How to Fix "Error 1" on a Canon 5D Mark II

How to Fix "Error 1" on a Canon 5D Mark II thumbnail
How to Fix "Error 1" on a Canon 5D Mark II

The Canon 5D Mark II is the top level "prosumer" camera offered by Canon, offering a balance of features and functionality for both professional and amateur photographers. But like all digital cameras, the 5D Mark II involves many sensitive electronics that are capable of producing errors. Canon indicates these errors through assigning each a numerical code, which displays on the back LCD panel of the digital camera. An "Error Code 1" indicates a communication error between the camera and the attached lens.

Things You'll Need

  • Canon 5D Mark II
  • Microfiber cloth
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Instructions

    • 1

      Remove any lens attached to the Canon 5D Mark II.

    • 2

      Clean the electrical contacts on the bottom of the lens by carefully using the microfiber cloth.

    • 3

      Clean the contacts on the camera body itself.

    • 4

      Reattach the lens and turn on the camera to see if the error code still displays.

    • 5

      Switch to a different camera lens and see if the error still occurs to isolate whether the problem is with the camera or with the lens.

    • 6

      Contact Canon support for repair.

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References

  • Photo Credit Jupiterimages/Photos.com/Getty Images

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