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Maintenance and Cleaning
Cleaning the Device
Cleaning of the device is recommended if there is extreme dust or dirt
build-up. The thermal conductivity properties for cooling the device
must not be impaired.
It is best to use window cleaner and a soft cloth for
cleaning.
NOTE
Replacing the Internal Power Pack
The internal power pack's performance decreases over time. If its
capacity is no longer sufficient for trouble-free operation, the power
pack must be replaced. A new battery pack can be purchased as
spare part.
green. The power pack (1) can now be removed and replaced with a
new one. The sealing grommet and the sealing cap must then be
properly reinstalled.
86
To remove the internal battery,
first switch off the device. The
yellow cover (3) can then be
1
2
unscrewed
3
with a coin. Now remove the
sealing grommet (2) shown in
counter-clockwise
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