Panasonic GH4 won't output HDMI when using DC Coupler but does work with battery

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Cam_D New Member • Posts: 1
Panasonic GH4 won't output HDMI when using DC Coupler but does work with battery

Hello everyone,
I was hoping for some help with a strange problem I am having with my GH4.
For over a year I have been using a DC coupler with my GH4 and recording from the HDMI output into a pc. At the last event I was recording I could not get an output from the GH4 so I wasn't able to use it on the night.
After a number of tests I have worked out the GH4 will no longer output from the HDMI port when I am using a DC coupler. The strange thing is that the HDMI output works completely fine when using the battery instead of the coupler.
I thought the DC coupler may have broken or worn out so I have purchased a new one and the same problem is still there... no hdmi when using the dc coupler but it works fine when using the battery.
Would anyone happen to have any ideas on what is causing this?
Thanks very much,
Cameron

Panasonic Lumix DMC-GH4
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