SECONDARY ERROR CODES
The specific type of hardware failure can be determined by a “hidden” error code
- Turn the Xbox 360 on, and wait till the 3 red lights are flashing.
- Press and hold the sync up button (the small white one), while holding that button press the eject button.
- The LED’s will now blink the first number in the code (as described below).
- Release the eject button and press it again.
- The LED’s will now blink the second number of the code.
- Release the eject button and press it again.
- The LED’s will now blink the third number of the code.
- Release the eject button and press it again.
- The LED’s will now blink the forth number of the code.
- Release the eject button and press it again.
- The LED’s will go back to the 3 red flashing lights.
You should be able to determine the difference between the 3 flashing lights and the error code lights by the rate in which they flash.
Here is how you interpret the LED’s to get the code number:
- All four lights flashing – 0
- One light flashing – 1
- Two Lights flashing – 2
- Three lights flashing – 3
For example, 0102 would be
4 flashing red lights, 1 flashing red light, 4 flashing red lights, 2 flashing red lights
All credits for this go to twistedsymphony over at Xbox-scene.com