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[Solved] Canon 7D Error 30 - Shutter Lock

Well. This is the first time I ever had any trouble with my 4.5 years old Canon 7D DSLR.

I was on my cruise trip to Puerto Rico. I don't have backup camera with me. My 7D went into error 30 shutter lock mode after shooting few 3 bracketed HDR photos.


After searching on Google, I see many people have the same problem. The error 30 basically means the shutter got stuck in the open position. Or it's getting sticky due to the environment.

Now I've found two solutions in summary. 

Remove batter and compact flash card off the camera. Wait for few seconds before putting the battery and card back into the camera body.


1. Go to menu and enable clean manually. Turn the power off and power on. 
2. Shoot few High Speed shots. 

I haven't had error 30 since.

You can read more about how people solve the problem on Flick by hitting the camera hard. I would NOT do so.

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