Philips WP3812 - Manual (Page 13)

the appliance. These substances may cause cracking, discolouration or
distortion.
1 Clean the filtered water outlet with a clean toothbrush and wipe
off any contamination with a clean cloth.
Note: Do not use a used toothbrush, as it may transfer bacteria to the water
outlet.
 Clean the appliance with a moist cloth.
 Regularly clean the stainless steel screen and the unfiltered water
inlet under a running tap with a clean and soft brush.
Replacement
New filter cartridges are available under type number WP3922.
Replace the filter cartridge if it is clogged to prevent damage to the
water purifier.
No part of the cartridge can be reused. Discard the used cartridge and
replace it with a new one.
When to replace filter cartridge
The actual lifetime of the filter cartridge depends on the quality of the
local water and the water pressure. For optimal performance of the
water purifier, replace the filter cartridge if one of the following situations
occurs:
The hollow fibre of the filter cartridge (visible through the cartridge
window) has turned rust brown or dark grey (see section ‘Cartridge
replacement indicator’).
You have used the filter cartridge for 6 months.
The volume of purified water decreases substantially.
The filtered water still has an unpleasant smell or is still turbid
after purification.
Cartridge replacement indicator
To help you determine when to replace the filter cartridge, the water
purifier and each replacement filter cartridge comes with a self-adhesive
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English 1