Device descaling message
During installation, the device was configured for the local water hardness in accordance with
the following table. This adaptation prevents unnecessary descaling procedures and helps
protect the environment. Nevertheless, regular descaling of the device is required.
Range
°fH
°dH
°eH
soft
≤ 15
≤ 8
≤ 11
medium
15–25
8–14
11–18
hard
> 25
> 14
> 18
The following table helps you to identify descaling messages and to carry out the necessary
fault clearance for each message.
Cause
Message
Fault clearance
Regular descaling: at least
once a year
• The status LED on the
control panel flashes blue-
red.
• The display shows
[Descale device now].
▶ Perform descaling. → See
"Descaling the device",
page 35.
Locked device: multiple
rejected descaling requests
• The status LED on the
control panel flashes blue-
red.
• The display shows
[Descale device now,
device locked].
Prerequisite
–
A shower procedure is no
longer possible without
descaling.
▶ Perform descaling. → See
"Descaling the device",
page 35.
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