Instructions
Turn on your PlayStation 3 console.
Watch the two LED indicators located on the lower right panel of the console while the operating system boots up. The light on the far right will change from flashing red to solid green when the console is functioning properly.
Use the PlayStation 3 as normal, making a note of any on-screen error codes that are displayed during operation. Use the PlayStation Support Error Codes website to search for the cause and remedy of any error code displayed while using the console.
Turn off the PlayStation 3 console, paying attention to the two LED indicators on the front panel. The indicator on the far right will change from flashing green to solid red when the console is functioning properly.