Question about Canon Digital Rebel / EOS-300D Digital Camera with EF-S 18-55mm Lens

I have error 99 in my camera canon 400d

After i use of three month of my new canon 400d camera i got error 99.i face this problums than when i attace my camera with computer with the help of data cabel.but nor pictuer is downlode in my pc and camera flase error 99. than i was open the baterry cover remove memory card and even got off 75-300 lense and errase the point both camera and lense with erraser .but nothing help full. now camera on light blink even i switch off camera and camera not take any pictuer and not share with pc. when i try to attach the camera with computer message came that nothing attach. please help me. with regards. harry dhillon

1 more comment
LaDean Dec 10, 2007

product Canon Rebel XTI Digital it says that the cf card needs to be replaced, so I did, you guessed it. Didn't help a thing, still can't take any pictures. I even erased all pictures on cf card it didn't matter. I have had my camara since august 2007. Please help. LaDean
bstajcar Feb 08, 2009

Error 99 appears in pattern: 4 shots, 5th one comes with error 99 which can be cleared only by battery reinstall.
This pattern repeate itself regardless of lens being attached or not, so it looks like software issue, bug or corruption of parameters.
lina_banat May 19, 2009

I also appear to have the Error 99, however my camera makes weird ticking sounds as soon as the battery is inserted. Please help

2 Answers

Jarrett

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51 Answers

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 Jan 30, 2009

Anonymous

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Master
2,985 Answers

If you have had the camera from new for only 3 months send it back to the vendor or get onto Canon customer support for a replacement.

Posted on Jul 31, 2007

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This error message is common to a broken lens ribbon problem. Does the lens work in manual and not in auto. If so it could well be the problem. The fix is to have the lens ribbon replaced.

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error 99 on a 400D is a problem with the lens contacts this is what the canon people say to do read this!!

The guy at tech support listened and then told me that the lens contacts were dirty and to get a pencil with an eraser on the end, just a regular old pencil with a red rubber eraser. Detach the lens from the camera, hold it so that the lens’ gold contacts are pointing down and lightly erase their exposed surface, cleaning them of any hand oil that might have gotten on them.

Do the same thing with the gold contacts inside the camera body. This is a bit harder but it’s doable: just hold camera so lens opening points down so no gunk falls in. Erase lightly. I used a lens cloth and dabbed at the contacts rather than blow them so as not to blow the erasings inside the camera.

I did this to each of my three lenses just to be sure. Lo and behold, it worked

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I have error 99 in my camera canon 400d

Error 99 is a general fatal error.
which includes the problems above mentioned by Q4SteveB but also many others.

It can be caused by a dicky shutter, problems with the CF card interface.

If cleaning and trying a different lens has not worked. Not definitive but as a rule of thumb...
If it letting you take one picture then giving error 99.. and the picture is saved to the card (but may just be black) this is most likely the shutter needs replacing..

If it takes a picture and gives error 99 but there is no picture on the card or the picture is 0KB its a CF interface problem.

If you get an error 99 when you plug in the USB its a USB interface error, you can try a different cable but unfortunately in most cases if another lens or cable wont work it needs repair

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My Canon is displaying - Err 99 what should I do?

Just found this info which should help diagnose the err 99 issues (info direct from Canon apparently)

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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