30 Pocket Guide Oxylog 3000 plus
Operation
5 Confirm. The zero calibration starts and the line dis-
plays Busy.
Note the possible warm-up time. During zero calib-
ration, ventilation settings can be changed. After a
successful zero calibration, the line briefly displays
Pass.
6 Attach the CO
2 sensor (A) back to the cuvette (B).
If zero calibration was not successful:
The Oxylog 3000 plus displays the alarm
!!! CO
2 Zero calib. failed.
z Repeat zero calibration
If zero calibration is still not possible:
1 Check whether the sensor (A) is soiled and clean if
necessary. If the sensor is defective, replace the
sensor.
2 Repeat zero calibration.
CO2 filter check during ventilation
To perform CO2 filter check:
1 Remove the CO
2 sensor from the cuvette.
2 Attach the CO
2 sensor (A) to the test filter (B).
3 Press the Settings key.
4 Select and activate the line CO2 Filter check - Run.
5 Confirm. The filter check starts and the line displays
Busy.
During the filter check, ventilation settings can be
changed.
After a successful filter check, the line briefly dis-
plays Pass.
6 Attach the CO
2 sensor (A) back to the cuvette.
If the check was not successful:
The Oxylog 3000 plus displays the alarm !!! CO2 Filter
check failed. The test value is outside the permissible
tolerance.
1 Check whether the sensor (A) or test filter (B) is
soiled and clean them if necessary. If the sensor is
defective, replace the sensor.
2 Check the CO
2 calibration with test gas or calibrate
the CO
2 sensor.
026
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