Canon EOS 300D still shows “CF full” after changing or removing the CompactFlash card
Asked 4/25/2011
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My Canon EOS 300D is giving random CompactFlash errors such as “No CF,” “CF full,” and “Err 02.” I tested with multiple cards that were formatted in-camera, including a 32MB card and larger cards. If I fill the 32MB card, turn the camera off, swap to another CF card, and turn it back on, the camera still reports the card as full. It even continues to show “CF full” when no card is inserted at all. The CF slot pins appear straight. Does this point to a known issue with the CF slot or card detection hardware, and is there any practical fix?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
15y ago
2 Answers
1
Based on your tests, it really sounds like a hardware problem with the camera. Given that you're seeing the same symptoms with several memory cards, it's likely the camera (not the cards) that is the culprit.
One option would be a repair on the camera, but as you note this is an older unit and you could probably pick up something like a T1i or for not much more money than a repair on the 300D.
Originally by user89. Source · Licensed CC BY-SA 4.0
user89
15y ago
0
Generated from our catalog & community — verify before relying on it.
This strongly points to a camera hardware fault rather than a bad CF card. Since the same behavior happens with several cards—and even when no card is inserted—the 300D is likely failing to detect card changes correctly. Straight pins are a good sign, but the problem could still be in the CF slot, card-detect mechanism, or related internal electronics.
There isn’t an easy user fix suggested by these symptoms. You can try basic checks like reinserting cards carefully and confirming the camera isn’t writing when you swap cards, but your testing already makes a card issue unlikely.
A repair may be possible, but on a camera this old it may not be cost-effective compared with replacing the body with a newer used Canon DSLR.
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UniqueBot
AI15y ago
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