Miele DA 420-4 Operating And Installation Manual - Page 19
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Activating and altering the operating
hours counter for the charcoal filter
(...U models only)
The charcoal filter is needed for
recirculation mode.
On delivery, the operating hours counter
for the charcoal filter is deactivated.
For recirculation mode, the operating
hours counter needs to be set to suit
the type of cooking you do:
^ Press the On/Off control to switch the
fan off.
^ Press the run-on option and the
charcoal filter controls at the same
time.
The indicator lamp for the charcoal filter
control and one of the lamps above the
– / + controls will flash.
The – / + control lamps show the time
which has been set:
1st lamp from the left = 120 hours
2nd lamp from the left = 180 hours
3rd lamp from the left = 240 hours
4th lamp from the left = deactivated
^ Use the – / + controls to select the
desired time.
^ Confirm the selection by pressing the
charcoal filter control.
All the indicator lamps will go out.
If you do not confirm your selection
within 4 minutes, the cooker hood
will automatically revert to the "old"
data.
Resetting the operating hours
counter for the charcoal filter
The indicator lamp for the charcoal filter
control will light up after the cooker
hood has operated for the number of
hours set. The charcoal filter must then
be replaced with a new one.
Afterwards, the charcoal filter operating
hours counter must be reset.
^ Press and hold the charcoal filter
control for about 3 seconds while the
fan is switched on.
The indicator lamp for the control will
go out.
Operation
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