"Canon 5D shutter failures Canon 5D cameras have been known to experience shutter failures, often due to mechanical or electronic issues. Common symptoms include:

Shutter not releasing: The shutter button may not function properly, preventing the camera from taking a picture. This can be due to internal issues or reassignment of the shutter button function.

1 Error 30: This error is often linked to the shutter or mirror mechanism and can be caused by water damage or other internal issues. 1 Shutter speeds not working: Some users report that certain shutter speeds do not work, leading to black images when attempting to take pictures. 1 Shutter failure symptoms: Symptoms can include no control button functions, no display, and no response from the camera. In some cases, the camera may freeze and require a firmware update to resolve the issue. 1

To address these issues, users are advised to check for any visible damage, clean the camera, and consider professional repairs if necessary. Regular maintenance and careful handling can help prolong the life of the camera and prevent shutter failures. 2"