Access Pressure Low - Gambro Cobe Spectra Essentials Manual

General Alarms and Troubleshooting

ACCESS PRESSURE LOW.

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ACCESS PRESSURE LOW.
Warning LED is yellow.
Probable Cause
Blockage in the inlet line or access needle
Occluded access vein
Inlet pump flow rate too high
Access pressure alarm limit too high for the current
operating conditions
Inlet pump flow rate too high for Rinseback mode
12-12
To override the warning for 60 seconds, press CLEAR.
This warning occurs when the pressure in the access pressure sensor
drops to 50 mm Hg above the access alarm limit.
If the access pressure reaches the access alarm limit, the "ACCESS
PRESSURE LOW! Check access line and needle." alarm (see
page 12-13) occurs.
.
Check for kinks or closed clamps on the inlet line, or clots in the access needle.
Check the access needle site.
Decrease the inlet pump flow rate. If the High-Flow option is enabled, reduce the inlet pump flow rate to
below 45 mL/min for the first 500 mL processed.
Decrease the access alarm limit if you changed it earlier in the procedure.
Decrease the inlet pump flow rate.
Action
®
COBE Spectra™ Apheresis System • Essentials Guide