Question about Nikon D50 Digital Camera with 18-55mm Lens

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Put in memory card flashes CHA and says card locked

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SD and SDHC cards have a slide switch along one edge. The position farthest from the contacts locks the card, protecting it from writes. The position nearest the contacts unlocks the card. If the switch is already in the proper position, slide it fully the other way and then back again. Put the card back in and format it.

Posted on Jul 28, 2010

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1 Answer

Why does new memory card displays CHA?


The "CHA" means the camera cannot read the card here are a couple of reasons why this may occur. The most probable is that the card didn't seat properly when you put it in so try reseating it.
CHA can also mean that the camera has detected an invalid partition type. Reformatting the card may allow it to be used.

Jul 25, 2014 | Nikon D Cameras

1 Answer

Exposure button no longer working.


When you insert the card and get the CHA Flashing error, remove the card and format it. Reinsert it again.
Should work.

Also, if it doesn't work, there is a strong possibility there's a broken or bent pin in the memory card section of your camera. Just look closely and inspect that section to see if there's a broken or a bent pin.
This happens when you forcibly insert the card the wrong way. This has happened to a lot of users.

Oct 20, 2007 | Cameras

1 Answer

My camera wont take pix says slide lock to write position, when I do that it display "CHA" don't know what that means and still can't take pix


CHA also means the card cannot be used for other reasons. F.i. the card can be damaged. Try to format the card. That is, when you could use the card before. If you bought a new card, Make sure it is not a SDXC card, because your camera only allows MMC, SD and SDHC cards. If nothing helps, also look in the memory card holder, if nothing strange is in there, or the sensor that looks for the lock, is functioning correct. If you don't know how, please visit or contact a Nikon-Authorised service centre.

Feb 13, 2014 | Nikon D5000 Digital Camera

1 Answer

What does CHA mean


Nikon says this about CHA:


When a Memory card is inserted into a D-SLR camera, the camera checks the card for compatibility and usability. There are three possible results of the test:

1) Camera detects valid Memory card, displays number of remaining images in top LCD

2) Camera displays "FOR" in top control panel LCD. The camera has detected a valid disk partition map, but was unable to read the first sector of the Memory Card. Formatting the memory Card using the cameras format option, should resolve this condition and allow the Memory card to be used.

3) Camera displays "CHA" in top LCD. The camera has detected an invalid partition type or is not working properly. Reformatting the memory card may allow it to be used. If an approved memory card causes the camera to display the "CHA" indicator contact the memory cards manufacturer for assistance.

(Nikon's list of "approved" memory cards can be found here.)

Please note that the default disk format used in Windows XP is FAT32 and if a card is formatted with this setting on an XP system, a D1 series camera will report "CHA". Reformat the card as "FAT" to use in the D1 series camera.


When the CHA error is shown, typically the camera will freeze and require that the battery be removed from the camera before it can take another picture. After that picture has been taken, the camera freezes up again for many owners.

Some owners have success removing and either re-seating or inserting a new memory card in the camera.

Some owners have success clearing the error by removing the lens and then reinstalling.

The key to these "fixes" is that they don't all work for everyone. You might need to return the camera to Nikon for repair. You can arrange for Nikon service here.

I hope this helps and good luck. Please rate this reply
. Thank you.

Apr 06, 2011 | Nikon D90 Digital Camera with 18-105mm...

1 Answer

CHA flashing on readout screen. Battery is fully charged. What does CHA mean?


If there are brackets around the CHR, it means the card is locked. SD cards have a slide switch along one edge. The position farthest from the contacts locks the card, protecting it from writes. The position nearest the contacts unlocks the card. If the switch is already in the proper position, slide it fully the other way and then back again.

If there are no brackets around the CHR, it means the camera cannot read your memory card. Try a different card.

Dec 12, 2010 | Nikon D70 Digital Camera with 18-50mm Lens

1 Answer

Took the memory card out of my camera yesterday. when i put it back in it displays CHA on the screen. what happened? i can't use my camera.


The CHA error indicates an issue with the memory card in the camera.

Try another card and see if that works ok.

Also, always format cards in the camera.


In case the error comes back on a new card, you will need to send the camera to Nikon.

I will appreciate your feedback and positive rating for this free solution.

Sep 30, 2010 | Nikon D100 Digital Camera

2 Answers

Nikon D50 Digital Camera. I cannot take a picture, the letters CHA are flashing on the screen.


SD cards have a slide switch along one edge. The position farthest from the contacts locks the card, protecting it from writes. The position nearest the contacts unlocks the card. If the switch is already in the proper position, slide it fully the other way and then back again.

If that doesn't do it, try a different card.

Aug 27, 2010 | Nikon D50 Digital SLR Digital Camera with...

1 Answer

CHA?


I found this answer on the Nikon web site.

3) Camera displays “CHA” in top LCD. The camera has detected an invalid partition type or is not working properly. Reformatting the memory card may allow it to be used. If an approved memory card causes the camera to display the "CHA" indicator contact the memory cards manufacturer for assistance.

Please note that the default disk format used in Windows XP is FAT32 and if a card is formatted with this setting on an XP system, a D1 series camera will report "CHA". Reformat the card as "FAT" to use in the D1 series camera.

Jul 11, 2009 | Nikon D70s Body Only Digital Camera

2 Answers

Nikon D70, displaying error code 'CHA' when memory card inserted. Unable to format or use memory card. Have tried new memory card, still same problem.


CHA errors indicate a communication issue with the CF card. Your card could be going bad, you could have a broken pin, or any number of other problems.

I'm running into this same problem now. If anyone has a good step-by-step to troubleshoot which of the dozen things this error could be, I'd appreciate it.

For myself, I'm planning to start by trying a new CF card.

Sep 02, 2008 | Cameras

2 Answers

Nikon D80 "CHA"


Margie,

When you say it won't let you put it in, do you mean it won't fit in, physically or just that the CHA is on when it is in? If that is the case, you might look at the card and see if it is in 'locked' mode. If it is, it has to be unlocked before the camera can take a picture using that card. Also, your camera's information is available online from Nikon. Here is a link to the Owner's Manual for your camera body:

http://www.nikonusa.com/pdf/manuals/noprint/D80_noprint.pdf

If you want a printable version, you have to provide the website with your camera's serial number. You can do so here:

http://support.nikontech.com/cgi-bin/nikonusa.cfg/php/enduser/std_adp.php?p_faqid=14051

Nov 24, 2007 | Nikon D80 Digital Camera with 18-135mm...

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