Question about Canon EOS-20D Body only Digital Camera

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Canon EOS Digital Rebel XTI 400D Displays Err 99. Problem with CF card. Replaced with brand new card-still same err 99 camera is totally charges, acts dead, keep flashing Err CF, I try to format, it then says busy and gives me an Err 99. Please help! I'm lost w/o my camera!

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  • Canon Master
  • 6,487 Answers

Normally it can be an assortment of things:

Dirty contacts between lens and mount causing a glitch in the communication.
Use of outdated or obsolete chipsets on certain lenses
Jam in the motor
I/O error on the cf card
Mechanical failure

Most of the time its a bad contact with the lens and the mount. Try cleaning it with a q-tip to wipe residue off the metal contacts.

Hope that helps.........

Posted on Aug 31, 2008

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Http://www.canon.co.jp/imaging/eosdigital3/e4kr3_firmware-e.html


This a firmware problem here look how to fix it here

Posted on Aug 31, 2008

  • Jayson Brollini
    Jayson Brollini Aug 31, 2008

    I had a camera do that same thing to me but different model

    I sure hope that this helps please post more comments


    Please Rate Your FixYa Expert -->Kindofcheap

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  • Master
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Hi,

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.
5. Depress the shutter button as you would to take a picture.
Does the “ERR 99′ message appear? If it does, then the camera should be
serviced. If it does not, then please proceed to the next set of steps:
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 the most
likely source of the issue. Try using a different card.
If the message does not appear, please complete the following steps:
1. Turn off the camera.
2. Clean the lens contacts by gently rubbing them with a pencil eraser
or soft cloth. Be 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 should be serviced.

Posted on Aug 31, 2008

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Posted on Jan 02, 2017

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Err 99 on a 400d how can it b fixed


Welcome to Fixya
Err 99 could mean several different things, such as... Memory Card, Lens or Lens contacts....

Here's what you can try:
Remove the memory card an enable "shooting with out memory card" and see if you still get the error. If it works your memory card is bad. Try another lens if you can. Clean the lens contacts with a pencil eraser (be careful not to get eraser dust in the camera body or in the lens). Worst case scenario is, Err 99 could be related to the shutter failing which would mean a trip to Canon.

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Welcome to Fixya
Err 99 could mean several different things, such as... Memory Card, Lens or Lens contacts....

Here's what you can try:
Remove the memory card an enable "shooting with out memory card" and see if you still get the error. If it works your memory card is bad. Try another lens if you can. Clean the lens contacts with a pencil eraser (be careful not to get eraser dust in the camera body or in the lens). Worst case scenario is, Err 99 could be related to the shutter failing which would mean a trip to Canon.

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Err 99 could mean several different things, such as... Memory Card, Lens or Lens contacts....
Here's what you can try:
Remove the memory card an enable "shooting with out memory card" and see if you still get the error. If it works your memory card is bad. Try another lens if you can. Clean the lens contacts with a pencil eraser (be careful not to get eraser dust in the camera body or in the lens). Worst case scenario is, Err 99 could be related to the shutter failing which would mean a trip to Canon.

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Welcome to Fixya
Err 99 could means several different things, such as... Memory Card, Lens or Lens contacts....

Here's what you can try:

Remove the memory card an enable "shooting with out memory card" and see if you still get the error. If it works your memory card is bad. Try another lens if you can. Clean the lens contacts with a pencil eraser (be careful not to get eraser dust in the camera body or in the lens). Worst case scenario is, Err 99 could be related to the shutter failing which would mean a trip to Canon.

Have a good one!

Feb 06, 2011 | Canon EOS 400D / Rebel XTi Digital Camera...

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I have a CF err on my Canon Rebel XTI EOS


If your camera uses a compact flash card, then something is wrong with it. Possible causes: card needs formatting in camera (this will erase it) one or more pins inside camera are bent. Card was erased or formatted on computer instead of camera.

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1 Answer

My canon eos rebel xti keeps showing error code 99



To isolate the cause of the issue, we suggest that you 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 a fully charged battery, and turn on the camera.

Does the "ERR 99" message appear? If it does, then the camera should
be serviced. If it does not, then please proceed to the next set of
steps:

1. Turn off the camera.
2. Insert the CF card.
3. Turn on the camera.
4. Format the CF card in the camera.

Does the "ERR 99" message appear? If so, then the CF card is the most
likely source of the issue. Try using a different card.

If the message does not appear, please complete the following steps:

1. Turn off the camera.
2. Clean the lens contacts by gently rubbing them with a pencil eraser
or soft cloth. Be careful that you do not let any debris fall into the
camera body.
3. Reattach your lens.
4. Turn on the camera.

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 should be serviced.

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Ifd the camera is only 3 months old - return it for replacement

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1 Answer

Err CF


I had the same message on my EOS/Rebel XTI and the camera shop concluded that one of the pins where the card is inserted into the camera had come loose. They sent the camera back to Canon for repair. Luckily, it was still under warranty at the time.

Chris

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1 Answer

Err CF


Observe the connector inside camera, using a flashlight. If there is a bent pin take the camera to service immediately. Don't turn it on any more as we did in one similar case - creating a short circuit that damaged the camera electronics and voided the warranty.

If no visible problems, remove battery and leave it out overnight.

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