General Alarms and Troubleshooting
12-54
COBE
®
Spectra™ Apheresis System •
Essentials Guide
RETURN PRESSURE HIGH.
Warning LED is yellow.
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.
__.__
___.__ ___.__ ___.__ ___.__
____
RETURN PRESSURE HIGH.
Probable Cause
Action
Blockage in return line or needle
Check for kinks in or clamps on the return line, or clots in the return needle.
Occluded return vein
Check the return needle site.
Needle too small
– or –
Inlet pump flow rate too high
Lower the inlet pump flow rate.
Return pressure alarm limit too low for current operating
conditions
Increase the return alarm limit if you changed it earlier in the procedure. Ensure the return needle is not
infiltrated.
Power failure, causing the Spectra system to shut down
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.
Summary of Contents for Cobe Spectra
Page 1: ......
Page 7: ...COBE Spectra Apheresis System Essentials Guide 1 1 1 Preface ...
Page 27: ...COBE Spectra Apheresis System Essentials Guide 2 1 2 Introduction ...
Page 75: ...COBE Spectra Apheresis System Essentials Guide 5 1 5 Software Options and Configuration ...
Page 92: ...Software Options and Configuration 5 18 COBE Spectra Apheresis System Essentials Guide ...
Page 93: ...COBE Spectra Apheresis System Essentials Guide 6 1 6 Automatic and Manual Modes ...
Page 98: ...Automatic and Manual Modes 6 6 COBE Spectra Apheresis System Essentials Guide ...
Page 99: ...COBE Spectra Apheresis System Essentials Guide 7 1 7 Alarm Tests ...
Page 103: ...COBE Spectra Apheresis System Essentials Guide 8 1 8 Anticoagulation ...
Page 109: ...COBE Spectra Apheresis System Essentials Guide 9 1 9 Fluid Volumes ...
Page 115: ...COBE Spectra Apheresis System Essentials Guide 10 1 10 General Maintenance ...
Page 120: ...General Maintenance 10 6 COBE Spectra Apheresis System Essentials Guide ...
Page 121: ...COBE Spectra Apheresis System Essentials Guide 11 1 11 Helpful Hints and Recovery Procedures ...
Page 133: ...COBE Spectra Apheresis System Essentials Guide 12 1 12 General Alarms and Troubleshooting ...
Page 197: ...COBE Spectra Apheresis System Essentials Guide 13 1 13 Specifications ...
Page 208: ...Specifications 13 12 COBE Spectra Apheresis System Essentials Guide ...
Page 209: ...COBE Spectra Apheresis System Essentials Guide 14 1 14 Data Input Limits ...
Page 212: ...Data Input Limits 14 4 COBE Spectra Apheresis System Essentials Guide ...
Page 213: ...COBE Spectra Apheresis System Essentials Guide 15 1 15 The Seal Safe System ...
Page 224: ...The Seal Safe System 15 12 COBE Spectra Apheresis System Essentials Guide ...
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