Siemens IQ500 Operating Instructions Manual page 29

B "anti-calc"
The "anti-calc" cartridge has been designed to
reduce the build-up of scale produced during steam
ironing, helping to extend the useful life of your iron.
Nevertheless the "anti-calc" cartridge cannot
prevent all of the scale that is produced naturally
over time. Due to this, the "calc'n Clean" function
has been designed.
C "calc'n Clean" function
The "calc'n Clean" function helps to remove scale
particles out of the steam chamber.
"calc'n Clean" timer:
After a period of use, the automatic clean warning
lamp "calc" (4) flashes, indicating that "calc'n Clean"
process must be performed.
1 Set the steam regulator (5) to the position
Unplug the iron from the mains socket, and fill
the water tank with water.
2 Plug in the iron and set the temperature to the
"max" position.
3 When the lamp "max" remains lit continuously,
unplug the iron (very important!).
4 Hold the iron over a sink.
5 Press the "clean" button (11) and shake the
iron until approximately one third of the water
capacity of the tank is evaporated. Boiling
water and steam will come out, carrying scale
or deposits that might be there.
.
45º
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SIEM ENS