HemoCue Hb 201+ Manuel D'utilisation page 22

Symptom
Measurements on control
materials are out of range –
either too HIGH or too LOW.
Measurements on patient
samples are higher or lower
than anticipated.
Explanation
1. The microcuvettes are beyond their expiration date,
damaged or have been improperly stored.
2. The optical eye of the microcuvette is contaminated.
3. The control has not been mixed properly and/or is not
at room temperature.
4. Air bubbles in the microcuvette
5. The optronic unit is dirty.
6. The control is not suitable for use with the HemoCue
+
Hb 201 system.
7. The calibration of the analyzer has been changed.
8. The controls are beyond their expiration dates or have
been improperly stored.
1. Improper sampling technique
2. The microcuvettes are beyond their expiration date,
damaged or have been improperly stored.
3. The optical eye of the microcuvette is contaminated.
4. Air bubbles in the microcuvette
5. The optronic unit is dirty.
6. The calibration of the analyzer has changed.
Action
1. Check the expiration date and the storage conditions
of the microcuvettes.
2. Remeasure the sample with a new microcuvette.
3. Make sure that the control is mixed properly and at
room temperature.
4. Check the microcuvette for air bubbles. Remeasure the
sample with a new microcuvette.
5. Clean the optronic unit as described in the maintance
section.
6. Only use controls intended for the HemoCue Hb 201
system. Contact HemoCue, Inc. for control information.
7. The analyzer needs service. Contact HemoCue, Inc.
8. Check the expiration date and the storage conditions
of the control. Take a new microcuvette and repeat
the measurement from a new vial/bottle of control.
1. See pages 8-17 in this manual.
2. Check the expiration date and the storage conditions
of the microcuvettes. Check the entire system with a
commercial control.
3. Remeasure the sample with a new microcuvette.
4. Check the microcuvette for air bubbles. Remeasure the
sample with a new microcuvette.
5. Clean the optronic unit as described in the maintance
section.
6. The analyzer needs service. Contact HemoCue, Inc.
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