Plasma Valve Not Operating Correctly - Gambro Cobe Spectra Essentials Manual

General Alarms and Troubleshooting

PLASMA VALVE NOT OPERATING CORRECTLY!

PLASMA VALVE NOT OPERATING CORRECTLY!
Check for proper loading.
Alarm LED is red. Pumps stop.
Probable Cause
Tubing incorrectly positioned in
plasma valve
Replacement fluid or collection bag
lines clamped
Leak at the return pressure sensor
pod seal
Return Flow Controller incorrectly set
Plasma valve in the wrong position
Pump malfunction
12-48
CONTINUE
Ensure the tubing is placed correctly in the plasma valve. Press CONTINUE.
Ensure the replacement or collection bag lines are unclamped. Press CONTINUE.
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.
Ensure the Return Flow Controller is completely in the prime position; or during Run mode, it is in the proper setting.
Note the alarm message. Notify a qualified service technician of the alarm message.
If alarm occurs during the Run mode of a procedure, use a flat-blade screwdriver to manually place the valve in the proper position.
Note the alarm message. Discontinue the procedure. Notify a qualified service technician of the alarm message.
To retry the plasma valve test, press CONTINUE.
This alarm occurs only during TPE and RBCX procedures when the
plasma pump fails to generate expected pressures at the return pressure
sensor for various plasma valve positions.
Action
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COBE Spectra™ Apheresis System • Essentials Guide