If you see an error that says
Timed out while contacting the target device (16001)
There may be a Netflix configuration issue preventing you from connecting successfully. Follow the troubleshooting steps for your device below to resolve the issue.
Hold the button on the Chromecast for 25 seconds, or until the indicator light begins flashing.
Once you have reset the device, reconnect it to your Netflix account.
Turn off your phone or tablet. Make sure it's turned off, not just locked.
Turn it back on.
Try Netflix again.
Turn off your device, then unplug your modem and router from power.
After 30 seconds, plug in your modem and router.
Wait 1 minute, then turn on your device.
Try Netflix again.