1. Housing surfaces must be cleaned with a clean, damp cloth. In doing so, ensure that no
moisture can penetrate into the device.
2. Air inlets and outlets must be regularly cleaned to remove dust and soiling. If compressed air
is used, care must be taken to ensure that damage to the device is prevented (e.g. fans must
be blocked in this case, as they could otherwise over-rev).
3. Lines and plug contacts must be cleaned regularly to remove dust and soiling.
4. In general, no cleaning agents or abrasive agents may be used for maintenance, otherwise
the surface finish may be impaired.
5. Devices must generally be stored in a dry place and protected from dust and dirt.
6. To ensure correct and safe operation, all accessible or removable lenses and light-emitting
apertures must be cleaned regularly.
MAINTENANCE AND REPAIR (by qualified personnel only)
HAZARD!There are live components in the device. Even after disconnecting the ma-
ins connection, there may still be residual voltage in the device, e.g. due to charged
capacitors.
PLEASE NOTE!There are no user-serviceable components in the device.
PLEASE NOTE!Maintenance and repair work may only be carried out by sufficiently
qualified specialist personnel. If in doubt, consult a specialist workshop.
PLEASE NOTE!Improperly performed maintenance work may affect warranty
claims.
PLEASE NOTE!For conversion or retrofit sets provided by the manufacturer, it is
essential to observe the installation instructions included.
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