Use this reference table to diagnose common faults reported by the internal diagnostics. Error Code / Symptom Probable Cause Corrective Action Overflow / Underflow of weight signal
Dual interval capacities (typically 6kg/15kg or 15kg/30kg).
Which (printer, load cell, mainboard) are you working on?
Do you need the exact for network or label configurations? Share public link
Turn on the scale while holding down the (or ZERO ) key, depending on your firmware version. digi sm320 service manual
The is a critical document for component-level repair, but it is difficult to source officially. Use this guide as a functional roadmap: focus on power supply, serial console recovery, and cellular module replacement. For most hardware faults, replacing the mainboard or upgrading to a newer Digi router is more cost-effective than locating the original manual.
The scale cannot establish an IP connection via Ethernet or Wi-Fi.
Label printing issues are the most frequent source of service calls. The manual highlights several critical adjustments. Thermal Printhead (TPH) Cleaning A dirty printhead causes faded lines or missing barcodes. Power down the scale. Open the printer cassette door. Use a lint-free cloth dipped in .
Houses the CPU, EPROM/Flash memory chips, RAM backup battery, and analog-to-digital (A/D) circuitry. ⚙️ Calibration Procedure Use this reference table to diagnose common faults
Digi SM-320 Service Manual: Complete Technical Guide for Scale Technicians
High-contrast LCD or LED pole/bench displays showing Tare, Weight, Unit Price, and Total Price.
Note: Calibration should only be performed using certified class M1/F1 test weights equal to the maximum capacity of the scale (typically 6kg, 15kg, or 30kg). 1. Clear the Platter
High-contrast LCD or LED pole/bench displays showing Tare, Weight, Unit Price, and Total Price. Do you need the exact for network or label configurations
If you do not already have a copy, visit the official Digi support website or contact Rice Lake Weighing Systems today. Save the PDF to your phone and your cloud drive. Print a physical copy and place it inside your maintenance logbook. Your future self—facing an "E-26" error during peak shipping season—will thank you.
: Provides detailed steps for scale configuration, setting IP addresses, and managing printer specifications for the DIGI SM-320 and SM-100 series. Technical Documentation Repository (OlegON Storage)
Regulates power to the thermal print head elements and controls the stepper motor for paper feeding. Span Calibration Procedure