RADIOMETER ABL800 FLEX Operator's Manual page 302

11. Troubleshooting
Analyzer messages,
Messages at
manager level
(continued)
11-20
Continued
No. Message
475 No sample
in Oxi
liquid
sensor
within time
limit
476 Measure-
ment
unstable
478 pCO
2
drifting
480 pO drifting
2
ABL800 FLEX Operator's Manual
Interpretation
The sample did not fill
the oximetry module
properly.
The electrode response
fault occurred during
measurement.
The pCO drift value
2
exceeds the user-
defined limits + 0.3
kPa during flush.
The pO drift value
2
exceeds the user
defined limits + 0.3
kPa during flush.
Operator action
- Check the sample for
clots.
- Ensure sample volume
matches the selected
sample mode.
- Perform the Fluid
Transport Troubleshooting
procedure.
- Check for and remedy
other errors in System
Message or Calibration
Status.
- Repeat the measurement.
- Perform any pending
replacements, including
electrodes.
- Ensure the electrode is
properly installed.
- Ensure the analyzer is
properly grounded.
- Perform QC. If the QC
result value is within the
control range, the blood
sample may be suspected.
Continue troubleshooting.
- Perform the Electrode
Troubleshooting procedure.
- Call 1-point calibration.
- Check for and remedy
any specific errors in the
last calibration result, then
call another 1-point
calibration.
- Contact Radiometer
service representative.
Continued on next page