Gambro Cobe Spectra, Essentials Manual

Page: 185 / 245

General Alarms and Troubleshooting
COBE
®
Spectra™ Apheresis System • Essentials Guide 12-53
RETURN FLOW TOO SLOW!
Alarm LED is red. Pumps stop.
This alarm occurs only during a Single-Needle Run mode.
RETURN FLOW TOO SLOW! Check return.
Increase return flow scale.
CONTINUE
Note: If you get repeated Single-Needle alarms, see “Repeated
Single-Needle Alarms” on page 12-2.
Probable Cause Action
Return pressure from the Return Flow Controller too low Ensure the Single-Needle bag is empty. Set the return flow scale to a value higher than the original. Press
CONTINUE .
Blood pressure cuff too tight Ensure the blood pressure cuff is set at 10 to 20 mm Hg.
Needle infiltration
-or-
Occluded access/return vein
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 .
Blockage in the return line or needle 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 .
Return Flow Controller not properly set 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.
Return pressure sensor malfunction Note the alarm message. Discontinue the procedure. Notify a qualified service technician of the alarm
message.