If the scale shows "Out of Zero" or inaccurate weights, you may need a software-based calibration.
202 x 32 pixel backlit FSTN LCD for both operator and customer. digi sm320 service manual
Before attempting any service, download or purchase the correct revision of the manual for your specific SM320 variant. Keep a printed copy near the scale for quick reference, especially the error code list and calibration flowchart. If the scale shows "Out of Zero" or
For official technical support or to request a full physical manual, you can contact DIGI America Support or DIGI Europe Support . SM-320 | Retail - DIGI (TERAOKA) digi sm320 service manual