Wii:Error Codes

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Here is a documentation of known errors you can encounter on your Wii.

Error 001, unauthorized device has been detected.

This error appears after attempting to play a backup that was burned incorrectly, reburn the disc, or try to load the ISO with something like USB Loader GX. Playing games without cIOS may also cause this issue.

Error 002, an error has occurred...

This is a disc related error, but if this error appears constantly, start Priiloader and enable the "Force disc games to use IOS 249" option if you have cIOS installed. If you don't and are running legit games, then try cleaning the disc or performing maintenance on the DVD drive.

Error 003, an unauthorized device has been detected

This error appears when system menu =>4.2 is installed on a Region Changed Korean Wii. Version 4.2's{E,U,J} System Menu IOS checks for the existence of the Korean Key and if the Korean Key is not removed via homebrew prior to updating, then Error 003 will appear and the system will not be able to boot. This error is fixable if Priiloader or Bootmii as boot2 was installed prior to the error appearing, you can load either one and then load into the homebrew channel and use KoreanKii to remove the korean key. In theory, BlueBomb can be used to fix this, but it's unknown whether that works yet. If all else fails, you can try an autoboot disc with the Wii's Recovery Menu provided you have a drivechip installed. If you have a Bootmii backup or the NAND keys, you can use a flash programmer as a true last resort.

Error 004 ... The system files are corrupted

This appears when you have BannerBomb installed on a system menu 4.3, remove it from your SD card using a PC.

"The system files are corrupted" (Banner Brick)

So you either installed a WAD file with a corrupted banner or you did something to brick the system menu. Luckily, you should still be able to boot into Priiloader or Bootmii as Boot2 in which you can load into the Homebrew Channel and undo whatever you did or installed. Even if that doesn't work, you should be able to use an autoboot disc to load homebrew to fix this. If all else fails, try NAND flashing or replacing the NAND if you really have to.

"The system files are corrupted" or the Wii crashes on boot but maintenance mode works

If you experience an issue with the Wii booting into the system menu but holding + and - on boot allows for it to work, then this is a mail brick. It's caused when a corrupted mail message is on the Wii. If you have the homebrew channel installed, use a mail deletion app to delete the corrupted mail message. If HBC is not installed, try using str2hax or BlueBomb to install the HBC.

Opera Error in the system settings (Semi-Brick)

This is caused by a mismatch between the installed system menu version and the actual region settings on the Wii. You can fix this easily if you have the homebrew channel installed, just load Wii Mod Lite and use the region changer to change the region to your system menu version. If you do not have HBC, you can use BlueBomb to fix this error, which in turn will just install the homebrew channel.

Opera Error on boot instead of the warning screen (Opera Full Brick)

This error appears when the SYSCONF file is damaged and the incorrect region system menu is installed. Luckily, this error is just as fixable as the Semi Brick as you can just boot into Priiloader or Bootmii and just repair the system menu with homebrew. You can also use an autoboot disc or BlueBomb if you don't have any brick protection installed.

Absolutely nothing is shown on boot. No signal, cables and TV have been ruled out

If Bootmii is installed as Boot2 and boots into Bootmii, then luckily this was an IOS brick, you should restore a NAND backup that was made before the brick appeared. This is the only way to fix an IOS brick unfortunately, as the System Menu IOS is corrupt and Boot2 is unable to load it, therefore Priiloader and the recovery menu are not able to be used here. If Bootmii as Boot2 was not installed or was unable to, then NAND programming is the last option here.

If BootMii as Boot2 does not work at all, then you should try replacing the WiFi Module as this can cause this brick. If all else fails, then the Wii is suffering from a Low-Level brick, which results from the Wii's bootloader being corrupt. Since there is no mechanism in the bootloader to load recovery software, NAND programming must be used to fix this. There is no way to fix a Low-Level brick through software. It is also possible a generic hardware failure has caused this.