DS15 replace MLB(Main Llogic Board),report disk fan failed 。
DS15 is a new product update DS10.It has tow types disk cage.The old type is same as the DS10，the new type has a fan on the rear of the disk cage。When replace the MLB，please check the Jumper J22 pin 3－4，if no disk fan，please jump it，the system will not check the fan & not report disk fan failed。
