What does the red message light on my cable box mean? It's Model: DCT700US. The TV was on all night, and when I tried to turn it off the morning the controller wouldn't work.
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What are you trying to turn off and what are you trying to turn it off with?
The red light means you have a message from Comcast. Hit the Menu button and then select message to see what it is. DCT700 manual:
After spending about 40 minutes with a " Comcast Chat" tech, pulling all the plugs, giving numbers on all 3 boxes, and finally a "Signal", the lights left. After about 5 mins, all 3 boxes had the same red light again.
I just happened to have a few minutes and typed the question into my Xfinity search...WOW...Instantly found the remedy and got rid of the lights for good. Thanks!!!!!