The pan simply sits on four pegs or a central cone. Ensure it clicks into place and does not wobble. Test by gently pressing corners – the pan should not touch the scale housing.
| Code | Meaning | Fix | |------|---------|-----| | Err or EEEEE | Overload (over 500g) | Remove weight immediately | | LO | Low battery | Replace batteries (usually 2× AAA) | | Unstable (display flashing) | Movement or draft | Still the scale/close windows | | OUTZ | Zero range exceeded | Clear the pan & re-tare | digi sm-500 scale user manual
| Message | Meaning | Action Required |
|---------|---------|----------------|
| 0.00 or 0.0 | Normal zero reading | Ready to weigh |
| EEEEE or O_Ld | Overload (>500g + tare) | Remove weight immediately |
| LO | Low battery | Replace batteries |
| UnSt | Unstable environment (vibration/wind) | Move scale to stable surface |
| CAL or CAL E | Calibration error | Repeat calibration; check weight |
| _ (dash) or Err 2 | Initialization failure | Turn off, remove pan, restart |
| tArE flashing | Tare memory full (max capacity remaining < 0) | Remove all items, press TARE to reset |
| PCS Err | Average piece weight too low (<0.01g) | Use larger sample size | The pan simply sits on four pegs or a central cone
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