HomeMatic IP HmIP-ESI-LED Manual De Instalacion Y Uso página 21

Changing the batteries
• Affix the reader head in front of
the pulse LED and press down on it
firmly for 5 seconds.
• Finally, insert the sensor connector
(H) on the underside of the HmIP-
ESI into the connection port (E) un-
til it audibly clicks into place.
5 s
7 Changing the batteries
If an empty battery is displayed in the
app or on the device
codes and flashing sequences" on page
24), replace the used batteries with
two new LR6/Mignon/AA batteries. You
must observe the correct battery po-
larity.
To replace the device batteries, please
proceed as follows:
• When mounted, the cover (B) can
be removed by pressing in the up-
per and lower sides and pulling the
cover (B) forward
(see
• When not mounted, the cover cap
(B) can be removed by pressing in
the upper and lower sides with one
hand. At the same time, take hold
of the rib of the electronics unit (G)
on the rear side of the HmIP-ESI
(see „8.3 Error
illustration).
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