1Controlcabinet
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Hardware R2.2.8 1 1.98.02 en
1Controlcabinet
1.1 General maintenance
With the exception of battery replacement, the controller (processor unit) is maintenance--
free.
Preventive maintenance is recommended wherever dirt, corrosion and wear occur.
Before maintenance or repair work is started, it must be ensured that the
incoming power cable is deenergized and that measures have been taken to
prevent it from being inadvertently energized again.
It must also be ensured that no current--carrying cables or components can be
touched. In addition, the main swi tch must be turned to “OFF” and locked.
All supply conductors up to the main switch are still live even when the main
switch is turned off.
Particularly important: maintenance and repair work may be performed only by
trained personnel aware of the hazards involved.
1.1.1 Cleaning
Do not use compressed air to clean the system, as this could cause dirt to
penetrate into electrical components. Compressed air may be used only when
expressly specified.
G Remove any dust deposits with a dry brush.
G Clean control cabinet with a cloth soaked with a mild cleaning agent.
G Clean cables, plastic parts and hoses with solvent--free cleaning agents.
The manufacturer ’s instructions must be observed when using cleaning agents.
It must be ensured that no cleaning fluid enters electrical components.
G Remove any corrosion and, where permissible, protect the affected areas with paint,
grease or oil.
G Replace damaged, illegible or missing inscriptions, labels and plates.
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