Covidien Nellcor GR101704, Service Manual

Page: 186 / 236

Troubleshooting
11-18 Service Manual
Monitor was reset unexpectedly.
•
If problem persists, remove from service.
•
Check cabling and connectivity. Replace if needed.
•
Check fan. The monitoring system may be overheating.
Replace if needed.
•
Check the Main PCB. Replace if needed.
•
Check the SBC PCB. Replace if needed.
•
Check the power supply. Replace if needed.
SpO
2
or pulse rate data has not been
updated for over 30 seconds.
•
Check cabling and connectivity.
•
Reference Communication Issues , p. 11-16.
Nurse call output system error.
Serial Communications system failure.
Analog output system failure.
Cooling fan failure.
•
Check fan. Replace if needed.
•
Check the Main PCB. Replace if needed.
Thermal control system is above thermal
limit.
•
Power down and allow to cool.
•
Remove any potential sources of heat.
•
Check heat and humidity conditions. Reference Environ-
mental Conditions , p. 2-3.
•
Move to a controlled environment.
•
Check fan. Replace if needed.
•
Check the Main PCB. Replace if needed.
Invalid date and time value detected during
start up.
•
Set the date and time.
•
Replace the battery, if stored for too long.
•
Check the Main PCB. Replace if needed.
BATTERY MISSING message occurs, even
though a battery is present. Reference Power Failure Issues , p. 11-11.
Table 11-9. Common Prompts and Error Messages (Continued)
Problem Resolution