Question about Canon EOS 40D Digital Camera

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Error 99 Code on 5 month old Canon 40D

My 40d froze up during an all day soccer shoot last saturday. I was shoting with the 100-400 Canon IS L lens. I turned the camera on and off, removed and replaced the batteiries, tired different lenses, change memory cards and still the dreaded "Error 99 Code". Please help!

Return email:
info@KAPphotos.com

Thank you.

Posted by on

  • KAPphotos Feb 20, 2008

    I tried the eraser trick already. No luck. I will try your other solution.



    Thanks,

    KB

  • muletrain
    muletrain Dec 28, 2008

    Error 99 Code on Canon 40D occurs always at temperatures about 8 celsius or lower

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  • 17 Answers

Error 99 can be several things. Try the following. Check that the contacts on the lens housing are clean if not clean them with a swab of denatured alcohol available at walmart. also if there is extremely cold weather your shutter could be creating the error. Try using a blow dryer and on the warm setting warm up the camera with the lens off. Blow around the mirror area. I know it sounds silly but it has worked in the past. Good luck.

Posted on Feb 20, 2008

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1 Answer

Shoot 5 pictures and get error 99


There are over 40 different malfunctions that can cause an error 99 on a Canon 40D. The 2 that account for over 95% of the error 99's are either a bad shutter mechanism or a bad mirror driving motor. It takes special diagnostic software to determine the exact cause. Otherwise, a repairer just has to start replacing parts until the problem goes away.
Bob Kilbourn www.camerarepairs.com

Oct 22, 2011 | Canon EOS 40D Digital Camera

1 Answer

Error code 99 on a 40D?


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.

Apr 17, 2011 | Canon EOS 400D / Rebel XTi Digital Camera

1 Answer

Got Error 99 on my 40D. Have done all the obvious: remove battery, replace battery, check lenses, SD cards. Have talked with several people who tell me it's "common" with 40D. Any assistance you...


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.

Thanks!

Mar 27, 2011 | Canon EOS 40D Digital SLR Camera Digital...

1 Answer

My Canon 40D suddenly came down with the dreaded Error 99 for no apparent reason. I have tried all the usual, battery, memory card, lens, but no luck. Even on the bulb setting the shutter won't stay open....


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.

Thanks

Jan 30, 2011 | Canon EOS 40D Digital Camera

1 Answer

Error #99 shooting is not possible. ,,,bla bla bla. I have turned off. I have taken out the battery. I have taken off and put back on the lens. Still get the sam message


One thing you could try is cleaning the little gold contacts on your lens and camera that will almost allways work
Good luck
Have a Great Day

Oct 13, 2010 | Canon EOS 40D Digital Camera

1 Answer

Hi, I've been taking pictures outside when I've got error 99 on my Canon 40D. It was dump outside so when I came home I put the camera in the warm place for the night. Next morning it was warking fine and...


this is what the canon people say to do for error 99


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 good luck have a nice day!!! :) :) :)

Jan 18, 2010 | Canon EOS 40D Digital SLR Camera Digital...

2 Answers

Canon eos 40D error 99


Check this link: www.richardsnotes.org/archives/2005/04/29/50mm-lens-contact-points/

Oct 20, 2008 | Canon EOS 40D Digital Camera

1 Answer

Canon EF-S 17-85MM F/4-5.6 IS USM prevents features from working on 40D


something sounds strange about this. aperture 00 is an invalid aperture value. stands to reason if that is the case the camera would complain about it. via error code. being that its only six mos. old i would give canon a ring.

Oct 11, 2008 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

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