Problem Solution
Perhaps the battery compartment cover is not
properly tted. Reattach the battery compartment
cover in the correct way (see section ‘Inserting the
battery’ in chapter ‘Preparing for use’).
Perhaps the water purier is set to the unltered
spray setting or the unltered stream setting. In
these cases, the display is off. The display only works
when the water purier is set to the ltered spray
setting.
The
display suddenly
goes empty.
Perhaps the battery is low. Replace the battery.
Perhaps the lter cartridge is clogged and water ow
is extremely slow. Replace the lter cartridge.
The appliance
makes a clicking
sound when I
use it at the
ltered spray
setting.
The clicking sound comes from the built-in ow
meter and is normal.
Product specications
Product name and type
number
Pure water on tap WP3821
Type Direct tap mount
Major lter components Polysulphone hollow-bre membrane and
granular activated carbon
Initial water ow rate 2L/min. (water pressure at 1kgf/cm², water
temperature at 20°C)
ENGLISH20
