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EOS350D Err 99?  
User currently offlineA388 From Netherlands Antilles, joined May 2001, 9708 posts, RR: 11
Posted (7 years 2 months 1 week 5 days 7 hours ago) and read 1397 times:

Hi,

I went out for some aircraft photography yesterday when I got the Err 99 on my display. After taking out the memory card it worked again but later the same thing happened again. I changed memory cards and lense and it worked again but it still happens. Is this a serious problem? When I take out the memory card and put it back in it works fine but has happened several times now.

Anyone who has had the same problem and how was it fixed? I hope it is not something serious as I will go to AMS next month and can't afford to fix it right now as it takes months to fix (we don't have a camera store here that can fix these cameras and it has to be send abroad)  Sad

A388

9 replies: All unread, jump to last
 
User currently offlineKMB From , joined Dec 1969, posts, RR:
Reply 1, posted (7 years 2 months 1 week 5 days 6 hours ago) and read 1381 times:

Error 99 is usually down to lens communication failure, do you have another lens to try?

cheers


Kevin


User currently offlineA388 From Netherlands Antilles, joined May 2001, 9708 posts, RR: 11
Reply 2, posted (7 years 2 months 1 week 5 days 5 hours ago) and read 1377 times:

Quoting KMB (Reply 1):
Error 99 is usually down to lens communication failure, do you have another lens to try?

Hi, yes normally use my EF75-300mm 1:4.-5.6 lense which is about 6 years old. My newer lense (EF90-300mm 1:4.5-5.6 USM) I don't use much as the photos come out softer. So does this error have to do with my older lense? Is 6 years old for such a lense?

A388


User currently offlineKMB From , joined Dec 1969, posts, RR:
Reply 3, posted (7 years 2 months 1 week 5 days 5 hours ago) and read 1374 times:

Quoting A388 (Reply 2):
So does this error have to do with my older lense? Is 6 years old for such a lense?

It could be, try using the newer lens to see if you still get error 99, also make sure the contacts are clean on the older lens.

cheers

Kevin


User currently offlineA388 From Netherlands Antilles, joined May 2001, 9708 posts, RR: 11
Reply 4, posted (7 years 2 months 1 week 5 days 4 hours ago) and read 1372 times:

Quoting KMB (Reply 3):
It could be, try using the newer lens to see if you still get error 99, also make sure the contacts are clean on the older lens.

cheers

Kevin

Thanks for your tips Kevin. Have you had similar experiences if I may ask?

Regards,

Roger


User currently offlineKMB From , joined Dec 1969, posts, RR:
Reply 5, posted (7 years 2 months 1 week 5 days 4 hours ago) and read 1372 times:

I presume the EF75-300 is a Canon lens?

User currently offlineKMB From , joined Dec 1969, posts, RR:
Reply 6, posted (7 years 2 months 1 week 5 days 4 hours ago) and read 1371 times:

Quoting A388 (Reply 4):
Thanks for your tips Kevin. Have you had similar experiences if I may ask?

Yes on a Sigma lens which needed a re-chip and on a Canon lens when the autofocus motor was on its way out.


Kevin


User currently offlineA388 From Netherlands Antilles, joined May 2001, 9708 posts, RR: 11
Reply 7, posted (7 years 2 months 1 week 4 days 17 hours ago) and read 1332 times:

Quoting KMB (Reply 5):
I presume the EF75-300 is a Canon lens?

Yes, my EF75-300 is a Canon lense. Why you ask?

Cheers,

A388


User currently offlineKMB From , joined Dec 1969, posts, RR:
Reply 8, posted (7 years 2 months 1 week 4 days 14 hours ago) and read 1322 times:

If it was a Sigma they are reverse engineered and error 99 is a common problem with older Sigma lenses which are fixed by a re-chip. I am not sure of issues with the Canon but check for dirty contacts, and try shooting using manual focus to see if you can rule out the focus motor. I would also suggest a call to Canon and have your lens serial number to hand.

I was told by Canon Tech that error 99 is a communications problem and usually but not always down to the lens.

I hope this helps.

Kevin


User currently offlineTupolevTu154 From Germany, joined Aug 2004, 2178 posts, RR: 28
Reply 9, posted (7 years 2 months 1 week 4 days 5 hours ago) and read 1296 times:

I too had a problem with a Sigma 100-300mm which was very old. I personally just replaced it with a £70 Tamron and even if the Sigma had been working, the Tamron still beats it!

Tom Big grin



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