39
Maintenance
When the calibration is completed and
the displayed measured values are stab-
le:
— The display containing the current gas
concentration changes with the display
» OK «
.
●
Press the
key or wait for 5 minutes to
quit the calibration.
— The device changes to the measuring
mode
●
Close the test gas cylinder valve and re-
move the device from the calibration
cradle.
If a fault has occurred during the 1-button
calibration.
— The fault message »
« appears and
»
« is displayed for the respecti-
ve sensor instead of the measured value
●
In this case, repeat the 1-button calibrati-
on or carry out a single gas calibration
(Span cal), refer to page 40.
●
If necessary, replace the sensor,
02923854
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01
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OK
03023854_01_en.eps