My scale is fluctuating with no weight on it.
Ensure your scale is on a flat and sturdy surface while weighing items. If you are using an adapter, be sure to use Escali's power supply. The power adapter for the M-Series can be purchased from the accessories section (https://escali.com/accessories).
Valid for M-Series NSF Multifunctional Scales. Model #: M6630, M3315, M136