6-56 Rapidlab 1200 Operator’s Guide: Troubleshooting
02087462 Rev. V
D6 Codes
D6 Excessive Noise: pO
2
pCO
2
Problem Corrective Action
The sensor signal
has excessive noise.
The patient sample
result for the
affected sensor is
reported as question
result (-----?).
Correct any reagent problems such as D23 codes before you
attempt to correct this D code.
• Ensure that you did not open or apply pressure to the
measurement module door during analysis.
If you opened or applied pressure to the door during
analysis, repeat the sample analysis.
• Ensure that you did not apply pressure to the top cover
during analysis.
If you applied pressure to the cover during analysis, repeat
the sample analysis.
• Perform a successful calibration (1-point or 2-point).
• If a D6 for pCO2, with a drift greater than 4.0 mmHg, occurs
twice in a 4-hour period and no drift occurs for pO2,
perform QC analysis.
If the pCO2 result is out of range, replace the sensor.
• If a D6 occurs during sample analysis, repeat the sample.
• Deproteinize the sample path.
Refer to Deproteinizing the Sample Path‚ page 5-4.
• If the problem persists, replace the sensor.
• If the problem persists, call for technical assistance.
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