Battery charging curves
Malfunctions
In the event of a malfunction, a faulty device or a suspected defect following
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a fall, have the device checked by Service and repaired, if necessary.
CAUTION! Only Service is permitted to perform repairs on the device.
Incorrectly performed repairs can pose a hazard to the user.
If repairs are performed incorrectly, liability for any damage can no longer be
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accepted. In this case, all warranty claims will also be forfeited.
Care and cleaning
Always pull out the mains plug before cleaning the device.
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WARNING! Never immerse the device in water or other liquids, or wash it
under running water. Risk of short circuit and electric shock!
Clean the housing and cable with a soft, slightly damp cloth.
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Never touch the connection sockets and battery clamps and never clean with
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a damp cloth.
WARNING! Avoid wetting the buttons and other electrical parts.
CAUTION! Do not use sharp, abrasive objects or corrosive chemicals.