I'd recommend having an authorized service center fix it, but if you want to try to get parts for the unit, you can either call 800-SAMSUNG and get to the parts department that way, or you can go to www.samsungparts.com and order them.
Hope that helps!
The cord stopped the fan from running, something burned out. Still runs good, but shuts off after a few minutes. Do you know what part I should order?