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hi guys, Reading at the issues experienced by others on some Inon Z240 type IV strobes, i was glad not to have experienced any problem with my 2 strobes bought in 2011. However during today's dive i noticed straight away that my left strobe wasn't producing as much light as the right one I trigger these strobes in manual mode both on same power, using Nauticam fiber optics, Nauticam housing on Nikon D500. I've done a number of tests after rincing the housing on dry land: -swapped the fiber optics, no change -changed the flash output settings, i.e. starting with both at EV-2 and then EV-4 -> my left strobe still was noticeably less powerful -and of course, i had made sure each time the pre-flash button was fully engaged To make sure i wasn't getting tricked by what i was shootting at, i just aimed my camera to a white wall, shot subsequently with left and then right flash, could clearly see the shift in the histograms/ This looks like my left strobe has just become overall less powerful, very strange! I had just changed batteries before that dive so i am wondering if it could explain the problem, but i do wait for the strobe's red ready light to turn on before i shoot. My question to the community: does anyone know what could be the cause of my issue? Any way to fix it myself? If it requires repair, does anyone have an idea of how long and how costly such a repair can be (i am in Sydney, Australia). thanks and merry Xmas to all! Nicolas
Unfortunately one of my Inon Z240 is acting up, and this just a week from my trip to the Philippines. It seems not be working in manual or full mode - it fires but seems to be stuck at the same low output regardless what the output dial is set to. The magnet is in, so ACC should be off. When in STTL-LOW it seems to work, the output changes depending on the camera's flash power. I know there has been some issues reported with the magnet being corroded on the Z240s, so I removed the push button to have a look. The magnet seemed OK - didn't see any obvious corrosion - but it was loose and not attached to the button. Very well, attached it yesterday and retried – same issue. Since I have another Z240 that is working, I tried to switch the push buttons just to see if that made any difference. Unfortunately the issue remains. The second Z240, which was was working fine before, is still working with the other Z240s push button/magnet in place. Some quick facts: * Olympus OMD EM-5 * Nauticam housing * Optical flash trigger, use the OMDs flash to trigger (set to manual, as low as possible) Not sure what else to do, is shipping for service the only option left? I'm going to Hong Kong just before my Philippines trip staying for a few days, does anyone know of a Inon service center that might have a look in-house? Many thanks!