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5. Perfusion
• Achieve minimum pump flow before unclamping lines.
• Monitor control module for messages and alarms.
• Monitor perfusion circuit for visible air and kinks in the lines.
• Maintain minimum pump flow before clamping lines.
6. Cleanup
• Turn off power.
• Properly discard disposable components.
• Clean motor and flow transducer/sensor.
• If using the adapter, clean it according to the instructions in the Storage and Cleaning section.
7. Check equipment
• Inspect and verify that equipment is operational.
• Maintain indicated preventive maintenance schedule.
• Ensure that batteries are charged to full capacity.
9 Troubleshooting guide
This section covers 3 situations that may occur when using a centrifugal blood pump. Follow the clinical protocol specified by the
hospital and consider the following troubleshooting suggestions.
9.1 Pump failure
An unusual or high-pitched sound indicates that pump failure is occurring. Replace the Affinity CP centrifugal blood pump immediately.
9.2 Lack of flow
If the pump does not rotate or there is no flow, consider the following:
• Verify that the pump and the drive motor are properly connected.
If using the adapter, consider the following:
• Verify that the pump is properly connected to the adapter. Ensure that the pump is secure under the retaining ledge and the
retaining latch of the adapter.
• Verify that the adapter is properly connected to the drive motor.
• Reduce the pump speed to zero and restart the drive motor.
• Follow hospital protocol to reestablish flow.
9.3 Unusual noise
If the pump vibrates or makes a grinding noise, consider the following:
• Consider replacing the pump if the vibration or grinding noise continues.
If using the adapter, consider the following:
• Verify that the pump is properly connected to the adapter. Ensure that the pump is secure under the retaining ledge and the
retaining latch of the adapter.
• Verify that the adapter is properly connected to the drive motor.
• Reduce the pump speed to zero and restart the drive motor.
• Follow hospital protocol to reestablish flow.
• Consider replacing the pump or the adapter if the vibration or grinding noise continues.
10 Storage and cleaning of the Affinity CP adapter
Warning: Do not sterilize the adapter. Sterilization may damage the adapter.
Caution: Do not store at extremes of temperature and humidity. Avoid storing the adapter in direct sunlight.
Caution: Do not use alcohol-based solutions, other organic solvents, or concentrated acids or bases on the adapter. The adapter may
be damaged by these solutions.
Follow your hospital's protocol to clean or disinfect the adapter and consider the following:
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