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Masimo CO
Message
CO
Occluded Line
2
CO
No Sampling Line
2
CO
Check Adapter
2
CO
Needs Zeroing
2
CO
Check Sensor
2
CO
problem detected
2
8-12
Monitoring
2
Parameter
Possible Cause
Value
ISA CO
sampling line
2
cannot be cleared due to
---
moisture or other
obstruction.
ISA CO
sampling line
2
has become unplugged
---
from the LEGI connector
on the front of the
module.
1) The lens within IRMA
airway adapter has
become fogged or
blocked.
---
2) IRMA airway adapter
has become unplugged
from the sensor.
CO
zero offset needs to
2
---
be removed.
ISA module or IRMA
---
sensor have reported an
internal error.
CO
interface has
2
---
encountered a problem.
N i g h t i n g a l e P P M 3 U s e r ' s G u i d e
Suggested Action
Replace the sampling line. If connected
to scavenging system, disconnect to see
if message disappears.
Reconnect the sampling line.
Replace or reconnect the airway adapter.
Follow the zeroing procedure provided in
this chapter.
Disconnect the module or adapter from
the PPM3 and then reconnect. Contact
technical support if the problem
continues.
Check the CO
subsystem including
2
sampling line and exhaust port. Verify
that the exhaust port is not blocked.
Power-cycle the PPM3. Contact
technical support if the problem
continues.
April 2019
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