Covidien Nellcor GR101704, Service Manual

Page: 185 / 236

Operational Performance Issues
Service Manual 11-17
11.9
Operational Performance Issues
11.10
Hardware Issues

WARNING:
If an monitoring system reports a primary speaker failure, do not use the
monitoring system longer than necessary to ensure patient safety. Contact
Covidien or a local Covidien representative.
Table 11-8. Common Operational Performance Issues
Problem Resolution
Monitoring screen appears functional, but is not reg-
istering patient data.
•
Ensure pulse oximetry sensor and interface cable
are both Nellcor™ products.
•
Check the for the loss-of-pulse indicator. If lit,
ensure Nellcor™ sensor is firmly connected. Ref-
erence
Nellcor™ Sensor Performance Consider-
ations , p. 8-1.
•
Check the monitoring screen for the jagged inter-
ference indicator. If lit, ensure Nellcor™ sensor is
firmly connected and patient remains still.
Patient data appears suspect.
•
Check sensor and interface cable connections.
•
Reset the monitoring system.
Intermittent or corrupt patient data.
Table 11-9. Common Prompts and Error Messages
Problem Resolution
Primary speaker failure is detected during
operation.
•
Remove from service immediately.
•
Check cabling and connectivity. Replace if needed.
•
Check the speaker. Replace if needed.
•
Check the Main PCB. Replace if needed.