80D built in flash will not fire

4 years 3 months ago #672953 by Brian S
I have a new 80D. The built in flash can be manually raised by pressing the flash button or will raise automatically in, for example, A+ setting. Sometimes it will flash very briefly I assume for focus assist. But when the shutter release is pressed fully ‘BUSY’ and the flash icon appear very briefly in an orange box at the top of the rear screen but the flash does not fire. I have carefully pressed and released the sprung lever in the hot shoe to press the small black disable switch but that hasn’t fixed it. My 550EX Speedlite works perfectly in the hot shoe. 
The attached photo is a frame from a video which captured the ‘BUSY’ moment.Any ideas why the built in flash won’t fire?


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4 years 3 months ago #672983 by effron

Why so serious?
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4 years 3 months ago #673041 by Brian S
effron, thanks. I did that - I set the flash from auto to on and it made no difference.


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4 years 3 months ago #673055 by effron
Maybe its a defective unit, can you return it?

Why so serious?
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