Flow System; Event Messages - Nellcor NPB-75 Service Manual

Table 5-3: Event Messages
Event Message Probable Cause
CO board A CO
2
failed.
SpO board
2
Flow - Loose connections
- Kinks or twists in
tubing
- Flow system blocked
- Pump Malfunction
- A CO
component has failed
Corrective Action
board component Replace with a new
2
CO
Replace with a new
SpO
- Inspect all tubing
- Straighten kinks
- Check flow rate and
- Replace pump
board - Replace with a new
2
Section 5: Troubleshooting
board.
2
board.
2
ends for loose
connections and
ensure tight
connections
and undo any twists
in the tubing.
if necessary change

Flow System.

CO board
2
5-5