General Alarms and Troubleshooting
COBE
®
Spectra™ Apheresis System •
Essentials Guide
12-55
RETURN PRESSURE HIGH! Check return line and needle.
Alarm LED is red. Pumps stop.
This alarm occurs when pressure in the return pressure sensor measures
above specified limit.
RETURN PRESSURE HIGH!
Check return line and needle.
CONTINUE
Probable Cause
Action
Blockage in the return line or needle
Check for kinks in or clamps on the return line, or clots in the return needle. Ensure the correct clamp was
closed before Rinseback mode.
During Single-Needle ELP, LRS, or LRST Prime mode, ensure the clamp between access manifold and the
Single-Needle “Y” Manifold is open.
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.
Buildup of pressure in the system caused by an alarm
condition, or operator action caused the centrifuge to stop
Release the pressure in the system by performing one of the two sets of steps below:
Option 1. Release the pressure into the disposable tubing set as follows:
1
Close the pinch clamp on the return line. Open the roller clamp on the return saline line.
2
Manually pull out the return line valve. The pressure will vent to the saline bag.
3
Close the return saline line roller clamp and open the pinch clamp on the return line.
4
Press
CONTINUE
.
– or –
Option 2. Release the pressure into the waste bag as follows:
1
Open the waste divert valve to relieve pressure: Press
VALVE
, press
3
to choose the waste valve, then
press
2
to select the return divert position.
2
Close the waste divert valve to return to the operating position, then press
CONTINUE
.
Occluded return vein
Check the return needle site.
Содержание Cobe Spectra
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Страница 7: ...COBE Spectra Apheresis System Essentials Guide 1 1 1 Preface ...
Страница 27: ...COBE Spectra Apheresis System Essentials Guide 2 1 2 Introduction ...
Страница 51: ...COBE Spectra Apheresis System Essentials Guide 3 1 3 Installing Transporting and Returning the Spectra System ...
Страница 75: ...COBE Spectra Apheresis System Essentials Guide 5 1 5 Software Options and Configuration ...
Страница 92: ...Software Options and Configuration 5 18 COBE Spectra Apheresis System Essentials Guide ...
Страница 93: ...COBE Spectra Apheresis System Essentials Guide 6 1 6 Automatic and Manual Modes ...
Страница 98: ...Automatic and Manual Modes 6 6 COBE Spectra Apheresis System Essentials Guide ...
Страница 99: ...COBE Spectra Apheresis System Essentials Guide 7 1 7 Alarm Tests ...
Страница 103: ...COBE Spectra Apheresis System Essentials Guide 8 1 8 Anticoagulation ...
Страница 109: ...COBE Spectra Apheresis System Essentials Guide 9 1 9 Fluid Volumes ...
Страница 115: ...COBE Spectra Apheresis System Essentials Guide 10 1 10 General Maintenance ...
Страница 120: ...General Maintenance 10 6 COBE Spectra Apheresis System Essentials Guide ...
Страница 121: ...COBE Spectra Apheresis System Essentials Guide 11 1 11 Helpful Hints and Recovery Procedures ...
Страница 133: ...COBE Spectra Apheresis System Essentials Guide 12 1 12 General Alarms and Troubleshooting ...
Страница 197: ...COBE Spectra Apheresis System Essentials Guide 13 1 13 Specifications ...
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Страница 209: ...COBE Spectra Apheresis System Essentials Guide 14 1 14 Data Input Limits ...
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Страница 213: ...COBE Spectra Apheresis System Essentials Guide 15 1 15 The Seal Safe System ...
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