I've had a D70S since 2006. It's been a great camera with no problems until recently.
About 3 weeks ago several of the functions stopped working and the ON/OFF switch seemed to stop working. At first I could not turn the camera off. I removed the battery and reinstalled it and then the camera would not initialize or turn on. I tried a fully charged battery with the same results. Typically, when installing a charged battery, the green light on the camera back would flash momentarily and the display window on the top right would display the number of shots left on the memory card. This time the green light did not flash and the screen remained blank.
The next day I tried two different freshly charged batteries, and after about a minute the display would show up but the green light did not flash. The correct number of exposures left on the CF card were displayed. The camera seemed to work normally otherwise. After a few days, everything seemed to return to normal including the green light flashing when a charged battery was inserted.
After several weeks of appearing to work normally, it's having the same problems again. Yesterday after trying two different fully charged batteries, the LCD display would appear again after the camera sat for about 5 minutes. However, it did not display the correct number of exposures left on the CF card this time. Also, it will display a number of exposures left on a card when the card has been removed (should show an -E-). The card appears to be functioning normally when inserted into a card reader on my computer.
Yes, I tried that. It didn't seem to matter when the camera was having problems. I have not had problems with it in a couple weeks now. I wonder if humidity could be a factor? Both times it failed before it was an extremely humid day.
Thanks Anthony. I have the original battery plus another I purchased about 3 years ago. When the camera is operating normally, both batteries charged to full charge give me the expected amount of usage out of either battery. I just took about 180 photos using the built-in flash on the camera on a single charge on the original battery that came with the camera last weekend.
If it acts up again I may send it to Nikon to have them look at it.
I have several CF cards and they all seem to work fine. The problem started one night when I was out in a crowd. The second time it happened I was trying to transfer the photo files from the CF card to my computer via the mini-USB port on the camera itself. The download stopped and the camera locked up. I could transfer the files with a CF card reader in the computer.
I suppose there could be a problem with the interface chip between the CF card and the microcontroller in the camera. Typically, if I take the card out, the camera will display -E- showing there is no card in the slot. When it had problems, everything seemed frozen. If I removed both the battery and the CF card and then installed the battery with no CF card, it would take as much as 10 minutes for the camera to initialize and display the -E-. I don't know if it was having trouble accessing the CF card interface or not.
It's been doing fine for a couple weeks now. It's a mystery to me what was going on.
This isn't one of the typical things to happen but it might have to do with the D70s Achilles heel - connectors. Could be very simple. Or, yes, the camera could be failing. Please update the camera's status as you find things out.
In speaking with my local camera repair shop (I was having a CLA done on my camera), the tech mentioned that the batteries could be going south or the charger and that both should be tested to rule them out as possible causes to the problems.
I had the ON/OFF switch problem several years ago. I took it to Nikon here in Los Angeles and they had to replace the on/off mechanism and circuit. The camera was out of warranty, but they fixed it at no charge. Sending it for repair may be the only way to fix the problem.
I'd try a quick squirt of Isoclean on all contacts for the battery and card first. I've found Isoclean works wonders for any electrical equipment that relies on contacting surfaces from radio dials to PC USB connectors.
Just need to make sure to keep it clear of any optics!
Thanks. I've never used Isoclean but I have some Deox-It. I imagine it is a similar product and would do the same thing. Where would I get Isoclean?
>I'd try a quick squirt of Isoclean on all contacts for the >battery and card first. I've found Isoclean works wonders for >any electrical equipment that relies on contacting surfaces >from radio dials to PC USB connectors. > >Just need to make sure to keep it clear of any optics! > >Try at your own risk, but I find it works.
Thanks. If it does it again, I might go that route. It hasn't acted up for a few months now. Very strange. Everything has been fine. I have two batteries for it and, after a charging, I can take close to 200 flash shots with it on one battery before the battery dies. So I'm pretty sure the batteries are fine.
I am thinking there may have been a bit of corrosion on one of the pins in the CF card socket and after inserting and removing the CF card a few times, it wore off the corrosion.