Changing Batteries; Behavior After Inserting The Batteries - HomeMatic HM-Sec-SC-2 Montageanleitung

• Insert the two provided LR44 button cell batteries
into the battery compartment with proper polarity
according to the polarity markings. The batteries
are held in the battery compartment by the tensi-
on on the battery caused by the contacts.
• Note the flashing device LED when the batteries
are inserted (see section "Behavior after inserting
the batteries").
• Replace the electronics unit on the fastening
holder again.

7.1.2 Changing batteries

Caution! Danger of explosion if battery is
replaced improperly.
Used batteries are not to be disposed of
with the house-hold waste! Please
dispose them at your local battery
collection point!
If there is no reaction from the device that you want
to control when sending or if the flash-code for
empty batteries is shown, the used batteries are to be
replaced with two new button cells of type LR44 as
described in the previous chapter. Make sure that the
batteries are inserted with proper polarity.
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7.1.3 Behavior after inserting the batteries

After inserting the battery, the sensor will run a self-
test. This runs for approx. 2 seconds. The initializa-
tion runs next. The completion is indicated with the
LED test display: red, green, orange, each for a half
second.
If an error occurs, it is indicated with red
flashing!
The sensor then sends a status message - indicated
by the device LED illuminated in orange. This is follo-
wed by either read or green flashing when the sensors
have been taught, depending on whether the reception
has been confirmed or not.
One long flash, two short flashes,
pause (repeated 2 times)
One long flash, one short flash, pause
(infinite)
If the battery power is low, as long as the power
level allows, the sensor is activated and is ready for
operation. Depending on the requirements, the battery
may recover and send again many times after a short
Battery power
too low
Sensor defective
45