Operational Status Display; Behavior After Power Restoration - HomeMatic HM-LC-Sw4-SM Bedienungsanleitung

10.2 Operational status display

As soon as the relay for a channel (or a direction
for the blind actuator) is triggered, the respective
channel LED will be illuminated continuously.
After configuring the actuator with the center or
a programming tool, the device LED indicates
other device states besides those described. More
relevant information is provided in the configuration
instructions for the devices and in the system
manual.

11 Behavior after power restoration

After switching the operating voltage on (mains
voltage returned), the actuator checks the
respective components. If an error is detected, it is
indicated by all channel LEDs flashing (the LEDs for
both directions flash for the blind actuator). This is
repeated continually and the device starts to work
with the respective functionality.
If the test runs without any errors, the actuator
sends a radio telegram with the respective status
information. The actuator waits a random delay time
before sending so that all actuators are not sending
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