same thing happens with me. Seems to do a 30 skip in the morning then changes back to 5 minutes skip during the afternoon. Happens most of the time on my set. Got tired of the 5 minute skip so I have just been using the fast button.
I had similar problem today and just had a defective box. I swapped two boxes and the problem followed the defective box. Called Rogers and a service person was at my home within a couple of hours to change out the defective box, everything up and...