Collect Valve Not Operating Correctly - Gambro Cobe Spectra Essentials Manual

COLLECT VALVE NOT OPERATING CORRECTLY!

COLLECT VALVE NOT OPERATING CORRECTLY!
Check for proper loading.
Alarm LED is red. Pumps stop.
Probable Cause
Tubing incorrectly positioned in the collect valve or return
pressure sensor
Collection bag(s) clamped
Leak in the disposable tubing set
Return Flow Controller incorrectly set
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COBE Spectra™ Apheresis System • Essentials Guide
CONTINUE
Ensure the tubing is correctly positioned in the collect valve and the return pressure sensor.
Press CONTINUE.
Ensure at least one line leading to the collection bag(s) is unclamped.
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.
Ensure the Return Flow Controller is completely in the prime position.
To retry the collect valve test, press CONTINUE.
This alarm occurs only during Prime mode and only during WBC and
platelet collection procedures. It occurs when the collect pump fails to
develop the expected pressure at the return pressure sensor with the
collect valve in various positions.
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
12-27