HemoCue Hb 201+ Manuel D'utilisation page 32

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 expiry 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 analyser has been changed.
8. The controls are beyond their expiry dates or have
been improperly stored.
1. The microcuvettes are beyond their expiry date,
damaged or have been improperly stored.
2. The optical eye of the microcuvette is contaminated.
3. Air bubbles in the microcuvette.
4. The optronic unit is dirty.
5. The calibration of the analyser has been changed.
Action
1. Check the expiry 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 using the HemoCue Cleaner.
6. Only use controls intended for the HemoCue Hb 201
system recommended by HemoCue.
7. The analyser needs service. Contact your distributor.
8. Check the expiry date and the storage conditions
of the control. Take a new microcuvette and repeat
the measurement.
1. Check the expiry date and the storage conditions of
the microcuvettes.
2. Remeasure the sample with a new microcuvette.
3. Check the microcuvette for air bubbles. Remeasure the
sample with a new microcuvette.
4. Clean the optronic unit using the HemoCue Cleaner.
5. The analyser needs service. Contact your distributor.
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