D30 Flash Sync Malfunction

[binge]

Hi,

My D30 suddenly failed to cooperate with my 420EX flashes. Actually, it doesn't work with any flash at all, even with its own built-in one. In the viewfinder display everything looks OK: flash indicator shows the flash is on, shutter speed and aperture are set accordingly, and when I press the shutter button, the flesh fires as it should?but the picture is completely underexposed. It looks as if the flash has fired while the shutter is (still) closed, as a result of mismatched flash synchronization. All exposures taken without flash are normal.

Can anyone provide some useful explanation?

Thanks!

Bin

[DonCoon]

Sound like you've somehow set your flash compensation to a negative setting. The setting remains even after you turn your camera off.

Display the problem image on the camera's LCD and press info to check the setting.

Hope this helps.

[binge]

Thanks a lot for your attetion!

I have set the flash compensation to maximum.
But the problem still exists.
is it a hardware problem?

[Motorsports Photo]

My D30 developed this problem too...along with really bad overexposure without flash.

Send your flash AND body to Canon and have them fix it.

I doubt if your problem is a setting you may have mis-adjusted on your camera.

-Pete

[DAMphyne]

I had the same thing happen to my D30, would not trigger external flash, on camera (pop-up) flash badly under-exposed, worked fine without flash.
Last week I sent it in for repair, estimate $380 US.
I'm still waiting for it to come back. I think I caused this problem using my Novotron strobes without a voltage controller. I've got one now, cost about $50 from B&H.

[binge]

$380 US is too much for me. Actually, a second-hand D30 is only $500 US.

Anyways, thanks a million for your attention!

[DAMphyne]

Your right about the cost of repair, too high, but it will have a 6 month canon warrenty, and I don't think I can get that off E-bay for $500. If I had my druthers, I'd buy another 10D for back-up, but that's not happening.
Oh well, I learned a lesson, and paid the price.
Good luck with your problem,perhaps it's not as extensive as mine was.

[scollins]

I noticed the same problem on my D30 with 420ex too. Without any exposure compensation, the pictures came out much darker than I thought they should. I ended up adjusting the flash compensation a little and that gave me the results that I was looking for.

[binge]

Thanks a lot!
I have adjust the flash compensation to max, but it still cant work.

I just asked Canon's service center in Hong Kong. They told me that I have to pay 300 HK$ for checking and 1650 HK$ for repairing the problem, if i want. It seems cheaper.

[agit-prop]

Just a hunch here but you could try re-flashing the firmware with 1.0.3.0

[EoSD30fReAk]

i know the problem and your shutter needs to be replaced. they did it with my D30 too

[binge]

May I ask how to replace the shutter?
Can I do it by myself?
Thanks a million for your help!