Hello all.
I am looking for some help/advice please.

I recently bought a Nikon D800. But I am having problems using my Nissin DI866 flashgun with it. Sometimes the flashgun works fine, others it does not work at all.

Last weekend I was trying to use the flashgun as a remote flash, it would not flash at all. So, I connected it to the D800 hotshoe, still nothing.

The previous weekend I was using it remotely and it worked fine, off the camera,and also on the camera.

The batteries in both the camera and the flash are fine and charged.

Can anyone offer any help or advice please? Has anyone else had the same issue?

Many thanks

John