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Posts: 1
Registered: ‎06-14-2017

430EX II won't turn off

I just discovered that my Speedlite 430 EX II won't turn off. When i flip the switch to off, nothing happens. The speedlight stays on. What should I do to fix this? 

Esteemed Contributor
Posts: 3,515
Registered: ‎06-25-2014

Re: 430EX II won't turn off

If you have any thoughts of fixing it yourself, take the batteries out, and fire it a few times to drain the capacitors before you open it up. High-voltage electronic devices, even small ones, can deliver a painful shock if you're not careful.

Bob
Boston, Massachusetts USA
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Posts: 5,051
Registered: ‎08-13-2015

Re: 430EX II won't turn off


RobertTheFat wrote:

If you have any thoughts of fixing it yourself, take the batteries out, and fire it a few times to drain the capacitors before you open it up. High-voltage electronic devices, even small ones, can deliver a painful shock if you're not careful.


Painful shock is an understatement.  It only takes 25 mA to stop the heart.

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