Question about Texas Instruments TI-83 Plus Calculator

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Batteries drains quickly

My batteries will only last a couple of days if left in the calculator. It's like it is draining even though it had been turned off. I have to remove the batteries after I use it every time to keep it from draining. I'm using good/new Duracells

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Anonymous

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I had something similar, it kept saying "battery low" after putting in new batteries. Try the Clear method; Take out one battery, hold the Clear button, while holding it insert the battery again and press on, and release. Now press clear again, turn it off and turn it back on again. If that doesn't help... well it must be something else... sorry :S

Posted on May 31, 2007

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Battery fully charged, bike turned on after, but on 2nd try after couple of hours, no power


Based on what you've said here I would say that either the battery is incapable of maintaining a charge or something is draining the battery. To test to see if something is draining it, disconnect the positive cable and put an ameter between the cable and the battery to see what current is being 'used' when the ignition switch is off. It should read ZERO amps. If there is current flowing then something is draining the battery - pull fuses to find the culprit. If the drain shows ZERO amps then it's possible the battery is tired and needs to be replaced. Motorcycle batteries don't usually last more than a few years.

I hope this helped. Sorry for any typos.

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Hi,
Check that the terminals in the battery compartment are clean and shiny. Remove any powder left after battery leakage. Insert fresh batteries in calculator. Make sure you respect the polarity diagram. +-+- (Many malfunctions come from incorrectly placed batteries).

After replacing batteries, calculator is restored to defaults and screen display may be too loght or too dark

To adjust the screen: Darken or lighten display

To darken screen
Press [2nd] key and release it.
Press and hold [UpArrow] until screen is dark enough.

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1 Answer

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Hello,
Hope is what keeps the world turning.
Clean the electrical terminals even if they seem shiny. Use a clean eraser tip of a pencil.

Insert the main batteries.
If you see the line again, press [CLEAR] to see if it disappears.
Try resetting the RAM by pressing [2nd][MEM][7:Reset][1:All Ram][2:Reset] [ENTER][ENTER].

If screen is too light or too dark, adjust the contrast:
Press [2nd] key and release it
Press and HOLD Arrow (UP to darken, or DOWN to lighten) the screen.

If that does not solve the problem you may have to force the calculator to boot up. Details are in the article . Read the part on Ti83Plus family.
The article contains links to additional articles.
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1 Answer

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use OBD11 scan tool for ease of work which scan the brain box if there is stored mal function


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1 Answer

HP48SX Battery drain


Hello,


I suggest you use rechargeable batteries. They usually drain faster than the alcaline ones anyway.So have 2 sets of rechargeable batteries. Evaluate the number of days a set lasts. Insert the charged batteries before the old ones are thourougly drained.

The life of your batteries in the calculator depends on the usage.

About repairs: I am convinced that it will cost you more to have it fixed than to buy a new HP calculator (HP 49g*'s, HP 50g* 's).

Hope it helps.





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The same thing happened to mine. Although it's dual power if the battery dies it won't work. Unscrew the back off the calculator and you will see a flat button battery, replace it and it will work again.

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1 Answer

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Hello,
There is an HP customer self repair (CSR) which you can contact. On the site it is sais that the service is available for products under warranty or on contract. but you have nothing to lose by contacting them. Here is the link to the web site
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