If you closed it after 7 days presumably it was a mutual cancellation request and not an unpaid item dispute which cannot be closed until the end of 8 days if the buyer doesn't pay. If it was a mutual cancellation request are you sure you closed it saying you both agreed to the cancellation. If it was an unpaid item dispute and you closed it on day 7 then you would only be able to choose the option that the buyer had paid in which case you would not get your FVF refunded.