Chapter 4: Troubleshooting - CareFusion Bird Sentry User Manual

Bird Sentry™ Blender
Chapter 4: Troubleshooting
Problem
Oxygen concentration discrepancy between
oxygen concentration selection knob and
actual reading on display.
Pressure Differential Alarm Sounding.
Bird Sentry blender in bypass mode, no audible
pressure differential alarm.
Selected oxygen concentration accurate only
when gas pressures are equal.
Blank display.
Partial or distorted display.
L1383 Rev. D
Potential causes and solutions
1. Monitor out of calibration. Calibrate. Refer
to Ch.2, Calibration Procedure.
2. Sensor exhausted. Replace. Refer to Ch. 6,
Service and Maintenance.
3. Outlet flows are below specified range.
Correct flow. Must be above 2 LPM.
4. Gas supply contaminated. Contact
CareFusion Corporation for repair of the
Bird Sentry blender.
5. Bird Sentry blender operation out of
calibration. Contact CareFusion distributor
or CareFusion Corporation for repair.
1. Inlet pressure differences of 20 PSI or
more. Correct pressure difference.
2. Pressure alarm not calibrated properly.
Contact CareFusion distributor or
CareFusion Corporation for repair.
3. Bird Sentry blender operation out of
calibration. Contact CareFusion distributor
or CareFusion Corporation for repair.
Reed alarm cap damaged or defective.
Contact CareFusion distributor or CareFusion
Corporation for repair.
Bird Sentry blender balance module not
functioning properly. Contact CareFusion
distributor or CareFusion Corporation for
repair.
1. Battery not installed. Install. Refer to
Appendix C, Setup and Installation,
Battery Installation.
2. Battery completely dead. Replace. Refer to
Appendix C, Setup and Installation,
Battery Installation.
3. Monitor defective. Contact CareFusion
distributor or CareFusion Corporation for
repair.
Monitor damaged. Contact CareFusion
distributor or CareFusion Corporation for
repair.
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