Question about Canon EOS 400D / Rebel XTi Digital Camera

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Canon error code 99

Hi there! I just bought a Canon 400D and tried to use a zoom lense from my old Canon SLR, but can't take any photos - 'error code 99, turn camera off and on again' - that doesn't work, though. Camera works perfectly with 28-55 lens that came with it. Why does the old lens not work? Thanks for any help.

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  • petjo Mar 02, 2008

    I get error 99 when I use the green auto mode. Ok if I use other settings like Av or Tv. Ok also on portrait. I should add I am using lenses from my old SLR. Peter Young

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Your camera performs a quick 'integrity' check before each shot and goes into error 99 mode if the lens in incompatible or has a diaphragm problem. ( it will also display e99 if the shutter or flash unit is not ok but this does not apply here ). This is how you can check whether the diaphragm mechanism is ok : attach lens to your old camera and set camera to AV and set F stop to 16 . open back and release shutter and look through the back to see if your lens is closing to F 16. If it is closing fine then the lens is ok but is not compatible with your D400.

Posted on Sep 10, 2007

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Posted on Jan 02, 2017

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I have a canon Zoom FD 70-210mm 1:4 lens off a SLR camera. Will it work with digital cameras?


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My Canon 400D camera keeps coming up with error 99 I have cleaned the contacts on both my camera and my Tamron 28-200 lens.At first i thought it was my camera but I tried it with another lens and it...


Hi turn on the camera with the lens on set to tv and a iris of f22 and use the stopdown button if the lens stops down the lens is ok if not the lens is faulty may need a intuper replaced

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1 Answer

Canon 400d err99 message when trying to take a picture. how do I resolve problem?


Error 99 also refers to communication problems between lens and camera, so worth cleaning the contacts...you can't lose anything in doing so.
1. Take your battery out and reinsert it - this will clear it.
2. Clean your lens contacts carefully with a plastic pencil eraser. Sometimes corroded contacts can cause errors like this.
3. Try the camera with different lenses - if it is occuring with several lenses, it may point more strongly to a camera fault.
4. Make sure you have the latest firmware installed.

Oct 08, 2009 | Canon EOS Elan 7ne 35mm SLR Camera

3 Answers

I have a digital slr 400d canon camera. It is getting the message error 99 after taking a few pictures. what can I do to get rid of it?


Hi There,
on these models the 99 code is generic, and can mean a bunch of different errors, but usually it is dirty contacts. It can be on the battery, or more likely between the lens and camera body.

Check out this link here, there are a lot of good things to try.

http://www.fixya.com/support/t142115-canon_displaying_err_99

Good luck. And don't listen to the comments that Canon is bad, I have had Canon's for years, and they are great cameras!

Dec 08, 2008 | Canon EOS 400D / Rebel XTi Digital Camera

1 Answer

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


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

Sep 08, 2008 | Canon EOS 400D / Rebel XTi Digital Camera

2 Answers

I have error 99 in my camera canon 400d


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

Sep 01, 2008 | Canon EOS 400D / Rebel XTi Digital Camera

1 Answer

Error 99 in canon 400D


You will get that error when using some lenses other than Canon. A lot of the older Sigma lenses have that issue. Do you get this error when using newer Canon EOS lenses?

Apr 01, 2008 | Canon Digital Rebel / EOS-300D Digital...

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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