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HELP! New EOS R + RF 24-105 displaying f00

Started Dec 20, 2019 | Discussions thread
ZX11
ZX11 Veteran Member • Posts: 6,156
Charge the battery?

Erin Schrad wrote:

I just opened a brand new EOS R + RF 24-105 kit and am kinda losing my mind because the 24-105 is displaying f00. I have tried using a microfiber cloth to clean the contacts. I tried taking it off, putting it back on, over and over. I was going to try updating the lens firmware, but as the camera does not detect the lens at all, I can't update the lens firmware. I tried an EF lens on the camera with the RF adapter... it worked. So it's some issue with the RF lens.

Anything I haven't tried? Do I exchange the whole kit for a new one? I am so crushed!

A shot in the dark,...try charging the battery.  It could be that the RF lens needs more power or higher voltage on those contacts to start up its electronics.

Battery could be at a pretty low voltage if it was on the self for a long time.

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 ZX11's gear list:ZX11's gear list
Canon EF 85mm F1.8 USM Canon 70-200 F2.8L III Canon RF 35mm F1.8 IS STM Macro Canon RF 24-105mm F4L IS USM Canon RF 85mm F1.2L USM
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