HemoCue Hb 301, Operating Manual

Page: 31 / 56

31
Symptom Explanation Action
Measurement on patient samples are
higher or lower than anticipated. 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 been changed.
1. See section Measuring in this manual.
2. Check the expiration date and the storage conditions of the microcuvettes.
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 your distributor.