Take a slightly damp cloth and wipe the soles of your feet. They should be moist, but not dripping wet. Try the measurement again immediately. 3. Proper Stance and Contact

Reinsert the batteries (ensure they are high-quality alkaline batteries, as low voltage can cause Err7).

Your feet aren't aligned correctly with the electrodes.

Troubleshooting Tanita Scale Error 7: Causes and Fixes for Your Smart Scale

The internal software needs a hard reset after being unboxed. Step-by-Step Troubleshooting Guide 1. The "Level Ground" Check