I have some old ReplayTV’s in use in my home setup, and sometimes they act up on me. The usual thing is they no longer are able to tune into the cable signal (“no video signal” errors).
Here are the steps I need to take to fix them:
1) Press the power button to turn the unit off.
2) Disconnect the RF coax cable from the back of the unit.
3) Unplug the unit’s power cord from the wall.
4) Reconnect the RF coax cable to the back of the unit.
5) Wait at least one minute.
6) Plug the unit’s power cord back in and allow it to boot up.
7) Enjoy flawless ReplayTV operation.