Technical Characteristics; Limit Conditions; Guarantee And Technical Assistance - DeLonghi W SERIES Instruction Manual

Water/air

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Table Of Contents

Table of Contents

DESCALING

When using the appliance in water mode, lime scale will inevi-

tably form and must be removed to maintain efficiency. After

about 500 hours of operation, the appliance therefore warns that

descaling is required by displaying the message

Descale the appliance.

• Turn off the appliance and unplug from the mains. Empty all

water from the inside of the appliance through the drain

hoses (fig. 42).

• Close and replace the drain hoses. Pour 0.5 l of descaler (one

bottle) and 1.5 l of clean water into the tank.

• Plug in and operate the appliance in air conditioning mode

with the BOOST function selected until the

symbol appears on the display.

• Turn off the appliance and unplug from the mains. Empty all

water from the inside of the appliance through the drain

hoses.

• Close and replace the drain hoses. Pour 2 l of clean water into

the tank and rinse the internal circuits of dirt and descaler.

• Plug in and operate the appliance until the

symbol appears on the display.

• Turn off the appliance and unplug from the mains. Empty all

rinsing water from the inside of the appliance through the

drain hoses.

• If the water drained off is very dirty or contains large quanti-

ties of foam, repeat the rinsing operation.

• Close the drain hoses and replace.

• After descaling, reset the alarm by pressing the

10 seconds.