Scale won't register my weight anymore, something not working

Taylor digital scale, Model # 5721F
Taylor electronic scales are designed to measure your personal weight, as well as your body fat and water weight. Your scale will measure in either pounds or kilograms, indicating your weight to the nearest ounce or gram. You can use the scale as a weight only device or you can take advantage of its bells and whistles by completing the programming process. The scale will store data for up to 10 users. Setup takes only a few minutes.
Set the scale to your choice of kilograms or pounds. The default measurement for the scale is pounds/inches. To change this setting, change the switch on the underside of the scale to kilograms.

It's important to find the model number to be able to find the correct manual. Below is a link to FAQ's about Taylor body fat scales.
If you do a google search for "taylor body fat scale" you will see a list of a few models. Examine each to see if one of them is the same as yours.
Taylor USA FAQs Scales

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scale won't weight after resetting.

you can purchase a manual of Taylor 5599 440 Pound Tempered Glass Body Fat-Body Water Scale on ebay or in amazon...http://www0.dealtime.com/taylor-glass-body-fat-scale-manual/products

Is a measurement to determine a persons weight over height the formula is weight(KG) / height(METRES), a normal healthy person should have a bmi of 18.5 to 25 anything above this means the person is fat to obese

mcdevito75 here, Double check the battery placement, 1 or more batteries may be installed in--correctly.

1. Take out the battery
2. Put scale on hard surface
3. Stand on scale for five seconds
4. Put battery back in
5. Tap your foot on scale to make 00000 appear
6. When the 00000 disappear tap your foot on scale again and then stand on scale till your weight appears

If this does not work the first time (it has always worked the first time with my scale) the repeat the steps a second time. If the second time does not work call the company because something else is wrong.

Bring it back love..it's obviously ****..if u can not balance it out(usually there is a button) or reset the thing...bring it back and spend a lil bit more on something better..u seem serious about your body which is awesome so keep it up and replace the device

"Fitnessbalan" posted the answer to your problem -- instructions for the unit in a pdf format: http://personalcare.owneriq.net/mdownloads/500eae21-4ecd-4504-9c69-a27dc677644a.pdf

You can download a copy here. http://personalcare.owneriq.net/manuals/mfg/taylor/5582.html?s=fpw