┌────────────────┬──────────────────┬───────────────────────────┐
│ Problem
│ Potential Cause │ Corrective Action
│
╞════════════════╪══════════════════╪═══════════════════════════╡
│ Babybird
│ One or both
│ Increase source gas or
│
│ audible alarm │ source-gas
│ gases pressure to 50
│
│ sounds.
│ pressures are too│ to 55psi.
│
│
│ low (below psi). │
│
│
│
│
│
│
├──────────────────┼───────────────────────────┤
│
│ Inlet gas
│ Ensure connections are
│
│
│ connections are │ leak-free and tight.
│
│
│ not tight.
│
│
│
├──────────────────┼───────────────────────────┤
│
│ Large leak in
│ Check for leaks and
│
│
│ source-gas
│ eliminate them.
│
│
│ distribution
│
│
│
│ system (after
│
│
│
│ oxygen blender). │
│
│
├──────────────────┼───────────────────────────┤
│
│ Inlet filter
│ Clean or replace filter. │
│
│ blocked.
│
│
│
├──────────────────┼───────────────────────────┤
│
│ Lockout function │ Press reset button.
│
│
│ is activated.
│
│
│
├──────────────────┼───────────────────────────┤
│
│ O-ring on low-
│ Replace O-ring.
│
│
│ pressure alarm
│
│
│
│ is damaged.
│
│
│
├──────────────────┼───────────────────────────┤
│ Leak in charging │ Check for leak and
│
│
│
│ circuit of
│ eliminate OR replace
│
│
│ compound-lockout │ check valve.
│
│
│ cartridge OR
│
│
│
│ duckbill valve
│
│
│
│ has failed.
│
│
│
├──────────────────┼───────────────────────────┤
│
│ Mark 2 servo has │ Check Mark 2, find the
│
│
│ failed in the
│ cause of failure, and
│
│
│ inspiratory
│ repair.
│
│
│ phase.
│
│
└────────────────┴──────────────────┴───────────────────────────┘
Table 2-16. Troubleshooting at start up in either mode (continued).
MD0355
2-33