Question about Nikon Speedlight SB-600 TTL Flash

1 Answer

Continuous Firing of the Flash

One day I turned on my flash and every few seconds it would fire. And then it would fire again, and again, and again. I used the reset button, but to no avail it restarts and then keeps on firing?????

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  • Anonymous Oct 10, 2008

    I am also having this problem. My display screen is also flashing on and off all the time.



    Seems others have had the flashing display issue.



  • fernsor Oct 18, 2008

    I have the same problem. The flash started misbehvaing some time ago, now, just like you, it flashes constantly...

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THE CPU IN THE FLASH IS DEFECTIVE. SEND IT TO THE MANUFACTURE.
BERRIE SMITH CAMERA REPAIR / 770-312-0719 / bbmw@bellsouth.net

Posted on Nov 28, 2008

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My SB 700 shows temperature after few shuts and when it's twisted


From the SB 700 manual page b8:

v Notes on continuous fl ash photography • To prevent the SB-700 from overheating, allow it to cool down for at least 10 minutes after 15 times of continuous firing. • When continuous flash firing is repeated in quick succession, the internal safety function adjusts the recycling time by up to 15 seconds. If flash firing continues, the thermal cut-out indicator appears on the LCD and all operations are suspended. (0E-31) Allow it to cool down for several minutes to disable this function. • The conditions under which the internal safety function is activated differ depending on the temperature and the SB-700 flash output level. Operation B B-8 Slide the battery chamber cover open while pressing the battery chamber cover lock release. Insert the batteries following the [+] and [-] marks. Close the battery chamber cover. STEP 1 Inserting the batteries Operation B B-9 1.5 V alkaline AA battery 1.5 V lithium AA battery Rechargeable 1.2 V NiMH AA battery Suitable batteries When replacing batteries, use four fresh AA-type batteries of the same brand from any of the following types: • For minimum recycling time and number of flashes for each battery type, refer to "Specifications." (0H-27) • Alkaline battery performance may vary greatly depending on the manufacturer. • 1.5 V carbon-zinc AA batteries are not recommended. v Additional precautions regarding batteries • Read and follow battery warnings and cautions (0A-19 - A-22). • Be sure to read and follow the warnings for the battery on the section, "Notes on Batteries" (0H-9), before using the battery. • The recycling time can be longer when lithium AA batteries are used because they incorporate a function that suppresses the output current when heat is generated in the batteries.

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Hi,

If it clicks when the flash is already open, it seems there would be a problem with the flash open sensor. The camera thinks the flash is closed, so it tries to open it again and it refuses to fire, because firing in the closed position would blow the bulb.

The D40 flash is a bit different, but if you open it (just unscrew the two little screws in front) you'll recognize the sensor clips. Open and close the flash and see if the make contact when open.

(And DON'T fire the flash when open, or at the very least don't touch anything in there when firing or you'll get zapped.

Goodluck..

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I can repair it for you or try this first.



Turn power on with no camera connection.

Does it fire by itself?

PC Sync on camera, does flash fires by itself?

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Are you using rechargeable batteries or alkaline ?

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My SB600 seldom firing when triggered manually on the red flash button. Only 2 or 3 times flashing after 30 attempt. Tried with new battery but same problem occured. Help.


If you are firing the flash manually it's giving full burst each time and the battery needs to pick up the charge from the bottom. So just numbers her for an example with a full set of batteries you manually flash, first burst takes 5 seconds to charge flash again it'll take 10 seconds, if you flash it again before that 10 seconds it'll now take 20 seconds and if you push that button again it might misfire because it just can't get the power up high enough to fire it. The flash isn't a studio strobe which is plugged into an outlet, you are working with battery power and each time you flash those batteries are under a huge load and each time you fire you kill them a little more I'm surprised you are getting 30 flashes from those batteries. My guess at full power you are going to start having problems after about 12 to 15 flash bursts and it's a rapid down hill drop in performance from then on. If you took those batteries out of the flash after that series of 30 flashes I'll bet they are hot. What you can do to help is set the system up with Nikon's wireless transmitter and utilize the new i-TTL system then you are taking performance.

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1 Answer

Flash takes too long


Its all relative. With most of these compact cameras, to conserve power, the camera does not always keep the flash ready to fire at any given second. Firing the flash uses a lot of juice, so if it was always at the ready, the battery life would be reduced to half or less, which would would cause more problems.

When you press the button the camera then tries to cycle up enough flash power that it thinks it will need to light the scene correctly. This will require less time if its in the day and longer if its dark.
Add more time if the battery life is low.

Once you fire the flash and exhaust all the reserve power from the buffer, the camera will need to recycle itself to garner enough power for another flash, this again adds time.

More expensive cameras have better power management and can cycle up faster.

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Continous firing flash


You have a bad cpu chip in this flash . You need to send it ijn the the manufacture at NIkon .
BERRIE SMITH CAMERA REPAIR
770-312-0719 / bbmw@bellsouth.net

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1 Answer

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Hi , try to flash in dark area and set camera flash on set in all option.if does not fire the flash the flash bulb are busted either the the igniter switch inside was broken.

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Metz 45CL-4 not firing consistently... Hi, Have a problem with a Metz 45CL-4 flashgun. I may have damaged the circuit by rapid charging from an external NiMh pack whilst trying to form the main capacitor....


Hi Guys!
I have had the same problem on CT-1 s and CT-5s.
In both cases the flash cable (called PC synch cable) was to blame. If flash fires correctly with the test button on the handle, then cleaning the cable contacts with contact cleaner spray seems to be the best first step.
Regards,
Gerard

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