"Error 1" or "Error 2" typically indicates a signal loss from the glass scales. Clean the scales with a lint-free cloth and isopropyl alcohol if they are contaminated with coolant or chips.

If the A163 is behaving erratically:

A common pitfall for new users is forgetting to zero the "Z" axis if it lacks a dedicated readout display but still has a button. Always reset your axes to zero before beginning a layout to prevent cumulative errors. 2. Core Functions & Key Operations

The A163 has a “stacked” memory architecture that confuses new users. Here is the direct translation of the original manual’s operation section.