System Description
KUHNKE Automation
16
3.3 Internal battery
The internal baseboard is equipped with a Lithium battery (CMOS bat-
tery, type CR2032), which has a typical lifetime longer than 10 years.
Danger of explosion when replaced with wrong type of battery.
Replace the battery only with a Lithium battery that has the same or
equivalent type recommended by KUHNKE Automation.
Do not dispose of used CMOS batteries in domestic waste.
Dispose of the battery according to the local regulations dealing with
the disposal of these special materials (e. g. to the collecting points
for disposal of batteries).
3.3.1 Replacement of the internal battery
•
The internal battery is placed as per figure below.
•
For replacement, the SD-card and the back cover have to be
removed.
•
The device shall be opened by authorized and skilled person-
nel only.
Danger of electric hazard! First before opening, please make sure
that the unit is completely disconnected from any power supply, di-
rect or indirect. In order to remove the back cover all other connec-
tors must be removed as well. Please make sure that the SD-card
has been removed as it blocks the cover. Furthermore take care
about the socket and connectors. Especially the micro-USB connec-
tor might be damaged easily.
Position of the battery
2 screws for the back cover
