75
EN
Care, maintenance and disposal
Safety
WARNING!
Work that is carried out incorrectly may result in serious injury or damage to prop
-
erty.
► The activities described below must only be carried out by trained and qualified per
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sonnel.
► Observe the safety rules in the power source Operating Instructions.
WARNING!
An electric shock can be fatal.
Before opening the unit
► Turn the mains switch to the "O" position
► Unplug the device from the mains
► Put up an easy-to-understand warning sign to stop anybody inadvertently switching it
back on again
► Using a suitable measuring device, check to make sure that electrically charged com
-
ponents (e.g. capacitors) have discharged
WARNING!
An inadequate ground conductor connection can cause serious injury or damage.
The housing screws provide a suitable ground conductor connection for earthing the hous
-
ing.
► The housing screws must NOT be replaced by any other screws that do not provide a
reliable ground conductor connection.
General
Under normal operating conditions, the device requires only a minimum of care and main
-
tenance. However, it is vital to observe some important points to ensure the device remains
in a usable condition for many years.
At every start-up
-
Check the mains plug, mains cable and ground (earth) connection for damage
-
Check that there is a gap of 0.5 m (1 ft. 7.69 in.) all around the machine to ensure that
cooling air can flow and escape unhindered
NOTE!
Air inlets and outlets must never be covered, not even partially.
Every 2 months
-
Clean the air filter (if fitted)
