Chapter 5 Troubleshooting
HA-8190V 5-22
5.4 Abnormal Result Messages
The following messages appear on the display if inaccurate measurement results are obtained. Measurements will
continue.
Temperature control
Cause • The room temperature is outside the measurement environment temperature range of between 10°C
and 30°C.
• The temperature controlling unit did not operate properly.
Low optical unit light
Cause • Whole blood sample was measured with a rack for hemolysis sample.
• The hemoglobin concentration of the sample is too high.
• Air bubbles have formed in the optical unit cell.
• The light source has degraded.
Rising pressure in HP tube *HP tube refers to “High pressure tube”.
Cause • The column or tube is clogged.
Lower pressure in HP tube *HP tube refers to “High pressure tube”.
Cause • Air has entered the fluid pump.
• Fluid is leaking from the eluent tubes or fluid pump.
S-A1c early retention time
Cause • The eluent has degraded or the wrong bottle cap has been fit on the wrong eluent pack.
• The column has degraded.
S-A1c late retention time
Cause • Fluid is leaking from the eluent tubes or fluid pump.
• Air bubbles have formed in the fluid pump check valve.
• The eluent has degraded.
• The column has degraded.
S-A1c R. time fluctuation
Cause • Fluid is leaking from the eluent tubes or fluid pump.
• Air bubbles have formed in the fluid pump check valve.
• The wrong bottle cap has been fit on the wrong eluent pack.
HbA0 retention time
Cause • Fluid is leaking from the eluent tubes or fluid pump.
• Air bubbles have formed in the fluid pump check valve or optical unit cell.
• The wrong bottle cap has been fit on the wrong eluent pack.
L-A1c Tail abnormality
Cause • The column has degraded.
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