Welch Allyn Atlas - Page 59

Section 3 - Troubleshooting
SERVICE MANUAL 6200-43E REV. A
WELCH ALLYN ATLAS MONITOR 33
If alarm not heard: goto Sound 1
If error not seen: Re-install software
Turn system off and back on to clear state.
Verify that proper SpO
2
cuff is being used: Nonin or Nellcor
Replace cuff.
Check cable connections between SpO
2
board and Main
board
Replace SpO
2
cuff socket
Replace SpO
2
board
Press <DATE/TIME><TREND>
Get Advanced Configuration menu
Set Second trace selection to CO
2
Press <TREND> to return to idle screen
Insert watertrap with tubing attached
Should see:
Hear pump motor start
See dashed line waveform on lower trace
See dashes in Respiration Rate
See 0 in mmHg (or % or kPa, as configured)
If pump motor does not start: goto CO
2
If dashed waveform does not start: Perform CO
2
calibration
If Respiration Rate does not display dashes: Per
form CO
2
calibration
If CO
2
concentration is not 0: Perform CO
2
calibra
tion
Breathe gently and repeatedly over end of tubing
Should see:
See waveform within seconds of breathing
See respiration rate non zero within one minute
See CO
2
concentration non zero within one minute
If waveform does not track breathing: Perform CO
2
calibration
If respiration rate does not show reasonable value:
Perform CO
2
calibration
If CO
2
concentration does not show reasonable
value: Perform CO2 calibration
If CO
2
calibration did not solve problem, replace CO
2
board
Remove watertrap from Atlas
Turn system off and back on to clear state.
Press <DATE/TIME><TREND>
SpO
2
2
CO
2
1
3.4 Diagnostic Tests