Miele Complete C3 Special Flex - Replacing the AirClean Plus 50, Silence AirClean 50, Active AirClean 50 and HEPA AirClean 50 exhaust filters (Fig. 40 + 41); Replacing one type of exhaust filter with another (Fig. 08); When changing the filter, please note; Maintenance indicator with reset button (Fig. 42)

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Replacing the AirClean Plus50,
Silence AirClean50, Active AirClean
50 and HEPA AirClean50 exhaust fil-
ters (Fig. 40+41)
Do not use more than one exhaust
filter at a time.
 Open the dust compartment lid (Fig.
09).
 Lift the exhaust filter and remove it
(Fig. 40).
 Insert a new exhaust filter, making
sure it goes in properly, then press it
down into position (Fig. 41).
 If you are using exhaust filter c, d or e,
you must also activate the timestrip®
filter change indicator (Fig. 11).
After approx. 10–15seconds, a thin red
line will appear in the left-hand side of
the display (Fig. 12).
If you wish to fit an AirCleanexhaust
filter, see “Replacing one type of ex-
haust filter with another”.
 Damage due to contamination in
the dust compartment
Large quantities of dust may enter
the dust compartment and damage
components if the dustbag has not
clicked into position.
Before closing the dust compartment
lid, make sure that the dustbag has
been inserted so that it has clicked
into position.
 Close the dust compartment lid se-
curely, making sure it clicks into posi-
tion. Take care not to trap the dustbag
when doing so.
Replacing one type of exhaust filter
with another (Fig. 08)
Depending on the model, your vacuum
cleaner will be fitted as standard with
one of the following exhaust filters:
a AirClean
b AirClean Plus50 (light blue)
c Silence AirClean50 (grey)
d Active AirClean50 (black)
e HEPA AirClean50 (white)
Do not use more than one exhaust
filter at a time.
When changing the filter, please note
1. If you wish to replace exhaust filter a
with filter b, c, d or e, it is essential
that you remove the filter grille before
you fit the new exhaust filter.
If you are using exhaust filter c, d or e,
you must also activate the timestrip®
filter change indicator (Fig. 11).
2. If you wish to replace exhaust filter b,
c, d or e with filter a, it is essential
that you also fit the filter grille* (Fig.
39).
* Filter grille – see “Optional ac-
cessories”
Maintenance indicator with reset but-
ton (Fig. 42)
Some models are fitted with a mainten-
ance indicator.
The indicator lights up after approxim-
ately 50hours of operation, which is
equivalent to about a year of average
use. The level of soiling of the motor
protection filter and the exhaust filter
must be checked at this point.