Maintenance
Resetting the
operating hours
counter
130
The maximum permissible number of operating hours is pre-set in the
controls for all filters. After a filter has been changed the operating
hours counter must be reset.
Open the menu as follows:
button
Further settings
Filter maintenance
Coarse filter
The operating hours counter must only be reset when the filter
has been changed.
Coarse filter replaced?
Yes
No
Yes
-
The operating hours counter will be reset for the new filter.
No
-
The counter will not be reset.
Select an option using the and arrow buttons.
Confirm your selection with OK.
The remaining operating hours for this filter type are shown on the
display.
Confirm the message with OK.
Then you will be asked if you wish to reset the operating hours
counter.
HEPA filter
or
Filter life remaining
10 h
HEPA filter replaced?
Yes
No