Processing
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TRA Operator’s Manual 20077/021 US 5-19
Touch the Mute button (located at the far left of the button bar) to silence the alarm for
45 seconds.
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Wash Bag Empty
The Wash Bag Empty warning is triggered during the Wash phase if air is detected in the wash line.
Also refer to “Wash bag empty” on page 14-9.
However, when Popt, Pstd or Post-op protocols are in use, the warning is not triggered if at least 90%
of the pre-set volume of washing solution has been transferred to the bowl. This tolerance allows the
Wash phase to conclude even if the actual volume of washing solution is slightly lower than the
pre-set volume.
When triggered, the acoustic sequence sounds, the message “Wash bag empty” is displayed in the
message area of the current screen, the processing displet of the Wash phase is highlighted with a
yellow outline, and the phase is paused (see Figure 5-24).
Figure 5-24 Wash Bag Empty Warning
If the wash bag is empty, proceed as follows:
1. Replace the wash bag.
2. Touch the Play button to resume the Wash phase.
If the wash bag is not empty, proceed as follows:
1. Check that the connections are properly sealed and ensure that the line between the saline
solution bags and the bowl is not occluded.
2. Check that the tubing going to the bowl is properly inserted in the air detector.
CAUTION
The use of the Last Bowl function is recommended only to complete the case
with the following conditions: the blood collection reservoir is empty, no more
blood is expected to be further collected, and sufficient red cells are available
in the RBC bag to complete the concentration phase.
WARNING
In case a bowl only partially filled is washed, the hematocrit of the
collected blood will be lower than expected, and the removal of
waste components might be lower than expected.
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