DDF4010HDV
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15 Maintenance
The housing of the unit may only be opened by qualified personnel for commissioning,
inspection, maintenance and repair.
Cleaning
If it’s necessary to clean the device, observe the following notes:
Notice
Damage to the surface of the device
Clean the housing (outside) with a soft, dry and antistatic cloth.
Do not use detergents.
Clean the plastic bubble with water and some dishwashing agent using
a soft, non-linting cloth or sponge. Do not wipe the bubble dry.