System manual CECX / CPU module
14.11.1.2 Replacing the battery
The battery that is located underneath the cover on the right side of the de-
vice may only be replaced with a battery of the same type.
Information
The buffered retain data are lost during a battery change. They must there-
fore be saved first if they are to be available during the next start-up.
Do not use force!
Otherwise the contact springs might be twisted and result in short-circuited
battery.
It is recommended to exchange the battery every 3 years.
An indication for the end of the battery’s life cycle is the case where the
control is switched off and on again and the time indicated on the control no
longer corresponds with the actual time. If this is the case replace the bat-
tery immediately.
Remove the lower cover on the right side of the casing.
Remove old batteries with anti-static plastic pincers (insert pincers at
position indicated by the arrow).
1
2
Insert battery
Insert new battery in position 1 as shown above and let it engage at po-
sition 2.
CECX-II 14-22
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