Reinsert the batteries (ensure they are high-quality alkaline batteries, as low voltage can cause Err7).
BIA technology requires a certain amount of conductivity. If your skin is very dry or calloused, the electrical signal can't enter the body. tanita scale error 7 new
Your feet aren't aligned correctly with the electrodes. tanita scale error 7 new
Sometimes the firmware on a new unit gets stuck in a loop during the first few uses. Remove the batteries. Wait at least 60 seconds. tanita scale error 7 new
Here is a comprehensive guide to understanding what Error 7 means and how to resolve it. What Does "Error 7" Actually Mean?