General Alarms and Troubleshooting
COBE
®
Spectra™ Apheresis System •
Essentials Guide
12-59
RETURN PRESSURE SENSOR DID NOT REACH ALARM LIMIT!
Alarm LED is red. Pumps stop.
To retry the return pressure sensor test, press
CONTINUE
.
This alarm occurs only during Prime mode when the inlet pump fails to
develop sufficient pressure at the return pressure sensor.
RETURN PRESSURE SENSOR DID NOT REACH
ALARM LIMIT! Check loading.
CONTINUE
Probable Cause
Action
Return pressure sensor not placed in the sensor housing or
loaded correctly
Ensure the return pressure sensor is correctly loaded in the return pressure sensor housing. See
“Repositioning the Return Pressure Sensor Diaphragm” on page 11-10. Press
CONTINUE
.
Leak in the disposable tubing set
Check the disposable tubing set for leaks. If the set does not leak, press
CONTINUE
. If the set leaks, replace it
with a new set and prime the set.
If the alarm recurs, replace the disposable tubing set.
Leak at the return pressure sensor pod seal
Check the return pressure sensor pod seal for wear or damage. Replace if necessary. For instructions, see
“Changing pressure pod seals” on page 10-4.
Note:
For instructions on repositioning the diaphragm and reloading the return pressure sensor,
see “Repositioning the Return Pressure Sensor Diaphragm” on page 11-10.
Tubing incorrectly loaded in the return, RBC, or waste valve
Ensure the disposable tubing set is loaded correctly.
Return Flow Controller incorrectly set
Ensure the Return Flow Controller is completely in the prime position.
Return pressure sensor, pump, or valve malfunction
Note the alarm message. Discontinue the procedure. Notify a qualified service technician of the alarm
message.
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 ...
Page 225: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 226: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 227: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 228: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 229: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 230: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 231: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 232: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 233: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...
Page 234: ...COBE Spectra Apheresis System Essentials Guide This page intentionally left blank ...