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,
page 46.
02923854
01
en.e
s
03023854_01_en.eps