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: Technical specs for Ethernet (Coaxial/Twisted Cable) and RS232C interfaces used for linking the scale to POS systems or label printers. Common Service Files & Programming
The service manual often concludes with a maintenance schedule to prevent failures before they occur: digi sm320 service manual
If you need to replace a blown fuse, a faulty keypad membrane, or the main PCB, the service manual includes exploded view diagrams. These show you exactly how to disassemble the casing without snapping plastic clips or damaging ribbon cables. : Technical specs for Ethernet (Coaxial/Twisted Cable) and
Enter Service Mode (as described above). Step 2: Navigate to Calibration Menu (often menu 30 or 88 – check your manual). Step 3: The display will show Unload . Ensure the platter is empty. Press [ENTER] . Step 4: The display will show Load XX.XX kg . Place the first test weight. Press [ENTER] . Step 5: If multiple points are required, repeat step 4. Step 6: The scale will save calibration to EEPROM. Exit service mode. Step 7: Verify with a test weight that the reading is within tolerance. Enter Service Mode (as described above)
| Menu Code | Function | |-----------|----------| | 01 | Display & Keypad Test | | 02 | Load Cell A/D Value (mV/V) | | 03 | Printer Mechanism Test | | 04 | RS-232 & USB Communication | | 05 | Factory Reset (Use with caution) |
The service documentation typically covers the following critical areas for authorized technicians:
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