
70
Maintenance and cleaning
If the test is completed without errors, the switch actu-
ator transmits a wireless telegram containing its status
information. To prevent all Homematic actuators from
transmitting at the same time when power is recovered
(after a mains power failure or a disconnection, for
example), there is a random delay before the switch
actuator transmits. During this time, the device LED
flashes slowly. If the delay is very short, this flashing
may be almost imperceptible.
11 Maintenance and cleaning
The product does not require any maintenance. Enlist
the help of an expert to carry out any repairs.
Clean the product using a soft, lint-free cloth that is
clean and dry. You may dampen the cloth a little with
lukewarm water in order to remove more stubborn
marks. Do not use any detergents containing solvents,
as they could corrode the plastic housing and label.
Before cleaning the device, is has to be
disconnected from the mains supply. Make sure
that no moisture will ingress into the housing.
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