ABB Endura AZ40 Manual page 29

3. Press the key (below the Select prompt). The Start
Calibration? for prompt is displayed and values for the set
test gases are displayed (toggled) below the prompt:
Calibrate
Start Calibration?
O2 Zero Gas
1.0 %
Abort
If a blowback routine has been configured, a prompt is
displayed to start a blowback routine.
4. Press the key (below the Continue prompt). A Zero
calibration starts and a status bar indicates calibration
progress:
Calibrate
O2 20.9 %
COe 0.06 %
Calibrating Zero
Abort
When the Zero calibration routine is completed, a Span
calibration is performed automatically and a status bar
indicates calibration progress:
Calibrate
O2 20.9 %
COe 0.06 %
Calibrating Span
Abort
CI/AZ40-EN Rev. A
Continue
When the Span calibration routine is completed, a prompt
Sensors Are Settling is displayed and a status bar indicates
progress:
Calibrate
O2 20.9 %
COe 0.06 %
Sensors Are Settling
Abort
5. The calibration pass status is displayed. If the calibration is
successful, press the
to Operator page. If the calibration fails, a prompt Calibration
Failed / Slope Too Low is displayed:
Calibrate
O2 20.9 %
COe 0.06 %
Calibration Failed
Slope Too Low
Exit
6. Press the key (below the Exit prompt) and refer to
Operating instruction OI/AZ40-EN for fault-finding flowcharts.
key (below the Exit prompt) to return
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