Does your console have the Wii error 002? If it is then you have only 2 things to do to fix it.
You can either:
Choice #1- Send your console back to Nintendo.
Choice #2- Fix the Wii error 002 using a repair manual.
Things To Try Before These Two
1.) Check to see if your cables are in the right slots
2.) Take out your console cables and them put them back in
3.) Restart you Wii console.
If tried these things didn't work then you have to choose one of the above choices to fix the wii error 002 on your console.
Sending Your Wii To Nintendo To Be Fixed
If you choose to send your Wii back to Nintendo to fix it you will have to pay $75, if the warranty has expired. This will also take around 4-6 weeks before your console is sent back to you. Sometimes your Wii will have to be replaced or your memory will be wiped off.
Fixing The Wii Error 002 With A Wii Repair Guide
Using a Wii repair guide can be a life and money saver because it is much cheaper and faster to fix your console with a good guide. There aren't that many good guides out there but the ones that are can save you over $50. It also only takes around 1-2 hours to have your Wii console running again without the console error. The guide will also come in handy if your console ever has an error or breaks down again.