29
UK
14 Maintenance, repair and disposal
• Maintain the photoelectric protective equipment in accordance with the
applicable national regulations in effect within the required intervals� The tests
must be performed by qualified persons�
• It is recommended to regularly clean the front panes of the active and the
passive element�
• Clean the unit with a clean, damp cloth� In particularly dusty environments we
recommend to spray the cleaned front pane with an antistatic product�
• Do not use any aggressive or abrasion-developing cleaning agents since they
could attack the surfaces� To avoid electrostatic charging on the front do not
use any woollen cloths�
Scratches on the front panes of the photoelectric safety sensors can deviate
the light beams and impair the protective function�
• Only the manufacturer is allowed to repair the unit�
• After use dispose of the unit in an environmentally friendly way in accordance
with the applicable national regulations�