DESPARATE help for TITAN D100

Hi folks,

I am here in Indonesia 7 days into a 17 day trip with a housing problem. Thought I might get a faster response here. I have posted an email I sent to Light and Motion below which should explain my situation. Any help would be awesome.

Thank you.

Hello from Indonesia. My name is Joe Belanger and I have your Titan D100 housing and am having serious problems with it. The ROC does not work. When I set my F-stop and shutter speed, I cannot adjust the light output accordingly. The light output seems to default to the lowest setting, as I just get a small blip of light when I trip the shutter, even when the ROC is set to deliver the maximum amount of light. Some of the time, the ROC will all of a sudden send a full strobe dump when it was delivering a small blip…all without adjusting the ROC control. If I turn the Ikelite DS50’s to manual mode, I get a full dump consistently, so I know it’s not the strobes. Last night I went on a night dive and the system worked fine. I did not change anything and the problem “just started “ the next morning. There is no leaking going on that I can tell. I am using Ikelite dual sync cords, so I am only using one bulkhead. I have tried both bulkheads with the same results.

Here’s more that I have done.

Checked strobe cords with three new ones and get the same problem.

I have a complete set of Titan replacement electronics with me and have replaced the tray circuit board but the problem still persists. I have not replaces the handle circuit boards or the leak detector/bulkhead circuit board.

I have made sure all batteries are charged and connections good.

When I take the camera out of the housing it works fine.

I need to know what board controls ROC, or what other features control ROC. The shutter and F-stop works fine on the ROC handles.

DS50 strobes are set to –2 dash per the manual. Also, if I dissassemble everything and reconnect it, the ROC works fine until I get it underwater.

I need your repair recommendations as soon as you get this email. I am 7 days into a 17 day trip with no camera. Any help you can provide is welcome.

Thank you for your help

Well, first off there is no reason to lose a single image with this problem. Set your strobes to manual and go!

Sounds like you've done a good job at troubleshooting the housing, camera and cords, but that still leaves the strobes. Try using one strobe, then the other. My bet is that one of your strobes is on the blink!

Read this thread:

http://wetpixel.com/forums/index.php?showtopic=8123&hl=

Hi Joe,

Sorry to hear about the problems. It does sound like you've done the proper troubleshooting. The erratic nature of this problem leads me towards an cord problem, even though you've already tried all three.

As Kasy suggested, if possible borrow another brand strobe and cord, program the ROC control to that strobe and retest the system.

Also check carefully to see if the bulkhead(s) got flooded. If so, try to clean out w/ alcohol.

Cheers

James

Also check carefully to see if the bulkhead(s) got flooded.  If so, try to clean out w/ alcohol.

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Actually, soak it in white vinegar first then use the alcohol to clean out the white vinegar. The white vinegar will sometimes eat the corrosion.

[Read this thread:

http://wetpixel.com/forums/index.php?showtopic=8123&hl= ]

I had similar problems with mine, by removing the batteries out of the grip handles, the ROC is reset. By inadvertantly pushing 3 roc buttons at the same time, I locked the board up. Removing the batteries reset it and it worked fine. Also, one of the led's on the right side of the board would not light and that took another tray to resolve. Give it a try, hope it works out...keep us posted!

aurabest,

john