That is a hard drive failure code. You will need to replace your hard drive. You can contact support for repair options.
HP technical support: 800-474-6836. If you live outside the US/Canada Region please click the link HERE to get the support number for your region.
If you are out of warranty, and want to do it yourself, refer to page 39 for hard drive removal instructions
HP Pavilion TouchSmart Sleekbook 15 and HP Pavilion 15 Sleekbook Maintenance and Service Guide