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  1. #11
    Senior Member

    Re: Nikon D7100- Frustrating - "Err" message problem.

    Quote Originally Posted by hark View Post
    When this happens, is the viewfinder black? I have a problem with my first D750. After turning the camera on, the first image began producing an err message with the viewfinder being black. A second press allowed the mirror to go back down, and everything worked normally until the next time the body was turned on. What I found helped to resolve the issue (and has only happened a couple of times since during the past few years) is to make sure the camera goes into standby before it is turned off. If for some reason I turn it off before the body goes into standby, that usually happens.

    But if you are getting an err message on the top screen, that shouldn't have anything to do with your settings.

    Thanks Hark, sequence is 1/ press shutter button, nothing. 2/ press shutter button again, viewfinder black top screen displays data shutter operates, does not take a photo. 3/ press shutter button, camera functions as it should & takes good quality photo. Next we go back to 1 again for a complete cycle repeating all 3 steps and so on?


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  2. #12
    Senior Member

    Re: Nikon D7100- Frustrating - "Err" message problem.

    Quote Originally Posted by D'Grump View Post
    It seems like the "Err" message on Nikon cameras is just one bin for multiple problems. It kinda says "Hey there is some problem but I don't exactly know what it is. Maybe you can find out." So, you've got to start eliminating some things, and by the looks of it, you have. The D7100 has 2 card slots, and one of the things that "Err" points to is a memory problem. I would suggest that you remove both cards and put in one new card (or different good one) in slot 1 and see if you can recreate the problem. if yes, it's probably something else besides the memory cards. If no, remove the new card and put one of the old cards into slot 1 and try to recreate. If yes, probably that card is the problem (but put the second old one into slot 1 and try again to verify the second card is good or bad). If no, then repeat with the second card in slot 1. If yes, that card is suspect as well. If no, that card is probably OK. I wouldn't expect to find both cards with a problem, but who knows. If you find that after all of this the "Err" problem doesn't come back, then it's likely that there was dirt or oxidation on the memory card contacts either on the memory card itself or in the slots in the camera. If it was me, and the problem didn't come back after this exercise, I would probably get rid of both cards just as a proactive measure anyway. Good luck finding out what's wrong.
    Andy

    Thanks D'Grump,
    What you mention makes good sense & gives me something I can check before I take the problem further to Nikon.
    As I responded to Hark earlier the sequence of events is as follows:-
    1/ press shutter button, nothing.
    2/ press shutter button again, viewfinder black top screen displays data shutter operates, does not take a photo.
    3/ press shutter button, camera functions as it should & takes good quality photo.
    Next we go back to 1 again for a complete cycle repeating all 3 steps and so on?
    Frustrating as it is so predictable.

  3. #13
    Senior Member

    Re: Nikon D7100- Frustrating - "Err" message problem.

    Quote Originally Posted by BF Hammer View Post
    My infrared converted D80 is doing exactly as you describe since about 1 year ago. I also tried the suggestions here, no joy. It's old enough and beat enough for me to trash.

    But my research suggests that this is an electrical contact in the aperture control problem. As in a switch contact. But it is buried deep in the camera and it is not a quick and easy disassembly to reach. It can be fixed by Nikon, possibly even an independent shop could since a D7100 is likely out of warranty anyhow. The DIY reset hold the shutter release with the battery removed is worth a try, but does not work for all.
    Hi BF Hammer
    Thanks for your reply, I have tried the reset but no change, I have had some other suggestions from other Nikonites so will try them before I take the plunge & send back to Nikon for service.

  4. #14
    Senior Member

    Re: Nikon D7100- Frustrating - "Err" message problem.

    Nikon D7100- Frustrating - "Err" message problem.
    Quote Originally Posted by Needa View Post
    Hi Needa,
    Thanks for the suggestion, tried it but unfortunately it did not work, other Nikonites have given me other things to try before I return to Nikon for service/repair.

  5. #15
    Staff
    Super Mod
    hark's Avatar

    Re: Nikon D7100- Frustrating - "Err" message problem.

    Quote Originally Posted by Yormalda View Post
    Thanks Hark, sequence is 1/ press shutter button, nothing. 2/ press shutter button again, viewfinder black top screen displays data shutter operates, does not take a photo. 3/ press shutter button, camera functions as it should & takes good quality photo. Next we go back to 1 again for a complete cycle repeating all 3 steps and so on?
    Are you able to put the body into Mirror Up and look inside? Check to see if the shutter is visible (which it shouldn't be). Most likely the mirror is sticking.

    When my issue happened repeatedly with my first D750, I mentioned it here but never received any responses from anyone else who was experiencing this same problem. After searching online, I read one account of someone with the same thing happening. He sent his into Nikon where they replaced the shutter. Yet when he got it back, the same issue kept happening. He began to insist that Nikon replace the CPU. After back and forth with Nikon, the CPU was finally replaced which resolved his issue.

    So it sounds like either the mirror is sticking, or it might be a CPU issue. Can you try just putting it into mirror up over and over? If it sticks, then something is probably going on with the mirror mechanism. If the mirror goes up and releases properly, then it could be something with the CPU. Alternatively you could put the body into Live View. That will also flip the mirror up. Press the shutter a few times to see if the shutter clicks properly.
    Cindy - D750, D500, D7200
    My 2021 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci



  6. #16
    Senior Member

    Re: Nikon D7100- Frustrating - "Err" message problem.

    Quote Originally Posted by hark View Post
    Are you able to put the body into Mirror Up and look inside? Check to see if the shutter is visible (which it shouldn't be). Most likely the mirror is sticking.

    When my issue happened repeatedly with my first D750, I mentioned it here but never received any responses from anyone else who was experiencing this same problem. After searching online, I read one account of someone with the same thing happening. He sent his into Nikon where they replaced the shutter. Yet when he got it back, the same issue kept happening. He began to insist that Nikon replace the CPU. After back and forth with Nikon, the CPU was finally replaced which resolved his issue.

    So it sounds like either the mirror is sticking, or it might be a CPU issue. Can you try just putting it into mirror up over and over? If it sticks, then something is probably going on with the mirror mechanism. If the mirror goes up and releases properly, then it could be something with the CPU. Alternatively you could put the body into Live View. That will also flip the mirror up. Press the shutter a few times to see if the shutter clicks properly.
    Thanks again Hark,

    Tried using the camera in live view as you suggested, unfortunately the problem still remains the same in every detail.

    It's looking more like I will need to return the camera to Nikon for service/repair? $$$

  7. #17
    Staff
    Super Mod
    hark's Avatar

    Re: Nikon D7100- Frustrating - "Err" message problem.

    Quote Originally Posted by Yormalda View Post
    Thanks again Hark,

    Tried using the camera in live view as you suggested, unfortunately the problem still remains the same in every detail.

    It's looking more like I will need to return the camera to Nikon for service/repair? $$$
    Another question for you because I'm wondering if the Live View button might possibly be stuck. When this happens and the viewfinder turns black, does the rear screen show the image? If not, then it probably doesn't have anything to do with Live View.

    Here is how to put the body into Mirror Up (it's directions for the D7200 but should work exactly the same for the D7100):
    https://imaging.nikon.com/support/di..._mirrorup.html

    Did you try this?
    Cindy - D750, D500, D7200
    My 2021 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci







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