Question about Canon EOS 40D Digital Camera

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Eos 40d error 99

1st I did insert the cf in to the 40d camara, but CF was some virress so it delite & format by camara option and I get only 3 shots, Error 99 indicate in Camara and no worke live viw finder.

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Error 99 can mean many things. Have you installed the latest firmware for the camera (version 1.1.1)? If you don't have, download it here (for equipment purchased in USA or Puerto Rico):

http://web.canon.jp/imaging/eosd/eos40d/eos40d-firmware-e.html

If you have the latest firmware, try this:

  1. Switch off the camera and remove the CF card and battery
  2. Keep the camera idle for 30 min
  3. Clean all the contacts of the camera (battery contacts, lens contacts etc) with an eraser. Do this keeping the camera facing down so that no debris fall into the camera.
  4. Attach the lens and insert the battery.
  5. Switch on the camera
  6. Insert the CF card
  7. If the error persists, format the card again
  8. If this does not work, try using another CF card.

Posted on Feb 06, 2009

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3. If you don't get the error message reattach the lens and insert the CF card.
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1. Turn off the camera. 2. Remove the lens, battery, and CF card. 3. Allow the camera to sit without power for approximately 20 minutes. 4. Insert a fully charged battery, and turn on the camera.
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Err99 40d canon body only


Try the following diagnosis steps: -

To isolate the cause of the issue, do the following: -
1. Turn off the camera.
2. Remove the lens, battery, and CF card.
3. Allow the camera to sit without power for approximately 20 minutes.
4. Insert only a fully charged battery, and turn on the camera.
5. Depress the shutter button as you would to take a picture.

Does the “ERR 99" message appear? If so, the camera may be faulty and requires a service. If it does not, then: -
1. Turn off the camera.
2. Insert the CF card.
3. Turn on the camera.
4. Format the CF card in the camera.
5. Depress the shutter button as you would to take a picture.

Does the “ERR 99" message appear? If so, then the CF card is faulty. Try a different card. If the message does not appear: -
1. Turn off the camera.
2. Clean the gold contacts on the lens by GENTLY rubbing them with a pencil eraser or soft cloth. Keeping the camera face pointing down, also clean the gold contacts on the camera, being careful that you do not let any debris fall into the camera body.
3. Reattach your lens.
4. Turn on the camera.
5. Depress the shutter button as you would to take a picture.

If the “ERR 99" message only appears when one particular lens is attached, then that lens should be examined by a service technician.
If you see the “ERR 99" with a different Canon lens attached, then the camera is faulty and should be serviced.

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Hey mus326,
According to the manufacturer a cf error code means there is a problem with your cf card, and error code 99 is a general error code which is often caused by using a lens other than a Canon lens. When formatting the cf card make sure you are formatting the card in the camera, and not using a computer to format the card. If you still can't get the camera to work I would suggest you have it looked at by an authorized service center.

Sincerely,
Allan
Go Ahead. Use Us.

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