Return Pressure High - Gambro Cobe Spectra Essentials Manual

General Alarms and Troubleshooting

RETURN PRESSURE HIGH.

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RETURN PRESSURE HIGH.
Warning LED is yellow.
Probable Cause
Blockage in return line or needle
Occluded return vein
Needle too small
– or –
Inlet pump flow rate too high
Return pressure alarm limit too low for current operating
conditions
Power failure, causing the Spectra system to shut down
12-54
To override the warning for 60 seconds, press CLEAR.
This warning occurs when pressure in the return pressure sensor
measures 50 mm Hg below the shutdown alarm level.
Check for kinks in or clamps on the return line, or clots in the return needle.
Check the return needle site.
Lower the inlet pump flow rate.
Increase the return alarm limit if you changed it earlier in the procedure. Ensure the return needle is not
infiltrated.
Start a saline drip immediately.
If the power returns within a reasonable period of time, perform the actions for the third Probable Cause under
"RETURN PRESSURE HIGH! Check return line and needle." on page 12-55.
If the power does not return within a reasonable period of time, perform manual Rinseback and then
disconnect the donor/patient. See "Manual Rinseback Procedure" on page 11-8.
Action
®
COBE Spectra™ Apheresis System • Essentials Guide