Maintenance And Cleaning - HomeMatic HM-PB-2-WM55-2 Installation And Operating Manual

device cannot be reset! In this case, the encoding is
active using a system security key that differs from the
key delivered with the system. In order to reset the
device, you must use the configuration software of the
center for resetting! The procedure is described in the
center software instructions. (This error can occur only
if you have a center and have taught the device for
this center.)
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Maintenance and cleaning

This product is maintenance-free besides possibly
requiring a battery change. Maintenance or repairs are
only to be done by trained professionals. Clean the
products using a soft, clean, dry and lint-free cloth. To
remove heavier contamination, make cloth damp with
lukewarm water. Cleaning agents that contain solvents
are not to be used because they can harm the plastic
housing and the labels.
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