Digi Sm320 Service Manual

The exact or symptom you are facing (e.g., scale won't zero, blurry print).

6 kg, 15 kg, or 30 kg dual-range capacities.

For troubleshooting electronic components. Calibration Procedures: Steps to ensure weighing accuracy. digi sm320 service manual

If the scale experiences firmware locks or database corruption, a full memory clear may be required.

The load cell converts physical weight into an analog voltage, which the Analog-to-Digital (A/D) converter transforms into raw digital counts. The exact or symptom you are facing (e

When the display prompts for the span weight (e.g., CAL 15 for a 15kg scale), gently place the certified test weights onto the center of the platter.

| Symptom | Likely Cause | Fix | |---------|--------------|-----| | No power LED | Fuse F1 (internal, 3A slow-blow) blown | Replace fuse; check for short on VBAT input | | TX LED blinks but no link | Antenna mismatch or coax damage | Test with dummy load; measure SWR (<2:1) | | Intermittent serial data | Loose terminal block screws | Re-torque; check for cold solder joints on DB9 | | Overheating | Failed thermal pad between PA and chassis | Replace thermal pad (1.5mm, 3W/mK) | | Firmware corrupt | Power loss during update | Use XMODEM recovery via bootloader (hold ‘DEF’ button at power-up) | Calibration Procedures: Steps to ensure weighing accuracy

Configurable via LAN (Ethernet) or optional WLAN (Wi-Fi 802.11a/b/g/n) for remote data loading. DIGI (TERAOKA) Operational Specifications High-speed thermal printing at up to 105 mm/sec with a resolution of 203 dpi. Memory Capacity:

The thermal printer is the most failure-prone component. The service manual details:

Wait for the stability indicator to light up. Press the [🔸 / Print] or [PLU] key to save the span coefficient data.