The sb-600 turns on but the flash dont work. do i need a bulb replacement. what should i do.
Zoom the flash all the way in so you can see if the flash bulb is broke
Have you tried the obvious - the test button??
If the test button doesn't work - either that button is bad - or the flash is bad.
SOURCE: Nikon Speedlight SB-600 keeps firing
I believe that there is a safety feature built in that if the voltage in the capacitor gets too large the flash will fire, to prevent damage, could be this that is faulty, if it is a new main circuit board is required.
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I have the same problem. Everything on the screen of my flash looks completely normal, and the ready light comes on, but when I take the picture or try to test the flash it doesn't flash. I have the SB-600 too.
Same problem. I've tried changing batteries, modes, settings. After about a hundred attempts to fire the flash with nothing, it finally went off....once. And then back to nothing. All that did was rule out a bulb issue.
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