnecting.
You need to check if your Delonghi requires its own app installed first to work - a lot of models ask for that before they can connect to Google Home! Otherwise try restarting your wifi and the coffee maker, and make sure they're both on the same network (not 5GHz vs 2.4GHz) - that can make all the difference sometimes.
First you need to check that your Delonghi coffee maker has both Bluetooth AND WiFi enabled - sometimes those are two separate things. Launch the Delonghi app (there's a dedicated app, not just Google Home), connect your coffee maker in that first, then once that's working you go into Google Home and look for "link account" or something similar to authorize access. If it's still not working, try restarting your internet box and your coffee maker - sometimes it's just something silly that won't sync. And make sure your coffee maker and your phone are on the same WiFi network, not on different 2.4 GHz bands.
It's a classic issue with Delonghi machines. Most of the connected models really do require you to go through the Delonghi app first - not straight to Google Home. You have to create a Delonghi account first, add your coffee maker to it, and get it working normally in their ecosystem before you can link it to Google Home. If you skip that step, Google Home will detect the device fine but won't actually be able to sync with it.
Once that's sorted in the Delonghi app, you go into Google Home, add a new device, search for your Delonghi integration (it should offer "Delonghi" as a compatible service), and then you enter your Delonghi credentials. That's the authentication part that often causes problems if you didn't set it up through their app first.
One thing people often forget: make sure your coffee maker and your phone are on the same wifi network (2.4 GHz is better, some Delonghi devices bug out on 5 GHz). And restart your coffee maker completely, not just turn it off for a few seconds - unplug it for a few minutes, that usually does a soft reset. If it still doesn't work after that, it's worth contacting Delonghi directly, because some batches of coffee makers had firmware issues at one point.
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