Hi @atweimer
Welcome to community!
Let's try some troubleshooting steps to see if they help. Give these a try and let me know how it goes.
First, let's reboot your Roku using the following steps:
Press the Home button on your Roku remote.
Scroll to select Settings.
Next select System and then Power.
If you don't see Power, skip to the next step.
Finally, select System Restart.
If you still have trouble, remove the Pandora channel from My Channels, and try re-adding it from the Channel Store. (You can find the Remove channel option by pressing the * key on your remote while the Pandora channel is highlighted on the home screen.)
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