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SB-900 Speed-light is not Triggering Flash

sb900 flash notfiring speedlight

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Hi All,


I have taken my SB-900 Speedlight from storage after long time. Battery connector seems to be little bit corroded by but after cleaning it started to poweron with fresh batteries but its not Firing the Flash in any mode. When i try test firing, it give mild sound and red light blinks 3-5 times and stops but nothing fires.


I tried upgrading the Firmware and reset the device but no luck.


Any help would be appreciated as this only used few times dont want to part this.

Also tagged with one or more of these keywords: sb900, flash, notfiring, speedlight