Philips WP3810 Manuale Utente

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 Clean the filtered water outlet with a clean toothbrush and wipe 

off any contamination with a clean cloth.

New filter cartridges are available under the following type numbers:

WP3911 for water purifier WP3811.

WP3910 for water purifier WP3810.

However, the housing of both water purifiers is suitable for both types of 

filter cartridges.
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.

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:

  You have used the filter cartridge for six months.

  The hollow fibre of the filter cartridge (visible through the cartridge 

window) has turned rust brown or dark grey (see section ‘Cartridge 

replacement indicator’). 

  The volume of purified water decreases substantially.

  The filtered water still has an unpleasant smell or is still turbid 

after purification.
Reduced filter cartridge life

The filter cartridge has a shorter life and should be replaced more 

frequently in the following situations:

The water pressure is very low.

The pipes and water tank are worn.

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