Error 99 ?

The error 99 message is often caused by the gold coloured contacts on the lens not making good connection with their opposite numbers on the camera body. Try cleaning them with a soft cloth, being very careful not to let any dust or fluff into the body itself. Maybe a tiny bit of alcohol would help but don't splash it about a lot!

Seems to be related to the lens, is it fit to be used with this camera? disconnect the lens and try again.

Sir I have canon 400D I work within 3 year 1st time there was problem in cilk in picture the camera display error 99 many time we change the battery & turn off .

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Go to the www.canon.com website and find out what Error 99 means. ted10

hi,

I do not know if this is going to be of any help. I was actually reading about this error code 99 in canon, and bumped into a forum, where people had share their experiences. You can give it a try. But if your camera is still under warranty, it is best to ring technical support.

"ERR 99" is a general error code displayed by the camera when the camera knows that something is not working properly, but not exactly what.

This error is typically associated with lens communication or shutter mechanism issues. 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.

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.

Hope this helps !!!

if you have a DSLR and your'e getting this "error 99" it may be associated with the particular lens youre using. try turning off the camera and removing the battery, the lens, and the memory card. let it sit for half an hour. reinsert the battery only and depress the shutter button as if you were to take a normal picture. if error 99 occurs again, then the camera needs servicing. if it error 99 doesn't occur at this point, turn the camera off and install the memory card. format the memory card while it's in the camera and press the shutter button as if youw ere to take a normal picture again. if you see error 99, then the problem probably lies with the memory card. if it doesn't occur, turn off the camera and install the lens. again, power on the camera and press the shutter as if you are taking a normal picture. if the error occurs, then it's with the lens. try to clean the lens including the connection points both on the camera and the lens. if the error code still occurs, try different lens to narrow it down to which particular lens is giving the issue. if it happends with all the lens, then the camera needs to be serviced.

Had this problem before and i found this guide online

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.

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

The "Busy" code will be on when the camera trys to use a flash and waiting for its charging action. Upon completion of charging the mechanism returns a signal to the camera to fire the shutter.

That means now your camera has something wrong on the flash unit and the camera waits for some certain time frame to finally determine it cannot complete a photo-taking command.

An "ERR 99" denotes that this kind of error has not been encorded explicitly and needs investigation services.

This was taken from another site:
My camera displays “bC” or “Err 99” when I try to take a picture. What does this mean?
BC is an error condition in EOS film cameras, and means one of two things. It either means “battery check,” so try putting in a fresh battery, or it’s a general error condition of some type. If the battery is fine, have a look at the previous section for things to check, especially dirty lens contacts or lens compatibility problems with Sigma lenses. Error 99 is essentially the same error condition as BC, only on EOS digital cameras. The EOS D30 also had error codes 09 and 10, which are similar.

I hope that info helps.
Good Luck!