Hello,
I've been using my R8 for years for both photo and video without any issues. The other day I started filming my daughter singing at school (as I have many times before) and after a few seconds the camera heat warning went from 0 to overheat almost instantly. I got the "Movie recording stopped" screen followed by the message "Movie recording has been stopped automatically. Slow card write speed." I have filmed for over 20mins continuously and several long clips back-to-back without encountering this error. I formatted the card but got the same result. I was recording in 4k 29.97 so I changed it to 1080 29.97 and got a couple of minutes before the same thing happened. I took the camera home and tried more formatting and other cards as well as updating to the newest 1.6 firmware. The most I can get is 1-2min of recording before the same thing happens. The SD Card is warm if I remove immediately following the error. Please help!
R8 recording in 4K 29.97p Standard IPB
RF 28-70 2.8 IS STM
Original SD Card SanDisk Extreme PRO v90 128GB later tried Delkin Devices Prime v60 128GB and a SanDisk Extreme PRO v30 128GB
Canon LP-E17 batteries
