EOS R5 Freeze /lock up issues

AlanF

Hands. Face. Space.
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Aug 16, 2012
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Never had a freeze or lock up yet using my 70-200 f/2.8 II lens or any other lens. Been shooting 500+ images daily with a 600mm IS II lens and other small lens like the 70-200, RF85mm, 24-70II, 16-35 f/4, 14mm II f/2.8 or my macro lens. Just saying....
Some reports are that a batch of Sandisk CFexpress is causing the problems.
 
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VegasCameraGuy

EOS R5
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Jul 9, 2020
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Some reports are that a batch of Sandisk CFexpress is causing the problems.
I've heard the same rumors before but knock on wood haven't experienced it myself. I'm currently using the Sony Tough CFx cards with no issues. I'm also using the Sony SF-G64/T1 hi perf SD cards for my JPGs. I've never tried the Sandisk CFx cards but have had good luck with their SD cards.
 

Mt Spokane Photography

I post too Much on Here!!
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Mar 25, 2011
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Some reports are that a batch of Sandisk CFexpress is causing the problems.
I've also seen reports of Sony Card users having lockups. I have not used my camera much and that was with my Lexar SD card. I just received a Prograde Cobalt CFexpress card but have less than 100 shots with it.
 

Mt Spokane Photography

I post too Much on Here!!
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I just checked and one Fred Miranda forum member has lockups with Prograde and Lexar V60 SD cards. Its a replacement camera for the original one that locked up.

Something is strange. Not a lot of people with frequent lockups but a significant number. There are many Sandisk users with issues, it is one of the recommended cards so there are many users with Sandisk.
 

koenkooi

EOS R
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Feb 25, 2015
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I've heard the same rumors before but knock on wood haven't experienced it myself. I'm currently using the Sony Tough CFx cards with no issues. I'm also using the Sony SF-G64/T1 hi perf SD cards for my JPGs. I've never tried the Sandisk CFx cards but have had good luck with their SD cards.
Same setup here: 128G Sony CFe + 64G Sony SD, so far no lockups. Amazon had deep discounts for both, otherwise I would've gone for Prograde or Delkin CFe cards.
 
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VegasCameraGuy

EOS R5
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Same setup here: 128G Sony CFe + 64G Sony SD, so far no lockups. Amazon had deep discounts for both, otherwise I would've gone for Prograde or Delkin CFe cards.
Also keep in mind that B&H will discount your order by the state sales tax if you use their PayBoo credit card. Of course if you don't pay it off in the first month you'll pay some high interest rate. If you are a stills photographer, the 128Gb card will hold about 2,800 RAW shots. I was going to get a 64Gb CFx but the write speed is much less.
 
Feb 15, 2020
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What has me a little concerned is that Canon seems to think it is necessary to replace the main PCB or even the entire camera when these lockups are happening. Is this just a stop gap until a new firmware is available to fix the issue or is something physically defective with these cameras?

I haven't had a lockup with mine yet, but it is a little worrying..
 

koenkooi

EOS R
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Feb 25, 2015
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What has me a little concerned is that Canon seems to think it is necessary to replace the main PCB or even the entire camera when these lockups are happening. Is this just a stop gap until a new firmware is available to fix the issue or is something physically defective with these cameras?

I haven't had a lockup with mine yet, but it is a little worrying..
I’ve seen this happen at a previous job, the customer would swap mainboards for their customers, just to be seen doing something, anything. Some of the boards were indeed faulty, but mostly it was user error or software bugs. Replacing them made people happy with the customer service.

For Canon specifically, the shuttershock issue on the new EF600 also went through the ‘we’ll replace the mainboard’ phase till Canon HQ admitted there was a problem and would issue a firmware update.
 
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YuengLinger

Sufficiently Pixilated
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Dec 20, 2012
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I had a mainboard replaced on a 5DIII. It is a quick, universal fix that often eliminates the labor costs of troubleshooting.
 

JPAZ

If only I knew what I was doing.....
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Sep 8, 2012
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Using ProGrade 128 CFExpress + Lexar Pro 64 UHS-II. In fairness, not a lot of shots but so far, so good. Over the years, I only used Sandisk, so this is a new "adventure" for me.

If I ever get a "lock up," will share here.
 

Mt Spokane Photography

I post too Much on Here!!
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I had a mainboard replaced on a 5DIII. It is a quick, universal fix that often eliminates the labor costs of troubleshooting.
Yes, Canon ships them to a company that tests and refurbishes them, someone else will get your mainboard at some point assuming it was repairable, or a ebay seller will resell it. Canon uses refurbished parts for repairs unless a new part is needed. Appearance items are new.
 
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