I bought a nikon coolpix L4 that works fine except that the settings revert to default every time I turn off the camera. The manual says it has a clock battery that is supposed to be recharged by the main batteries. It takes AA batteries. I'm using alkaline batteries. Please help.
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Re: clock battery won't recharge
Change to Ni-Mah rechargeables at the highest capacity you can find.
If still in trouble it will suggest the internal battery has died - and a replacement is a repair job which will be pricey if feasible
So just live without that feature.
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There are two possibilities. First, rechargeable batteries do not last forever. Take out your rechargeable batteries and replace them with non-rechargeable ones for test purposes. If your camera works ok, it may be that the camera's charger circuit has gone bad. Try charging your batteries on an external charger. If they charge, it is your camera's charger, if they do not hold a charge, it is probably time for new rechargeable batteries.
I am listing this tip for the Nikon Coolpix 995, but the tip is valid for all Nikon Coolpix models.
The Nikon cool pix settings are saved into an internal memory.
The internal memory is maintained by an internal rechargeable battery, that is recharged from the main Li-Ion battery. If you leave your Nikon overnight with no main battery, or if the Li-Ion batteries have drained, then the internal battery will also drain , resetting the clock and other settings, saved on the internal memory. The camera may even drain in about 6 hours depending on the camera, normally it takes at least 12 hrs to drain the clock battery. If the internal battery is resetting immediately, after you set the clock, or just after few minutes, then the clock battery must be replaced. The camera must be disassembled completely to replace the battery located on one of the two main internal boards.
Nikon says that the clock battery loosing charge is normal. I quote what they say on the publication titled " The Nikon Guide to digital photography with Coolpix" "…Backup battery of the clock The clock-calendar is powered by a separate rechargeable battery, which is charged as necessary when the main battery is installed. If the camera has been stored with the main battery removed for a long period of time, the clock may need to be reset. Once the main battery has been reinserted, the clock battery will recharge in several hours, during which time the main battery should be left in the camera."Original file: Download here If the clock does not work at all, and is resetting immediately, even though the Li-Ion batteries are fully charged, then the best thing to do is calling Nikon, at the number listed on the owners manual, telling them that you did not do any improper use of the camera, and trying to get the fault repaired as factory defect. That is not always possible, and the decision depends on Nikon customer service. See also: Nikon | Contacts Ginko.
You are using the wrong types of batteries (Alkaline, Ni-Cd or Ni-MH batteries are recommended for digital cameras) NOTE: don't mix different types.
The battery is out of charging cycles and won't retain charge. (Most rechargeable batteries can be charged only about 1000 times after which they won't hold charge)
The batteries aren't 'powerful' enough. (low quality rechargeable batteries with low capacity shouldn't be used on digital cameras, Always buy batteries specialized for cameras (from camera stores or studios))
The wrong battery type is selected in the camera's settings. (Most cameras let you select the type of battery you are using from it's settings. Browse through the settings and see if this is the problem)
The L4 uses two AA batteries. You can use disposable alkalines and lithiums, or rechargable NiMHs and NiCads. Make sure you use two of the same type. If you use rechargables, you'll have to charge them outside the camera using a separate charger.
I probably need more details but, it sound like when you remove the battery to recharge it, the clock loses any power it had. Most people have a second battery. When the first battery begins to lose power, they insert the fully charged battery so the clock is only without power for a few seconds. Try that.
It is either the capacitor, which stores the electric energy for the flash; or the flash bulb itself. Be careful with diy. If the capacitor is ok, it will give you a nasty shock when you touch the contacts. It is very dangerous and could cause serious injury.
I have the same camera & personally, I hate it. My camera does that all the time, sometimes, it takes a while for the picture to actually take. Try holding down the button for a while, that's what I have to do with mine. The camera sucks up all the battery energy with only a few picture takes which I really don't understand. I think that's also why it's cutting off while you're using it. Does the phrase, "Warning: Batteries exhausted" sound familar, especially right before the camera shuts off? Oh, & before I go, my personal advice to you is: Get a new camera. I don't even know why I bought mine, soon I'm getting a new one. Yay. I hope this helped you, sorry about the camera problems. Much luck! :D
Hold it to your ear and listing for the singing noise the capacitor should make when charging up.
If you cant hear this then it is dead
Flash units are integral to the main board usually
A new camera is the only cure.
However try Nikon Technical support before giving up completely