Return Flow Too Slow - Gambro Cobe Spectra Essentials Manual

RETURN FLOW TOO SLOW!

RETURN FLOW TOO SLOW! Check return.
Increase return flow scale.
Alarm LED is red. Pumps stop.
Probable Cause
Return pressure from the Return Flow Controller too low
Blood pressure cuff too tight
Needle infiltration
-or-
Occluded access/return vein
Blockage in the return line or needle
Return Flow Controller not properly set
Return pressure sensor malfunction
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COBE Spectra™ Apheresis System • Essentials Guide
CONTINUE
Ensure the Single-Needle bag is empty. Set the return flow scale to a value higher than the original. Press
CONTINUE.
Ensure the blood pressure cuff is set at 10 to 20 mm Hg.
Remove the needle and perform a new venipuncture with a new needle. If using the Single-Needle ELP, LRS,
or LRST disposable tubing set, the product will be a 24-hour platelet product unless you attach the new needle
using an approved sterile connection device.
Reposition or replace needle if necessary. If using the Single-Needle ELP, LRS, or LRST disposable tubing set,
the product will be a 24-hour platelet product unless the you attach the new needle using an approved sterile
connection device. Ensure the Single-Needle bag is empty. Press CONTINUE.
Check for restrictions such as kinks, clamp, or clotting in the return line or access/return needle. Ensure the
Single-Needle bag is empty. Press CONTINUE.
Ensure the Single-Needle bag has no kinked or twisted lines. Reset the return flow scale to the number the
Spectra system indicated at the beginning of Run mode. When the Single-Needle bag is empty, ensure the
Return Flow Controller returns to the proper bag empty position.
Note the alarm message. Discontinue the procedure. Notify a qualified service technician of the alarm
message.
This alarm occurs only during a Single-Needle Run mode.
Note: If you get repeated Single-Needle alarms, see "Repeated
Single-Needle Alarms" on page 12-2.
Action
General Alarms and Troubleshooting
12-53