Troubleshooting: According to symptom analysis, this failure should be after the fall caused by the mechanical parts inside the lens dislocation or damage caused. Remove the battery, disassemble digital camera case, and then open the lens assembly, a closer examination reveals a gear lens dislocation. The dislocation gear where the mechanical parts removed, check the gear, the late discovery of the damage. Then the gears and other mechanical components re-installed, and then installed a digital camera, and then start the test, open the normal lens, camera properly.rBBservice manual download site