Mallinckrodt Nellcor NPB-70 Service Manual page 56

Section 10: Performance Verification
10-6
Table 10-2: Calibration Process (Continued)
Objective
To reset and
return to
measuring mode
To exit service Turn off the
mode and save monitor.
event messages
Calibration Errors
Table 10-3 describes calibration problems that can occur, the message
displayed and the corrective action.
Table 10-3: Calibration Process - Troubleshooting
Message Possible Causes
• Gas concentration
• Problems with gas
• Flow system
• CO
• Calibration process
12. Disconnect the monitor from the AC mains supply. Verify the unit
continues to work from its battery pack and the battery icon appears
on the lower right corner of the display.
13. Reconnect the monitor to mains power with the AC adapter. Verify
that the unit functions, and the plug icon appears.
Note: If the battery pack has a low charge level, the battery icon will
appear instead of the plug. The battery icon will fill indicating the
battery charging process.
Action
long press
does not match the
concentration value
selected in the first
calibration screen.
sampling
problems (purging,
blockage or no
FilterLine)
Sensor problem
2
exceeds 3 minutes
Result
Action
Check setup,
correct
probable
causes, and
recalibrate
unit as
above.
•Contact
your local
distributor.
•Restart. If
the
problem
persists,
contact
your local
distributor.