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Error 01 ????

ictinos -  
ictinos2002 Posted messages 3 Status Member -
Hello,
When I try to take a photo with my 17-85 EF-S mounted on an EOS 40D, the camera freezes and I get a message: err 01, etc... please stop the device.
What is happening?

Configuration: Windows 7 / Firefox 37.0

1 answer

Answer 1 / 1
Anonymous user
 
If you have the user manual for your device, check if the error is listed.

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SYSTEM_FAILURE
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ictinos2002 Posted messages 3 Status Member
 
There is no explanation in the 40D user manual; otherwise, I wouldn't have asked this question. However, I noticed that by cleaning the contacts with Offmann's liquor, this error no longer appeared...
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Anonymous user
 
I found this on a forum explaining error 01:

ERROR 01 :

The first error message visible to the user among a short list, it warns of a communication problem between the body and a lens.

The cause can lie in either the body itself or in the lens.

One test to perform, if you have a second lens: a cross-test by swapping the lens. If the problem does not occur with another lens, its origin is located in the body.

If you do not have another lens, you should start by ensuring the cleanliness of both the communication connector contacts of the body itself and those of the lens. If the problem persists, you should either borrow another lens to perform the cross-test or go, when possible, to your seller (or another) to check your body with another lens.

For a purchase of a body and lens, it is not possible to perform a cross-test by borrowing a lens from the seller. In this case, do not hesitate to go to the store and ask the seller to let you try one or two lenses as if you were interested in buying them. Of course, if Error 00 appears with other lenses, it means the body is feeling unwell. By daring to push a little, ask to try your only lens on one of the bodies offered for sale to carry out an additional cross-test with your lens and another body. You just have to dare... it's worth it. Who dares nothing...

If it's the body that has the problem, it's its circuit including the microcontroller responsible for managing the AF and the diaphragm that is faulty.

Once determined which element is not functioning, there will be nothing else to do but pass it on to the appropriate party: Canon customer service if both are of the same brand, or to the customer service of the lens importer if other than Canon.
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ictinos2002 Posted messages 3 Status Member > Anonymous user
 
Thank you for the clarifications. I conducted cross tests (I have 5 EOS D bodies) and the contact problem definitely comes from the lens. I was even a bit worried that this anomaly would disrupt my bodies. Currently, after applying Offmann's liquor, which is an effective degreaser, I no longer have any issues... The lens is working normally (it was the diaphragm that was faulty). There may be a capacitor or another component inside the lens that is starting to fail, time will tell. Some repair technicians say that the lens is dead... Good merchants!
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