Operating Instruction EXTRAmatic 9040
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5 Operation
5.3 Utility programs
5.3.10 "Active carbon filter control" utility program (2500)
▶ Using the the up or down button, select the "Active carbon filter control" utility
program and choose ENTER.
▶ Using the up or down button, select "yes" or "no".
No = the active carbon filter service life is not recorded
Yes = the active carbon filter service life is recorded
Factory setting: no
▶ Press ENTER.
This saves the new value that has been set.
5.3.11 "Time to change active carbon filter" utility program (2450)
▶ Using the the up or down button, select the "Carbon filter change" utility program
and choose ENTER.
▶ Using the up or down button, select the service life setting you require.
▶ Press ENTER.
This saves the new value that has been set.
Factory setting: 800 hours
5.3.12 "Time since carbon filter was changed" utility program (2455)
▶ Using the the up or down button, select the "Carbon filter service life" utility pro‐
gram and choose ENTER.
The total operating time of the active carbon filter is shown.
▶ Press the back button
This takes you out of the utility program.
5.3.13 "Reset active carbon filter monitoring time" utility program
(2550)
▶ Using the the up or down button, select the "Filter time reset" utility program and
choose ENTER.
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