Diagnosis
The 'searching forever' issue is almost always because the range's 2.4GHz Wi-Fi radio can't see or properly handshake with your network, often due to dual-band (2.4/5GHz) network settings or signal strength.
How to Fix It
Force your phone onto your 2.4GHz network band during setup.
- Go to your phone's Wi-Fi settings and temporarily disable 'Smart Switch' or 'Auto-join' for your 5GHz network.
- Ensure you are connected to your 2.4GHz network (name might have a '_2G' suffix or similar).
- Open the SmartThings app and run the 'Add Device' process again, staying close to the range.
If That Didn't Work
Perform a network reset on the range itself. Press and hold the Wi-Fi/Lock button on the control panel for about 10 seconds until the Wi-Fi icon disappears and reappears. This clears the old network data. Then try the setup process again from scratch.
Heads Up
The NX60A range does NOT support 5GHz networks. If your router broadcasts a single name for both bands (band steering), you may need to temporarily split them into two separate network names in your router settings to make the 2.4GHz one visible and connectable.