Nikon D100 in the lcd screen on top it keeps saying CHA and wont shoot anything

Format the card in the 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.

Hi,
looks like you don't have the aperture ring on the lens set & locked to the minimum aperture. I believe there is a red marking for the smallest aperture on the lens (has the largest f/-number, depending on the lens, could be 22 e.g.) and you can lock this in with a tiny switch. This setting is needed to allow the automatic exposure to work properly and can lock the camera down if not set.
-GP

Hello, The problem is with either the card you are using or the pins inside the camera. Here is an answer that was posted on 3/30/09

Nikon D100

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.

I had the same problem and thought I had looked closely at the pins in CF slot but after finally taking it to a repair shop, the tech showed me a bent pin. It really wasn't that apparent first time around. He told me its a common problem as long as they use the CF cards. I had the pins replaced and my D100 is working great. Best of luck.

The D100 does not have a Live View capability. The screen can be used for menus and image reviews, not previews.

You can always try the reset button. It is under the flap where the USB/Video out/ and power connector is. It is just above the power connector.

First read:
http://www.vandyll.net/?p=499

Then read how, with pics: 
http://www.stephanmantler.com/wordpress/d70s-camera-repair/en/

Careful now....

Mine too. It's a worn-out selector switch. Jiggle it and it'll work again. Time delay same. Our college has four Nikon D100s with this problem. Poor switch contacts.