Let the system cycle through its internal memory formatting. Reconfigure your SPEC options and network parameters from scratch once complete.
Remove the weights. Turn off the scale. Flip the SPAN Switch back to the OFF position. Replace the security seal plate and power the scale back on to verify standard weighing. 4. Error Code Troubleshooting Matrix
Standard interfaces include RJ45 (Ethernet), RS-232, and RJ9 for cash drawers. DIGI (TERAOKA) 2. Maintenance and Service Procedures Digi Scale Gap Sensor Calibration
Calibration should be performed annually or whenever the scale is moved. digi sm320 service manual
6 kg, 15 kg, or 30 kg dual-range capacities.
Check if the platter is rubbing against the housing. Ensure the load cell is not physically bent or overloaded. RAM or EEPROM read/write failure Perform a memory clear (cold boot) or replace the Main PCB. Printer Jam / Blank Labels Incorrect label loading or dirty sensors
Check if the Link LED on the mainboard is active. Verify the IP address matches your network subnet. Drafts, vibrations, or unstable power supply. Let the system cycle through its internal memory formatting
Test the wall outlet voltage. Check the internal fuse on the power supply module. Measure DC output rails.
Have you successfully repaired a Digi SM320 using the service manual? Share your experience below or contact a certified technician for complex motherboard-level repairs.
4-wire or 6-wire shielded cable carrying the excitation voltage and returning the microvolt signal. Turn off the scale
Remove the weights, cycle the power, and test accuracy using fractional weights. 📟 Diagnostic Error Codes
The DIGI SM-320 is designed to be a connected device in a modern store, which is where the service manual becomes truly valuable.
The Digi SM320 is a 3 1/2-digit digital multimeter that measures DC voltage, AC voltage, DC current, resistance, and continuity. It's a relatively old device, likely produced in the 1990s or early 2000s.