Failure Of The O 2 Sensor; Causes For Faulty Calibration - Dräger Fabius Tiro Instructions For Use Manual

Failure of the O

Causes for faulty calibration

The calibration was not successful if, after the
calibration of the O sensor, the alarm message
2
O SENSOR FAIL ! is displayed.
2
Possible causes and remedial measures are
described in the following table.
Cause
During the calibration, the O
to an air mixture with extremely high or low oxygen
concentration.
During the calibration, the O
to an air mixture with fluctuating oxygen concentra-
tion.
The O sensor was not exposed to ambient air long
2
enough before the calibration.
The maximum period of use of the O
elapsed.
The O sensor is not connected.
2
Instructions for use Fabius Tiro SW 3.n
sensor
2
sensor was exposed
2
sensor was exposed
2
sensor has
2
Remedy
Make sure that the O
2
ent air during the entire calibration.
Make sure that the O
2
ent air during the entire calibration.
Expose the O sensor to ambient air for 2 minutes.
2
When a new O sensor is connected, expose the
2
new sensor to ambient air for 15 minutes.
Replace the O sensor. Expose the new O
2
to ambient air 15 minutes before calibration.
Check the O sensor. Connect the O
2
rectly and recalibrate.
Troubleshooting
sensor is exposed to ambi-
sensor is exposed to ambi-
sensor
2
sensor cor-
2
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