Graf SILENTIO, User Information, Page: 7 / 28

1.13 Cleaning
Do not use any volatile solvents such as alcohol, diluents, gasoline etc.
to clean the device. Only use a dry, clean cloth.
1.14 Unusual Smell
If any unusual smoke or smell occurs, immediately switch off of the
device and remove it from the main power supply! Contact your dealer
or the manufacturer.
1.15 Fuses
The replacement of the fuses in the device is only permitted by
trained and authorized technical staff.
The change of the fuses is only allowed when the device is switched off
and is removed from the main power supply. Otherwise there is a risk of
electric shocks. The security functions and safety values are mentioned
in the manual. The guarantee for this equipment will expire in case of
using other fuses than those specified in the manual.
1.16 Repairing
The user is not allowed to perform the maintenance work by himself, except for
those specified in the manual. All maintenance and repair work must be done by
trained and authorized technical personnel.
1.17 Important notes on safety
Special Safety Instruction
Please, read and follow safety instructions carefully before assembly or using
the device!
During installation and when working with 230 V ~ mains supply the VDE
regulations must be followed. Equipment using a 230 V ~ supply may only be
installed and commissioned by a qualified tradesman. The assembly place must
allow all possible safety precautions when laying the attached cables.
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