Maintenance And Cleaning - HomeMatic HM-PB-4Dis-WM Mounting Instruction And Operating Manual

Once the wall-mounting pushbutton has been
taught-in to a central control unit, it will no
longer be possible to teach devices in to or
out from the wall-mounting pushbutton direct-
ly. This must be done via the central control
unit's user interface.

12. Maintenance and cleaning

Apart from having to replace the batteries, this
product is maintenance-free. Enlist the help of an
expert to carry out any repairs.
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