8.4 Check the battery status
You can check the battery status of the communication module when the cover is open (e.g.
during installation or maintenance).
To be able to check the battery status, the following prerequisites need to be met:
l
The communication module has to be switched on.
l
Firmware has to be installed on the communication module (see
1. Press the coupling button.
Now the red LED next to the coupling button indicates the
battery status:
It is permanently
illuminated
Batteries are full
It flashes
Batteries are nearly empty. Insert new bat-
teries.
It is not illu-
minated
Batteries are empty, or there are no bat-
teries. Insert new batteries.
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CESeasy communication module
8 Batteries