Return Pressure Sensor Did Not Reach Alarm Limit - Gambro Cobe Spectra Essentials Manual

RETURN PRESSURE SENSOR DID NOT REACH ALARM LIMIT!

RETURN PRESSURE SENSOR DID NOT REACH
ALARM LIMIT! Check loading.
Alarm LED is red. Pumps stop.
Probable Cause
Return pressure sensor not placed in the sensor housing or
loaded correctly
Leak in the disposable tubing set
Leak at the return pressure sensor pod seal
Tubing incorrectly loaded in the return, RBC, or waste valve
Return Flow Controller incorrectly set
Return pressure sensor, pump, or valve malfunction
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COBE Spectra™ Apheresis System • Essentials Guide
CONTINUE
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.
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.
Ensure the disposable tubing set is loaded correctly.
Ensure the Return Flow Controller is completely in the prime position.
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 inlet pump fails to
develop sufficient pressure at the return pressure sensor.
Action
Note: For instructions on repositioning the diaphragm and reloading the return pressure sensor,
see "Repositioning the Return Pressure Sensor Diaphragm" on page 11-10.
General Alarms and Troubleshooting
12-59