Question about Canon EOS 400D / Rebel XTi Digital Camera

1 Answer

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

I love my camera and it has served me well for over 3 years but a couple weeks ago it started failing to capture the image and flashing ?Err 99? on the display! The only way to get rid of the message was to turn the camera off. Or reinstall the batteries. I tried to ignore it but now it happens very often! I'll appreciate any help on this. Thank You! Jhon I have the same problem as Guest Aug06 2008 I have a coanon 400D purchased new Dec 07 and when used with Sigma 28-200 lens it works OK indoors but I get erroer code 99 when used outside. Somone must have the answer. Thanks

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  • 56 Answers

This can mean a host of different problems but try these things to fix it:

  1. clean the lense contacts as poor conection between the camera and the lenses can cause this. Also clean the contacts on the body of the camera.  The contacts should be cleaned with a plastic eraser, but make sure it is clean before using it.
  2. Clean the battery contacts (on the battery)
  3. Change lenses and see if you have the same problem (does it only have this problem on one lense?)
  4. Make sure you have the lates firmware installed.
Don't swap lenses while the camera is writing to the memory card, lots of things like this can cause this error message. Also the flash can cause it.
Usually the lense is the culprit so make sure it is fully cleaned.
Cheers
E-man

Posted on Sep 10, 2008

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Posted on Jan 02, 2017

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1 Answer

I have err 99 any solution?


.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.

Jun 08, 2010 | Canon EOS Digital Rebel XS / 1000D IS...

3 Answers

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...


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.

Aug 31, 2008 | Canon EOS-20D Body only Digital Camera

1 Answer

Canon EOS Xt displays Err 99 how do I fix it.


change the lens or try cleaning the connector tabs with a eraser.

Jun 26, 2009 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

Rebel XS ERR99


This is something I found when googling your problem.

Thank you for contacting Canon product support. I'm sorry to hear that
your EOS 10D is displaying an "ERR 99" message.

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.

May 25, 2009 | Canon Cameras

1 Answer

Err 99 appears after every click for canon eos 30 D


Err 99, but lens-to-body problems are common- thought error 99 is a bit of a catch all- generally a lens and body conflict. And also Err 99 means that something wrong happened, but then it cleared out before it could be further determined.
Here is the blurb from canon to try:

Thank you for contacting Canon product support. I'm sorry to hear that
your EOS 10D is displaying an "ERR 99" message.

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.

For factory service, forward your digital camera (remove the CF card
and battery) properly packaged and insured, with a letter describing the
difficulties. Be sure to include your name, address, telephone number,
and proof of warranty (if applicable). Send to the Canon Factory
Service Center at the following address:

Canon Factory Service Center
100 Jamesburg Road
Jamesburg, NJ 08831
Tel.# (732)521-7007

or

Canon Factory Service Center
15955 Alton Parkway
Irvine, CA 92618
Tel.# (949) 753-4200

Your equipment will be examined and you will be advised of the
findings.
The length of time for the repair will be dependent upon the nature of
the repair and availability of parts if needed. If the repair entails
something that is not covered in warranty you will be sent a written
estimate to the address that you have provided.

Please leave for me, a rating...

May 15, 2009 | Canon MF8180C Color Laser MFC Printer

3 Answers

Err 99 in canon 350D


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.

Apr 06, 2009 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

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


See if Sigma has any updated advice on this. Otherwise, I don't mean to sound rude or harsh, but unfortunately you may be out of luck with the compatibility...you will need to get a Canon lens. Error 99 is just a communication error and cleaning the contacts is about all you can really do so if that hasn't worked...I'm sure this is not the news you want to hear, but contact Sigma if you haven't already and see what they say.

Take care!

May 30, 2008 | Canon EOS 400D / Rebel XTi Digital Camera

1 Answer

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


A common cause of Err 99 on the Digital Rebels that have some age on them is shutter failure. There is a switch called CN2 in the shutter that fractures and causes either bad flash sync or shutter failure-or both. The repair is to replace the shutter. Sometimes the CN2 switch can be repaired but we find at our shop it's better to replace the shutter with a new one. That way, with a new shutter, you will get years more of good service from the camera.

There are other causes for Err 99. Check the electrical contacts on the rear mount of the lens and the coresponding contacts in the lower portion of the mirror box in the camera body. Make sure they are clean and not distorted or bent.

There are more but these two are, by far, the most common.

Dec 03, 2007 | Canon EOS 400D / Rebel XTi Digital Camera

17 Answers

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.

Apr 10, 2007 | Canon EOS Elan 7ne 35mm SLR Camera

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