Return Pressure Occlusion Error - Gambro Cobe Spectra Essentials Manual

General Alarms and Troubleshooting

RETURN PRESSURE OCCLUSION ERROR!

RETURN PRESSURE OCCLUSION ERROR!
Check for leakage.
Alarm LED is red. Pumps stop.
Probable Cause
Leak in the return pressure sensor or disposable tubing set
Leak at the return pressure sensor pod seal
Pump malfunction
12-58
CONTINUE
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.
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.
Note the alarm message. Discontinue the procedure. Notify a qualified service technician of the alarm
message.
To retry the return pressure sensor test, press CONTINUE.
This alarm occurs only during Prime mode when the return pressure
sensor detects a pressure drop of more than 50 mm Hg.
Action
®
COBE Spectra™ Apheresis System • Essentials Guide