8
When the device is plugged in it runs a self-test, which takes
approximately 2 seconds. Initialisation is carried out once the
self-test has finished. The LED test display will indicate that
initialisation is complete: the LED will light up red, green and
orange in that order, for half a second each.
The device then sends a status message, which is indicated by
the device LED lighting up orange.
If the radio-controlled sensor for carbon dioxide has been
taught-in to another HomeMatic component, the LED will then
light up red or green, depending upon whether reception was
confirmed (green) or not (red).
9
The device must be disconnected from the power supply before
cleaning (to do this, simply unplug it from the socket). Clean the
housing and the electrodes using a soft and dry cloth. You may
dampen the cloth a little with water in order to remove more
stubborn marks. Do not use any detergents containing solvents,
as they could corrode the plastic housing and label.
20
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Response to power recovery
In the event of an error, the LED will flash red (one long
flash, one short flash, pause).
Maintenance and cleaning
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