Replace the AquaClean water filter at least every 3 months, even if the machine does not yet
indicate that replacement is required.
Deactivating the AquaClean reminder
If you do not want to use Philips AquaClean water filters anymore, you can always deactivate the
AquaClean reminders (AquaClean light flashing orange):
1 Press the on/off button to switch off the machine.
2 When the machine is switched off, press and hold the AquaClean icon until the light in this icon
goes on. The start light starts flashing.
3 Tap the AquaClean icon again to deactivate the reminders. The light in the AquaClean icon goes
off.
4 Press the start/stop button to confirm your choice.
5 Press the on/off button to switch on the machine again. The AquaClean reminders are now
deactivated.
Note: The activation of a new AquaClean filter will automatically re-activate the AquaClean
reminders.
Setting the water hardness
We advise you to adjust the water hardness to the water hardness in your region for optimal
performance and a longer lifetime of the machine. This also prevents you from having to descale
the machine too often. The default water hardness setting is 4: hard water.
Use the water hardness test strip supplied in the box to determine the water hardness in your
region:
1 Immerse the water hardness test strip in tap water or hold it under the tap for 1 second (Fig. 46).
2 Wait 1 minute. The number of squares on the test strip that turn red indicate the water hardness
(Fig. 47).
Set the machine to the correct water hardness:
1 Press the on/off button to switch off the machine.
2 When the machine is switched off, tap and hold the aroma strength icon until all lights in the
icon go on (Fig. 2).
3 Tap the aroma strength icon 1, 2, 3 or 4 times. The number of lights that are on should be the
same as the number of red squares on the test strip (Fig. 48). When there are no red squares on
the test strip (so all squares are green) please select 1 light.
4 When you have set the correct water hardness, press the start/stop
Since you only set the water hardness once, the aroma strength function is used to select the
water hardness. This does not affect the aroma strength of the drinks you make afterwards.
Descaling procedure (30 min.)
Please use Philips descaler only. Under no circumstances should you use a descaler based on sulfuric
acid, hydrochloric acid, sulfamic or acetic acid (vinegar) as this may damage the water circuit in your
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button.
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