Phase One 645DF random crashes

Discussions regarding Phase One 645 DF / DF+ and Mamiya 645 DF / DF+
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Phase One 645DF random crashes

Postby NN116782UL3 » Tue Jul 28, 2015 4:56 pm

I using a Phase One 645DF Firmware 1.58, Vgrip with Lithium battery along with an IQ140 back tethered to an iMac with Firewire 800. I am experiencing random camera crashes, sometimes mirror lockup one time shutter locked closed when the back is removed. The only solution I have found is to remove the lens, back, camera battery, and back battery. When I reassemble and turn on the camera functions properly. With the shutter closed crash issue, I actually had to keep the batteries removed for over an hour before the camera functioned again. Has anyone else experienced these issues and if so is there a fix?
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