The red light error is the most common error of xbox 360, and is quiet disturbing sometimes. The following steps will give you a guide on how you can fix these errors without going to any professional, but professional help is recommended if these steps don't fix the error.
Red Light on Section 1 & 3
The console locking up or freezing after an amount of time set, can sometimes also be caused by alternatively overheating of the console. Overheating is also blamed for the lockups that occur at a specific point in a game, which is generally the problem of the games itself and not caused by the overheating. But you can try the following in such homes.
Xbox 360 Red Light Error on Section 1 & 3
