GE Datex-Ohmeda Aisys Carestation Reference Manual page 157

5 Calibration
Troubleshooting Paw Span Calibration Failure
The Calibration will fail if the:
• ADC value calculated for span is outside the range of 21000-27000 counts.
Possible causes for calibration failure:
• Occlusion or moisture in bulkhead or tubing to VIB transducers.
• Pressure transducer outside of range limits – Check Service Application for
A/D value.
M1046983 04/08 5-19