11. Troubleshooting ABL800 FLEX Operator's Manual
Analyzer messages, Continued
Messages at
manager level
(continued)
No. Message Interpretation Operator action
475 No sample
in Oxi
liquid
sensor
within time
limit
The sample did not fill
the oximetry module
properly.
- Check the sample for
clots.
- Ensure sample volume
matches the selected
sample mode.
- Perform the Fluid
Transport Troubleshooting
procedure.
476 Measure-
ment
unstable
The electrode response
fault occurred during
measurement.
- 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.
478 pCO
2
drifting
The pCO
2
drift value
exceeds the user-
defined limits + 0.3
kPa during flush.
480 pO
2
drifting The pO
2
drift value
exceeds the user
defined limits + 0.3
kPa during flush.
- 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
11-20
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