9.1 Filter cleaning
User maintenance is limited to periodically cleaning or repla-
indicated on the display (it shows the text "FILTER"
out.
i ter
Elan 10 2.0 / Elan 16 2.0 / Elan 25 2.1 Revision D
The text "FILTER
has been reset. Also when the message "FILTER" has not
out. the "counter" will be reset to zero.
5 sec.
at the multiple switch is off and the display is back to ope-
rating mode.
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