User's Manual

22-25
O2 INSTALLATION
FAILED - O2 install
cal requires new O2
cell
■ Install cal detected an O2 cell
output above or below the
allowable threshold for a new O2
cell.
■ Contact your Biomed or your
Spacelabs Medical service
representative.
■ Yes
O2 SPAN FAILED -
Check exhaust port
■ Scavenger port is blocked. ■ Remove scavenger port blockage
and repeat the SPAN. If the SPAN
fails again, contact a qualified
service person.
■ Yes
■ O
2
sensor assembly output is very
negative.
■ After checking exhaust port, if
RAW = 0 in SERVICE CAL
MODE, service is required.
Replacement of the O
2
sensor
electronics assembly is indicated.
■ Yes
CAL GAS SPAN
FAILED -
Check span gas
supply
■ The unit could not calibrate the
gas channel.
■ Repeat the span. Contact a
qualified service person if the span
fails again.
■ Yes
!
• The unit does not analyze sampled gases while the monitor displays any of the above messages.
• For the above messages, you can touch the GAS key and then the NORMAL SCREEN key to remove
the message from the waveform zone and stop the alarm tone. However, the message will continue to
display on the monitor’s prompt line. Whenever a span failure occurs, the previous calibration factors are
not lost. The analyzer continues to function and report the gas values, but the full accuracy of the values
are not guaranteed.
Clinical
Situation
Possible Cause Solution
Alarm
Sounds