Liemke CHARGER-K Mode D'emploi page 26

08. CLEANING
NOTICE! Material damage due to a short circuit!
> Before cleaning it, disconnect the charger from
the power supply or power source.
> Perform cleaning at least twice a year:
> Using a cotton cloth, wipe the external surfaces of metal
and plastic parts free of dust and dirt.
09. TROUBLESHOOTING
This overview lists the most common problems that can
occur during use of the device.
> Carry out all recommended checks as described in the
overview.
> If an error occurs that is not listed or if you cannot rectify
an error yourself, please contact Liemke Service. Con-
tact details: see back page.