Incredible Xbox 360 Red Ring 3 Lights Fix References. Letting the power supply cool often corrects this problem. When you turn on the console, the power supply light should illuminate green even if the three lights on the rol flash red. from here.

Reflowing the motherboard after completing step 48 of this guide (before you install the rrod fix kit) both provides a higher chance of success in fixing red. This indicates that one or more components have failed, and that the system is no longer operable unless you turn off your console for 24 hours. The most conspicuous sign is the four (not three) rings.