The Samsung SU12F70 SERIES Vacuum Cleaner has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your Samsung might be giving you.
The vacuum cleaner does not start when turned on.
The thermal protector has activated, preventing the suction motor from starting.
The brush motor fails to start.
The vacuum has low suction power or fails to pick up debris.
Dust is escaping from the vacuum cleaner.
The cleaner tools are not picking up debris.