You must read: IP Adress: 192.168.001.1?? ,the number is different accordind with what port you use. Subnet Mask: 255.255.255.000 Gateway: 192.168.001.001 PVR Server IP Adress: 255.255.255.255
Check if you have these info.
You can unhook the power cord of your Rooter wait it reboot then power off and on with switch on back of the receiver and check if it work.
^^ if those settings are already correct, it may be the channel that your on. Remember, not all channels are available. The ones that are not available give you a no service error message. So try changing the channels.
Also make sure you have the latest bin (i think its dated july 14). Once your in ur good