If when downloading you had an error and redeem code no longer works states that PS has accepted your code as a customer you should be able to now redownload it for free seeing it was already purchased just go to the market and attempt to download the item without code if this does not work I would call PS ASAP so you can get refunded.
Answers & Comments
If when downloading you had an error and redeem code no longer works states that PS has accepted your code as a customer you should be able to now redownload it for free seeing it was already purchased just go to the market and attempt to download the item without code if this does not work I would call PS ASAP so you can get refunded.