General Alarms and Troubleshooting
COBE
®
Spectra™ Apheresis System •
Essentials Guide
12-57
RETURN PRESSURE HIGH! Decrease return flow scale.
Alarm LED is red. Pumps stop.
This alarm occurs only during a Single-Needle Run mode, usually after
the centrifuge suddenly stops, when pressure in the return pressure
sensor measures above the specified limit.
RETURN PRESSURE HIGH!
Decrease 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 Flow Controller return flow scale set too high
Decrease the return flow scale setting.
If the “RETURN FLOW TOO SLOW!” alarm appears at the end of the next Return phase, allow the Single-
Needle bag to empty, then decrease the inlet pump flow rate.
Press
CONTINUE
.
Blockage in the access/return line or needle
Check for kinks in or clamps on the access/return line or clots in the needle. Press
CONTINUE
.
Buildup of pressure in the system caused by an alarm
condition or operator action that caused the centrifuge to
stop
Release pressure in the system according to the instructions on page 12-55.
Needle too small
– or –
Inlet pump flow rate too high
Lower the inlet pump flow rate.
Internal system malfunction
Note the alarm message. Press
CONTINUE
.
If the alarm recurs, discontinue the procedure. Press
CHANGE MODE
, then press
4
to select “Rinseback.” To
override the alarm during Rinseback mode, press
CONTINUE
. Notify a qualified service technician of the alarm
message.
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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