Question about Canon Speedlite 550EX TTL Flash
My flash has been working great until the last couple of days and guess what, I'm on may way to shoot some wedding photos. When I put new batteries in and turn the flash on it immediately turns from the green ready mode to red. I'm unable to use the flash. I called Canon tech support and they recommended that I clean contacts with a clean eraser. I tried that and it didn't work. Do you have any ideas? Thanks for your help. dtaylor
Let the flash rest for two weeks, to discharge the cap.
Buy Energizer Lit. Batteries.
Do not touch batteries ends with fingers.
Cleans 4 batteries with an Ink Eraser.
Posted on Dec 21, 2007
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Posted on Jan 02, 2017
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