Question about Canon Speedlite 550EX TTL Flash

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My flash don´t recicle more

My flash turns on and all functions works well, but don´t recicle. I set it in ON and make a low sound, the pilot lamp don´t take any colour and the low sound stops. Nothing more, but all the other functions works. What´s wrong? I use a lot of new alkaline heavy-duty batteries.

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Re: My flash don´t recicle more

Never use Heavy duty batteries they do not have high output. They are for clocks. and they're cheap. Clean the contacts with a pencil eraser too.

Posted on Sep 14, 2007

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Metz 44AF-4C ready light does not come on,has new batteries, all functions work?

The energy for the very short, very high brightness flash is held in the flash capacitor of the photo flash lamp. This capacitor degrades if is not charged for long (years), and needs formatting, which is a slow charging and 2-3 consecutive shots. Sometime the first charging takes significantly longer than normal time, even minutes. If however the ready lamp does not come up even after some minutes, the flash lamp may have developed an internal fault, which can only fixed by a trained repairman. Another common culprit is wrong contact in the battery compartment. Batteries left in the flash for long often leak, and corrode the contact springs and leaves. These can be cleaned with soaked with vinegar cotton tabs (ear cleaning buds), followed by mechanical cleaning with pencil eraser.

Feb 24, 2014 | Metz Camera Flashes

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Canon Speedlite 580ex ii - won't work with camera

Caroline, you should try to set the camera on "M" and the flash in 2nd curtain flash sync.

Or set flash in ATG wireless IR ETTL Slave modes and pop-up the flash on Canon EOS-70D.


Feb 08, 2014 | Canon SPEEDLITE 580EX TTL Flash

1 Answer

Pilot light not lighting on 420ex speedlite canon flash

This may seem dumb to ask but have you made sure all batteries are fresh (even new ones can be bad), they\'re inserted correctly observing polarity and the contacts are clean in the flash? (You can clean them using a clean, dry pencil eraser and a Q-Tip dipped lightly in alcohol.)

Also, try mounting the flash on your camera, turn both on and reset your camera to factory default settings through your camera menu settings.

Feb 28, 2013 | Canon Speedlite 420EX TTL Flash

1 Answer

Speedlite 430ex, pilot light on, flashes when I hit the pilot, but will never fire when taking a picture....the "ready" light below the red pilot light never turns on

Typically, it means your batteries are low but I am sure that you know that already.
The next cause is a mechanical failure. The flash has capacitors that **** up the battery power until they have a full charge and the trigger the ready light. Therefore, if your batteries are good then it is likely that the capacitors are disconnected or have failed. Eitherway, you will most likely have to send it out to a Canon service center. You can find service centers at

I hope this helps. Good luck!

Jan 16, 2011 | Canon Speedlite 430EX TTL Flash

2 Answers

My flash will not flash. I have put in new batteries. The units responds to TTL and menu commands and switches on perfectly. Even the pilot lamp goes to green, however the bounce flash and fill flash do...

Mine does the same after 10 or 15 flashes. It gives you the impression that its drained the batteries, but I doubt it. I have a feeling its some short-circuit or overheating.

Jan 03, 2011 | Nissin Di866 Flash for Canon

1 Answer

How to setup the nissin di866 digital flash to canon eos 50D?

Set camera to ASA/ISO 400, set in P, set lens in A.
Park flash on hotshoe.
Press White Button and wait until Pilot turns Green.
Press Set Button then to move those Arrow until it covered TTL(White on Blue).
Turn on camera.
Enjoy shooting.

Above is basic flash shooting set-up.

Jan 28, 2010 | Nissin Di866 Flash for Canon

1 Answer

Af assist on canon flash 580exii not working

check Custom Functions of Camera and Flash it can be turned off in both locations

Jun 13, 2009 | Canon Speedlite 580EX II TTL Flash

1 Answer

580EX speedlite not firing

Does the pilot lamp light up? If so can you fire it manually by pressing on it? If the batteries are low it may simply just be taking a while to charge, the camera will not wait for it to be ready to fire and it may seem to be not working. If your flash can be fired manually however, there may be a problem with the cameras shutter or the hotshoe. You can do a basic check by pressing the star button at the rear of the camera, you should get a pre-flash. If not, there is a problem with the cameras hotshoe which you will need addressed by a service centre. If you get a preflash you can next check the cameras shutter by setting the second curtain to sync with the flash. This can be done via the cameras "Custom Function" menu, c-Fn 15. Set the camera to TV mode and chose a 1 second exposure. Take a shot with the flash attached, if the shutter is working correctly, the flash should fire a pre-flash and then a main flash. If it doesnt, the switch inside the shutter is broken and the shutter needs to be replaced. This is a pretty labour intensive repair and you may consider an upgrade as more economical.

Apr 14, 2009 | Canon SPEEDLITE 580EX TTL Flash

2 Answers

Canon speed lite 580ex 11

I just got the 580 and had trouble with it blinking all the time, the bounce card was out about a mm and I did not realize it, once that was pushed all the way back--voila.

Jun 30, 2008 | Canon SPEEDLITE 580EX TTL Flash

2 Answers

D80 and SB-600 FV Lock doesn't work anymore

In whacky situations like this it is always best to re-set your camera and flash settings. Somewhere on your D80 you will find two function buttons with small green dots next to them. These are the resets. Push both in at the same time until the display LCD flashes.. The camera is now reset to default settings.You will now have to re-set your FV button to the custom setting you had it at before.

Also, reset you flash by turning on the power and removing the batteries and re-install them.

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