I have had this scale for 7 months. It seems to do a good job of showing my weight. However, it rarely gives anything other than error codes for body fat % and body mass index. I follow all the instructions for set up and use. The only time I get anything other than ERR2 or ERR4 for body fat % or BMI is if I use the scale immediately after stepping out of the shower. I've tried dampening my feet and all the other suggestions but nothing else works.

When it does show a body fat %, the number is not even close to being accurate. I have calculated my body fat % using other methods and the Omron doubles the result.

I could have gotten a digital scale for weight only for a lot less. Get more detail about Omron HBF-400 Body Fat Monitor and Scale.