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Maintenance and cleaning
11 Maintenance and cleaning
Apart from for the purpose of configuration, the
device LED is not used until the correct settings
have been made via the control unit or a
configuration adapter. After that, it is used to
signal the communication status apart from the
configuration mode.
The product does not require any maintenance.
Enlist the help of an expert to carry out any
repairs.
The mains voltage must be disconnected
before the device is removed (trip the miniature
circuit-breaker). Only qualified electricians (to
VDE 0100) are permitted to carry out work on
the 230 V mains.