Hello Deep84,
Have you tested this fan in different fan headers or different system just to make sure it is not the fan?
If the issue is not caused by the fan then you may want to reset or update the BIOS.
BIOS update instructions
http://www.intel.com/support/motherboards/desktop/sb/cs-022312.htm
Otherwise, you may contact your local Intel® support team.
http://www.intel.com/p/en_US/support/contactsupport