Grohe SENSIA IGS Operating Instructions Manual page 255

OPERATING INSTRUCTIONS
Decalcification required
DECALCIFICATION
The unit must
be decalcified.
Press "Continue".
Press "Cancel" to
cancel decalcification.
Decalcification signal
The LED display on the shower-toilet shows red.
There is a message on your remote control saying
" Decalcification required ". Press " Service information "
to switch to the " Decalcification " menu.
Preparing for decalcification
Press " Continue " to start preparing for decalcification.
Please do not sit on the shower-toilet during the
decalcification preparation phase.
You can obtain the decalcifying agent required from GROHE.
It is tailored to the decalcification programme on your unit.
Please use only original GROHE decalcifying agents.
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