I watch my 4th gen Tablo through a Roku Ultra direct connected through a Ethernet switch. If I switch to a different input on my TV for a while, when I switch back to the Roku, it either circles on the Tablo app or errors when I select a local channel saying that it cannot retrieve program information. I have to switch back and forth to several channels or restart the app for it to work again. I have verified that the Tablo, Roku, and app are all current and updated. I bought the Roku because of the problems watching the Tablo using the native Samsung Tablo app but it does not seem to be a whole lot better.
Are you leaving the Tablo app open when switching to another input?
Yes typically it gets left open because I am casting to my legacy chromecast device and it takes over and switches ports as soon as it starts up
You need to back out of the Tablo app to the Roku home screen before you switch to another input.
If you don’t, when you switch to another input, the Tablo app will be suspended with no input. Then when you come back in two hours or a day, it will think it is still when you switched inputs and look for programming where you left off.
If you back out to the Roku home screen, it allows the Tablo app to clear stale data and be ready to look for things at the proper time.
When I say back out, I don’t mean just hitting the Roku home button. You need to use the back button until it asks you if you want to exit Tablo, then hit yes.
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OK I assume the same thing will happen if I select another service on Roku and not switch inputs? Do you always have to exit Tablo?
Yes for best results always EXIT Tablo rather than switch services on Roku. That goes the same for wanting to switch from any app or streaming service Roku to go to another. Depending on Roku model you have there is a finite amount of memory to store app data.
I’ve also noticed this when switching local channels on the Tablo. When I go back to the guide it is either blank or when I select a new channel it tells me the channel information is not available. Exiting Tablo may or may not make the channel information available. This is not connected to the Roku over Wi-Fi they are hardwired Ethernet through a gigabit switch. I purposely went with the Roku Ultra due to the fact that it has a Ethernet port to keep this communication error from happening.
Have you done a recent channel scan/save?
I do that every couple of months and that and exiting Tablo when I switch to the subscription service seems to make it work better