Dräger Narkomed 2B - Page 118

Section 5 - Operation
Oxygen Monitoring
Problem Possible Cause Remedy
Pressing O2 CAL
key initiates
calibration, but
display window
remains blank at
end of calibration
period.
Sensor is exposed
to incorrect oxygen
concentration.
Expose sensor to room
air for 21%
calibration.
Sensor is exposed
to constantly
changing
calibration mixture
Sensor capsule had
been removed from
housing for a
prolonged period of
time.
Allow for waiting
period equal to
duration of capsule
removal.
New capsule was
not given proper
waiting period.
Allow for 15 minute
waiting period.
Sensor capsule is
exhausted or
defective.
Replace sensor
capsule. Allow for 15
minute waiting period.
During monitoring,
O
2
SENS DISC, O
2
ALRM OFF & O
2
NOT CAL
messages appear
on central alarm
display.
Sensor housing
and cable are
defective.
Replace housing/cable
assembly.
Sensor cord is
disconnected.
Reconnect sensor cord
to input receptacle on
anesthesia machine.
5-10-12